IIRC the list price for the 3100/3400 gasket set is $130 or so from NAPA. I would imagine the 3800 set to be similarly expensive. Order it from NAPA and make sure to request the aluminum-backed one. They probably keep them in stock so it wouldn't be an issue for them to open the package to verify. It's not a Dex-Cool problem, BTW.lower intake manifold removal. Hi everyone. I currently am working on a 1996 Camaro 3800 with a cooling issue. I took the UIM off and have taken all the bolts of the LIM out but I cannot get it to break loose. I have tapped it with a rubber mallet and used a prybar under the thermostat area.Passenger Car Motor Oil (PCMO) - Gasoline Vehicles ...CostHelper estimates that a gasket head replacement can take between five and eight hours, although the time varies based on the type of car. In addition, the cylinder head might n...Hi All, I am a newbie to this forum , and have had mt 2000 gtp for 2 years now. This fall I noticed coolant pooling over top of my front bank of injectors (coolant only no oil in the mix) . I shop vacced it out ran the car and noticed it pooled up again. This time I could see a path leading...Lower Intake Manifold (LIM) gaskets The lower intake manifold gaskets in 3800 engines deteriorate over time creating internal coolant leaks that can cause the same type of damage as a ruptured upper intake. While UIM failures are limited to the normally aspirated (non-supercharged) L-36 engines built from 95 â€" 05, the plastic-frame LIM ...Gaskets & Adhesives. Gauges & Gauge Pods. Ignition. Intercooling. Pulleys & Belts. Stage Kits Supercharger Parts & Kits. Suspension. Transmission & Drivetrain ... ZZP 3800 M90 Blower Dress Up Kit. $59.99 $59.99. Quick shop. Rebuilt M90 Snout. from $200.00 from $200.00. Quick shop. M90 Block Off Plate. $49.99 $49.99. Quick shop.11-15-2010. In talking to Dave and Andrew G aka AGrazela (look for a how to rebuild a trans post by him, I'm sure he posted it here too). You'll find the main tools you want to have are an Input/3rd clutch resizer sleeve and a clutch compressor tool. I took the clutch tool pictured below and added the extra threaded rod on the bottom to get ...It runs really good except at idle, it doesn’t idle smooth and runs at around 800-900 rpm. I pull the codes and get p0171 – Bank 1 too lean. The fuel trim is staying around 15-20% and doesn’t fluctuate with higher RPMs. The upstream o2 sensor is reading around .05 and not really fluctuating, so I immediately suspect a vacuum leak.I know there are some other threads on this topic, I did not want to hijack them though. I've had issues with my car not wanting to start on occasion when it was warm, or if I used the AC while it was idling. After about 2-3 years without being able to find out what the problem was, I'm pretty...Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. CryptoPhenolic Intercooler Gen 3 Gen 5 L67 L32 Eaton M90 SuperCharger 3800 3.8 Liter. Machining 1 video by sseilmnop - Photobucket Machining 2 video by sseilmnop - Photobucket ... hoses, machined LIM, gaskets. 2009 Pontiac G8 GT - Solo Performance Cats & Mach Shorty Catback with J-pipes, AFE Power CAI, Dyno tune... 334rwhp 340rwtq The car that was ...Dark Mode; Light Mode; menu Log inJoined: Fri May 23, 2008 7:08 am Posts: 152 Location: London, Ontario, Canada Year and Trim: 1993 SSEi with full trim packageThe LIM Gasket failure on the 3800 II should be common knowledge to most mechanics, unless they are just shade tree mechanics, that is in my opinion. Have the lower intake manifold gasket changed to FEL-PRO Part # MS98014T, and have the EGR stove pipe swapped to the reduced diameter one that comes in that kit.Disconnect fuel lines from fuel rail. Remove coolant recovery bottle, inner fender electrical cover, and fuel injector cover. Disconnect throttle cables. 