![]() Clean the lower intake manifold sealing surface using GM P/N 12346139 (Canadian P/N 10953463) or … This is a perfect gasket kit when you are rebuilding a series II or III 3800 engine. Dorman 47065HP Heater Hose Elbow Aluminum Compatible with Select Models (OE FIX), Upper & Lower. ![]() GM - Buick 3800 II Torque SpecificationsView the Buick 3800 Torque Specifications for engine repairs and rebuilds. 44112 Views 15 Replies 4 Participants Last post by Big Buford, Jump to 89 inch pounds for the upper intake to lower manifold bolts/stud 132 inch pounds for the lower intake manifold to cylinder head bolts/nuts. so order a new upper intake manifold gasket, new valve cover gaskets, new fuel injector o-rings. Part 3-Removal Of The Fuel Injectors & Fuel Rail. Then install new upper intake manifold gasket and upper intake manifold. These are much higher quality than the original plastic gaskets that were prone to drying-out, cracking and leaking. 1 v-6 Lower intake manifold gasket is letting the oil into the The coolant and vise versa, the radiator cap also had a film of darker slimy muddy oil on it. I have a 2002 model that was eating coolant at 60k miles, intake gsk replaced and problem … read more. Fel-Pro® Engine Intake Manifold Gasket Set. If OP really wants more info I can DNA Motoring OEM-ITM-003 Intake Manifold 615-180[For 96-05 Chevy Impala 3. “Coolant elbows” under alternator- I can’t see a leak there but it’s hard to see in that area. (step 1 ) the torque specs for the heads are-1998 through 2001 are 37 foot lbs. A metal-cert sleeve is installed in the EGR port, along with a spacer pipe that allows for heat dissipation between the tube and the port. I also flushed out the remaining Dexcool. 2) Coat bolt threads with thread locking compound. Intake manifold gaskets still fail, but not as common. †Install the lower intake manifold seals (1). Edited by 3800_fix on Thursday 22nd of February 2018 01:41:17 PM- Edited by 3800_fix on Thursday 22nd of February 2018 01:41:45 PM Remove intake manifold bolts, manifold, gaskets and seals. I rented/free a torque wrench from Auto Zone. In this video I show the clean-up process involved when you replace the lower intake manifold gask The posts on this page explain the failure of the lower intake manifold (LIM) gaskets in the GM 3800 V6 engine, and show you how to identify it and repair it. The Best Automotive Repair/Business software for the Pros The only loose end is that the expansion tank hose is leaking - need to put a hose clamp on it and/or inspect it for a hole. Labor costs are estimated between $234 and $295 while parts are priced between $545 and $545. ![]() 8L Intake Manifold Replacement Instructions Part 2. They can also be installed as preventive maintenance to eliminate the need to replace th GM 3800 Series 2 Upper Intake Manifold and Lower Intake Manifold Gasket Replacement. 元6 3800 Series II Non-supercharged Engine Diagnosis of oil leaks on a GM 3800 V6- How to replace GM 3800 V6 intake manifold gaskets -Part 1-PA 1998 chevy astro 4. 2: Intake manifold bolt tightening sequence-1988-91 4. Also replaced the upper plenum with a new Dorman one. Some years have different sized "stove pipe" tubes on the lower intake manifold and you might have to swap lower intakes to mate with the L26 metal intake. It eliminates the need to replace the lower intake when doing a repair for a leaking upper plastic plenum. This increases the flow of the port while … DIY video on how to replace the lower intake manifold gasket on a 2005 