2) Remove heat shield from exhaust crossover pipe. Remove throttle cable bracket and vacuum line as an assembly. Remove exhaust crossover pipe.See other posts on this page for dealing with LIM gasket failures. [Photo 3] Servicing. GM does not have a replacement schedule for the PCV valve. A good practice would be to: ... Took my first 3800 intake off bought new upper intake which came with Pcv valve never found the old one started thinking maybe different models don’t have one lol ...hi, about to replace in LIM gasket and have a question that i can't find the answer, anywhere! felpro sells 2 different LIM gaskets for the 3.8's. the #s are ms95809 (1st design til 97) and ms95809-1 (2nd design 98+). the rubber end seals are slightly different, the gasket is the exact same...These are the best I have used for these engines. Felpro copied this design, these are the last design GM came out with in 2008 for the 3800 and have proven most …Are you the proud owner of an old pressure cooker that has seen better days? Maybe it’s missing a handle or a gasket, or perhaps you’re in need of a new pressure release valve. Wha...The early 3800 motors did have issues with the lower intake manifolds,but odds are if the car's lasted this long the repair was likely performed already.Even if it isn't,changing the LIM gasket isn't a Mortal Kombat death job; time consuming but doable within a weekend .Michigan, Thumb's Up! Nov 30, 2010. #1. I'm getting ready for an UIM & LIM gasket replacement on my 1999 3800 SII. I am going to be acquiring the GM aluminum framed gasket pair @ $65 (dealer), but find myself wondering about all of the others that are shown in the PermaDryPlus kit at iNeedParts.com. The sellers aren't inclined to sell those ...Feb 16, 2010 · 24 posts · Joined 2009. #1 · Feb 16, 2010. I have a 98 Old w/3800. I replaced the upper plenum at 39k miles due to the upper plenum leaking coolant into the LIM. Now at 139,00k it's leaking coolant again. I pulled the lower plenum and am changing the gaskets, cleaned the LIM. the mating faces on the LIM and head aren't pitted or corroded. Replacing UIM, UIM Gasket, and LIM Gasket. Jump to Latest Follow 241 - 255 of 255 Posts. 1 13 of 13 Go to page ...Tulum offers plenty of options for traveling the last 7 miles to the lagoon, from bike and scooter rentals to taxi rides. Cancun to Laguna Kaan Luum Distance: 87 miles …Are there any issues with Series II Supercharged 3800 that are unique to it? Does the L67 still have the LIM gasket issues like the NA engine does? Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. dezldave961.How hard are head gaskets on an L67? Jump to Latest Follow 5K views 5 replies 3 participants last post by mygm Sep 19, 2008. M. matthimself456 Discussion starter 7 posts ...Need tech advice w/ 3800 II U&LIM gaskets. Discussion in 'The Bench' started by Poppaluv, Oct 27, 2009. Poppaluv I CALL WINNERS!!! Arggg. This has to be one of the few things wrong with these engines!!! ... Anyways, this is the only "real" way to check for a blown head gasket. Or you could buy a BIG can of Bars Leaks... ray: Good luck. Robert ...Apr 9, 2010 · ZZP HV3 ZZP ER ratio rockers Comp Cams reusable rocker arm bolts ARP head studs ported LIM GM aluminum LIM gaskets GM LS6 90# valve springs ZZP custom 3/8" oil restricted pushrods in·sane /ɪnˈseɪn/ Show Spelled [in-seyn] Show IPA. -adjective. 1. not sane; not of sound mind; mentally deranged. 2. of, pertaining to, or characteristic of a person who is mentally deranged: insane actions; an insane asylum. 3. utterly senseless: an insane plan. 4. Swapping a 3.8V6 Supercharged into an 05 Base Impala.Buick lesabre with a 3.8 liter came in with an antifreeze Leek, customer stated the water pump had failed. after a quick description over the phone i had a ...Many GM V6 engines of 1995-1999 had defective Upper Intake Manifold (UIM) gaskets (this is especially true for 3800 V6 engines). The antifreeze/coolant (especially orange DEX-Cool) will deteriorate the gasket material over time. ... you may have a blown head gasket or Lower Intake Manifold (LIM) gasket. Start with the UIM gasket.I know there are some other threads on this topic, I did not want to hijack them though. I've had issues with my car not wanting to start on occasion when it was warm, or if I used the AC while it was idling. After about 2-3 years without being able to find out what the problem was, I'm pretty...2) Find yourself a 50 ohm, 180 ohm, and a 1450 ohm resistor. Connect these resistors one at a time between terminals A and B and look at the dash guage. The 50 ohm should give you the max, 180 ohm should give you 100°C, and 1450 ohms should give you 40°C. -Larry.The frame of the old LIM gaskets is nylon 6,6 (plastic) you want the newer designed Fel-PRO Aluminum framed gasket. ... Also, if you have the naturally aspirated 3800 II, then the EGR port in the Upper Intake can warp, and let coolant leak, there is a reduced diameter EGR Stove Pipe that you need to out in the lower intake manifold, as …Nov 28, 2011 · When you take out the bolts, clean the threads with a thread chaser (could be a nut with the same thread but with a slot cut through the side). Then use a little thread locker. I did this for the first time on my wife's 3800 and it's still fine. Not even a coolant elbow leak, but I could be lucky on that one. I guess since LIM gaskets could be due already (some coolant smell). Thanks . ... A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. Come join the discussion about performance, modifications, classifieds, troubleshooting, builds, tunes, superchargers, maintenance, and more!The average cost for an Intake Manifold Gasket Replacement is between $555 and $615. Labor costs are estimated between $216 and $272 while parts are priced between $340 and $343. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed. For a more accurate estimate based on your ...I am interested in purchasing a 1998 Pontiac Grand Prix GT 3800 with only 84K miles on it. Everything inside and out is pretty much mint. However, there is a definite oil smell when running and when looking under the hood, there is oil (I think it is oil) visible along the entire length of the front/top of the engine.May 29, 2021 · These are the best I have used for these engines. Felpro copied this design, these are the last design GM came out with in 2008 for the 3800 and have proven most reliable. Amazon.com: ACDelco GM Original Equipment 89017825 Intake Manifold Gasket Kit with Gaskets and Seals : Automotive. The upper intake manifold is a very common failure point on the venerable GM 3800 Series II engine. Often when it begins to fail, the car will show the symptoms of a head gasket failure, however actual head gaskets failing on this engine is VERY rare. One of the first signs of the intake manifold failure is coolant loss, these intakes can leak internally …$80 for a Dorman UIM kit with gasket set - legit? Jump to Latest Follow ...The ground path is provided by the low control circuit of the EGR valve. The PCM calculates the amount of EGR needed based on the following inputs: • The engine coolant temperature (ECT) sensor. • The intake air temperature (IAT) sensor. • The barometric pressure (BARO) • The manifold absolute pressure (MAP) sensor.Ok, so I'm having a mini meet to help change my LIM Gaskets, and my valve covers are leaking, so that needs to be done ... Login Register: FAQ Search: It is currently Sat Dec 02, 2023 12:59 pm: View unanswered posts ...I replaced the LIM gaskets on my Buick at 66k miles. Even at that low mileage, they were estimated by folks very knowledgeable about 3800 V6's to be a month away from failure. If the 3500 and 3900 are related to the 3100/3400 V6's, I'm not surprised. The 3400, while a basically all right engine, had a lot of gasket issues.I see there is a fel pro gasket kit that is compatible with both the 1st and 2nd design. Comes with a few more parts like o ring etc. part # MS 98014 T on fel pro website. It looks silver in color. The fel pro gasket kits made specifically for the 1st or 2nd design look black. MS 95809 or MS...Nov 12, 2011 · Replacing UIM, UIM Gasket, and LIM Gasket. Jump to Latest Follow 241 - 255 of 255 Posts. 1 13 of 13 Go to page ... Replacing UIM, UIM Gasket, and LIM Gasket. Jump to Latest Follow 241 - 255 of 255 Posts. 1 13 of 13 Go to page ...In this video we have a full walk through of replacing the lower intake manifold gaskets. We also replace every gasket and o-ring from the LIM up and clean t...Joined: Sun Aug 22, 2010 11:11 pm Posts: 1813 Location: Ontario, Canada Year and Trim: 2000 Bonniville SSEi L67Seems straight forward enough, oe LIM gaskets are a well known weak point on the 3800. However, crawling back under, i noticed the power steering pump was covered in oil as well, behind the pulley. As was the sensor/sending unit right by the oil filter extension.LIM Gaskets. 1113 Views 5 Replies 5 Participants Last post by SleeperGT, Dec 18, 2010 Jump to Latest B. blh72 Discussion starter ...Steam from the exhaust could indicate LIM gasket failure and subsequent CAT issues or failure, a common problem. Cheapest thing to start with is to check for coolant loss into the oil / oil in the coolant. ... Fix it, and that 3800 engine will last another 200-400K miles all things being equal. Huge amount of info here if you have the time: GM ...However, there does seem to be a relationship between 2EHA and the nylon-66 in the LIM gaskets. -Larry ... A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. Come join the discussion about performance, modifications, classifieds, troubleshooting, builds, tunes, superchargers ...2) Find yourself a 50 ohm, 180 ohm, and a 1450 ohm resistor. Connect these resistors one at a time between terminals A and B and look at the dash guage. The 50 ohm should give you the max, 180 ohm should give you 100°C, and 1450 ohms should give you 40°C. -Larry.Buy ACDelco GM Original Equipment 89017825 Intake Manifold Gasket Kit with Gaskets and Seals: ... 5.0 out of 5 stars Better then felpro lim set. Reviewed in the United States on October 5, 2022. ... I would not replace the gaskets on any GM Series 2 or Series 3 3800 motor without using these specific ones. Read more. 2 people found this helpful ...Makes sure you install the 2 O-ring seals [at the back] on the LIM, between the LIM and Supercharger. Re-fitted the Supercharger and Gasket, and also torqued the bolts accordingly [and in sequence] Replace the O-Ring on the Tensioner Fitting, [I also applied Gasket Cement on and around the Seal] Re-installed the Tensioner BracketI had it in the shop for a radiator and water pump replacment back in January so I had them replace the LIM gaskets as well. It ran like a champ after that, but I wish I had waited because it blew the head gasket 8 months/12k miles later. ... but I wish I had waited because it blew the head gasket 8 months/12k miles later. The estimate to ...Have an 03 Impala LS 3800 @ 117K miles. In process of a L36-L26 upper swap and new gaskets for LIM/UIM. Have more planned on this. Just noticed a slow total coolant leak of 1/2 -3/4 gal over last few months, so go this going. I cleaned up the LIM today and saw pitting around the coolant ports...Apr 9, 2010 · ZZP HV3 ZZP ER ratio rockers Comp Cams reusable rocker arm bolts ARP head studs ported LIM GM aluminum LIM gaskets GM LS6 90# valve springs ZZP custom 3/8" oil restricted pushrods It is currently Fri Feb 09, 2024 5:00 pm: View unanswered posts | View active topics. Portal » Board index » Mechanical and Maintenance (no chat or performance) » » Board index » Mechanical and Maintenance (no chat or performance) »Have a 2000 firebird 3.8L.. having some trouble finding this info. For the aluminum LIM gaskets I believe it is either 89017816 or 89017825. I checked a 2000 Bonneville and it lists 89017816 as the non-supercharged and 89017825 for the supercharged motor. Neither one is listed under fbody for...Replacing UIM, UIM Gasket, and LIM Gasket. Jump to Latest Follow ...I want to totally eliminate any oil leaking issues for the rest of this car's life, hopefully. again it's a gm 3800 series ii V6 engine, and it has about 190k miles currently. ... LIM gasket oil pressure switch front and rear crank seals oil pan gasket TY Archived post. New comments cannot be posted and votes cannot be cast.l67 lim gaskets supercharged. Jump to Latest Follow 21 - 25 of 25 Posts. 1 2. N. nhengineer · Registered. Joined ...GM 3800 LIM Gasket Page. 242 likes. CommunityOriginally Posted By: artificialist Originally Posted By: sciphi Originally Posted By: PhillyJoe Since you plan on taking the top half off, remember that the head gaskets have the same miles as LIM gaskets. Also check the water pump. The 3800's almost never need head gaskets. Almost nobody on the 3800 forums replaces head gaskets when doing LIM gaskets.Mar 20, 2008 · Intake manifold gaskets still fail, but not as common. The F-body 3800 has an aluminum intake manifold, (no composite upper) therefore disregard anything you hear about the dorman or ATP greyworks manifold, and stove pipes. symptoms are subtle at first, missing coolant with no apparent leaks, maybe some extra moisture and/or buildup under the ... Hello, I've been around here awhile but haven't been active due to my Firebird being out in the sidelines for the winter, and is in for a whole new suspension. I recently purchased a 2002 Monte Carlo SS from the original owner. I'm pretty blown away so far as to how much this car is really...head gasket. Jump to Latest Follow 1K views 4 replies 3 participants last post by dieyanks13 Jan 5, 2013. D. dieyanks13 ...The first most complete 3800 torque spec guide on the net. Camshaft Bolt: 74 ft/lbs + 90 degrees angle torque Camshaft thrust plate: 132 in/lbs (T30 torx) Front cover bolts: 15 ft/lbs + 40 degrees angle torque Oil pan bolts: 125 in/lbs ... Just be sure to put a glob of RTV at the corners of the LIM gaskets, and back-bottom corners of the front ... Aluminum Framed Gaskets Sealing Problem? 1277 Views 3 Replies 3 Participants Last post by WilliamE, Jul 1, 2011
Anatomy of a Lower Intake Manifold (LIM) gasket fail: causes and symptoms The most common failures of the 3800 engine are spark plugs, wires, MAF...Are the lim gaskets prone to leaking coolant on the 3100 like on the 3800 ? RON #2 Re: lim gaskets BillBoost37. View Profile View Forum Posts Private Message Turbo is the way to go. Join Date Jul 2009 Location W Spfld Posts 26,833 Thanks (Received) 53 Likes (Received) 90 Dislikes (Received) 1 ...The UIM(upper intake manifold) gasket is the one between the LIM and UIM. The 2.8/3.1 V6 engines are notorious for LIM gasket failure. In a nut shell most GM V-engines have LIM gasket issues. GM just went a little cheap on the gasket design. The UIM gasket is not the issue so much on the 3800 seriesII as it is the UIM plenum itself that fails.Replacing UIM, UIM Gasket, and LIM Gasket. Jump to Latest Follow ...Jun 3, 2011 · 3) Add distilled water (buy bulk from a supermarket) through the thermostat housing until full. 4) suction out from lower rad hose. 5) repeat steps 3-4 until the washings come clear. 6) fill completely with distilled water, connect rad hose and thermostat housing. Jun 5, 2010. #1. Hi, 1) Subject = '95 Olds, 3800, Series II engine. 2) Last fall I changed the lower intake manifold gasket at 70,000 miles. 3) I noted two oil pool; one on the passangers side, back corner, and the other on the drivers side front corner. I changed the plenum gasket, but not the plenum.GM 3800 Service Tips, Techniques, and Advice Naturally Aspirated 3800 Series Transverse mount Changing the Lower Intake Manifold (LIM) gaskets and Upper Intake Manifold (UIM) This is a post, Fits: Make Body Trim Engine Transmission 2018 Chevrolet Silverado 1500 Custom, High Country, LS, LT, LTZ, SSV, WT V8 Electric/Gas, V8Have a 2000 firebird 3.8L.. having some trouble finding this info. For the aluminum LIM gaskets I believe it is either 89017816 or 89017825. I checked a 2000 Bonneville and it lists 89017816 as the non-supercharged and 89017825 for the supercharged motor. Neither one is listed under fbody for...3800 series II, how likely to need LIM gasket. Thread starter CBR.worm; Start date ...Intake manifold gaskets still fail, but not as common. The F-body 3800 has an aluminum intake manifold, (no composite upper) therefore disregard anything you hear about the dorman or ATP greyworks manifold, and stove pipes. symptoms are subtle at first, missing coolant with no apparent leaks, maybe some extra moisture and/or buildup under the ...M. msm500 Discussion starter. 119 posts · Joined 2006. #1 · Feb 21, 2007. Well looks like it is time to replace the intake gaskets on my series II 3800. The UIM is leaking coolant and I know the LIM gasket was leaking oil due to a clogged cat. So I figure it is time to replace both. What other goodies do you guys recomment besides the gasket ...The plenum gasket is a paper or rubber that creates a seal between the upper intake manifold and lower intake manifold. The plenum gasket is also known as the intake manifold gaske... In addition to the LIM gaskets you also get hit for about about $30 for the set of two ZZP Gorlock gaskets. " THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Powerlog manifold, Northstar TB, LS1 MAF, 3" Flotech Afterburner Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w ... Head gaskets are essential components of an engine, and when they fail, it can be a costly repair. Knowing the cost of head gasket repairs can help you budget for the repair and ma...3800 Series III Lower Intake Manifold Gasket DIY - YouTube. Cole Does Things. 67 subscribers. Subscribed. 269. 24K views 3 years ago. DIY video on how to …I've been checking the oil every other day as I have been losing about half a quart every 300-400 miles or so. Wednesday afternoon I ...Replacing the 3100 with a 3800 requires replacing the 4T60-E transmission with a 4T65-E. While the L67 (supercharged) and the L36 (non-supercharged) will physically bolt up to the 4T60-E, the PCM will not be able to control it. ... Once the LIM gaskets are changed to the Fel-Pro pieces, there is no problem with this engine. Period. T ...Mitchell shows 3.3 hours to replace the Lower Intake Manifold gasket. Labor rates are about $120/hr over here, so I would expect to spend about $400 on labor. The Fel-Pro "2nd design" Lower Intake Manifold Gasket lists for $53 on Rockauto.Hello, I've been around here awhile but haven't been active due to my Firebird being out in the sidelines for the winter, and is in for a whole new suspension. I recently purchased a 2002 Monte Carlo SS from the original owner. I'm pretty blown away so far as to how much this car is really...Quick Note: Signs you have a bad LIM gasket In order of likely first appearance… EARLY SIGNS (high chances of saving the engine) 1. Failed coolant pressure system test (but could be other...31,307. Location. MA, Mittelfranken.de. Oct 19, 2020. #4. Do the LIM gaskets with the latest design and change the upper plenum and EGR chimney (part of the plenum kit) to repair this. Do not use sealers. Change the plastic elbows out for aluminum ones but use OE o rings on them.11-15-2010. In talking to Dave and Andrew G aka AGrazela (look for a how to rebuild a trans post by him, I'm sure he posted it here too). You'll find the main tools you want to have are an Input/3rd clutch resizer sleeve and a clutch compressor tool. I took the clutch tool pictured below and added the extra threaded rod on the bottom to get ...Intake manifold gaskets still fail, but not as common. The F-body 3800 has an aluminum intake manifold, (no composite upper) therefore disregard anything you …108 posts · Joined 2015. #1 · Jan 22, 2015. Hi, I bought my first car...a 2000 Impala LS for $800 last week. Body is very good (minor damage, working on this week). However, the engine is not so good. Head gaskets leak and the upper intake manifold had exploded. I've done small car repairs (radios, speakers, window regulators, EGR valve, etc ...DIY video on how to replace the lower intake manifold gasket on a 2005 Pontiac Grand Prix. This video applies to all GM 3800 series III models.This video shows the steps I did to replace the upper intake manifold (air plenum) on my 2001 Monte Carlo SS 3.8L 3800 Series II engine. The replacement was...(high sodium-slight potassium elevation) This evening, I tore down the upper I/M and retorqued the LIM. Bolts 1-2-3-4 all were under torqued. I had checked to see that all bolts were at 11 ft lbs and discovered those were loose. They were then torqed to 11ft lbs. '99 LSS 3800 Series II L36 Is this acceptable or is the LIM gaskets toast now?Hello everyone, I am in the process of gathering the parts to replace my plenum with a Dorman and also replace the LIM gaskets which I know are leaking anti-freeze into my oil. My question, however, concerns the replacement of the valve cover gaskets which I figured I might as well replace while...Change the upper intake manifold, not just its gasket. The LIM gaskets that are most often recommended are the ACDelco metal gaskets. 89017816 is an ACDelco part number for yours but IDK if these are the plastic or the metal ones. Not sure which UIM is best. I used a Dorman UIM and FelPro gaskets on my car and was pleased.Get the best deals on Intake Manifolds for 3800 when you shop the largest online selection at eBay.com. Free shipping on many ... (12) 12 product ratings - Upper Intake Manifold w/ Gasket for 95-05 Chevy Buick Olds 3800 3.8L V6. $73.42. Estimated delivery date Est. delivery Sat, Apr 27. Was: $109.95. Top Rated Plus. Sellers with highest buyer ...ZEN357. 236 posts · Joined 2018. #7 · Jun 4, 2019 (Edited) Yes, the lower intake will need replaced. I bought the aluminum elbows seperately at Advance Auto Parts. I bought my upper and lower off eBay, it included the Dorman gaskets and the EGR tube. The EGR valve I bought seperately as well.Quick Note: Signs you have a bad LIM gasket In order of likely first appearance… EARLY SIGNS (high chances of saving the engine) 1. Failed coolant pressure system test (but could be other...Nov 28, 2011 · When you take out the bolts, clean the threads with a thread chaser (could be a nut with the same thread but with a slot cut through the side). Then use a little thread locker. I did this for the first time on my wife's 3800 and it's still fine. Not even a coolant elbow leak, but I could be lucky on that one. I’ve never heard of a 3800 LIM gasket leaking air. Creator. Topic Viewing 7 replies - 1 through 7 (of 7 total) Author. Replies. November 18, 2015 at 2:18 am #844776. college man. Moderator. ... I’m with you that you usually don’t associate the LIM gaskets with vacuum leaks. You do associate the bad LIM’s with coolant leaks though.my gasket stuff , for s/c came w a small tube of black permatex. no gaskets, rtv only. go around whole nose piece tightening little by little.remember, its not lugnuts your tightening. also, do not apply any degreaser/solvent to the rotors. they are coated and removing this coating is said to be bad.(loose sealing capability)(less efficient).Tighten the cylinder head bolts to 50 N·m (37 lb ft) in sequence. Use the J 36660-A to rotate each cylinder head bolt 120 degrees in sequence. Use the J 36660-A to rotate the four center cylinder head bolts an additional 30 degrees in sequence. Refer to. Notice: Use the correct fastener in the correct location.It runs really good except at idle, it doesn’t idle smooth and runs at around 800-900 rpm. I pull the codes and get p0171 – Bank 1 too lean. The fuel trim is staying around 15-20% and doesn’t fluctuate with higher RPMs. The upstream o2 sensor is reading around .05 and not really fluctuating, so I immediately suspect a vacuum leak. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Crypto As bad as my LIM gasket was I'm sure fluid could have gotten sucked into the intake chambers though, because the gasket pretty much fell apart in my hands when I removed it. ... A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. Come join the discussion about performance ...The only real downfall to the 3100/3400 motor was GM's retarded idea of using nylon/silicone for the intake gaskets, which were inevitably prone to failure. When the LIM gasket goes, depending on how bad the sepage is into the block, it can either lock up the motor, or the coolant destroys the bearings, leading to a spun bearing.PART 4 of the PLENUM UPGRADE series. Part of the IZZY's GARAGE, "Save your Sanity (maybe even your marriage)" Official Series.Follow this step-by-step ...NEW PARTS NEEDED: * Supercharger and Lower Intake manifold kits. I like the Felpro PermaDry LIM gaskets. Check the fit for your vehicle. Note that LIM gaskets …Are there any issues with Series II Supercharged 3800 that are unique to it? Does the L67 still have the LIM gasket issues like the NA engine does? Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. dezldave961.LIM intake air temp sensor. Preface: A while back I found myself talking to guy with a newer Chevy SS pickup. During the discussion it comes up that when these guys toss a whipple on they add an air temp sensor from a early 90's 5.7 TBI motor. The sensor is the same as the coolant sensor the for same TBI motor and ~$12 at the local parts stores ...Flanges and fittings make maintenance of pipeline systems easier by connecting pieces of pipe with various types of valves and equipment, according to Hard Hat Engineer. Three part... GM 3800 Service Tips, Techniques, and Advice. ·. October 29, 2015 ·. Naturally Aspirated 3800 Series 2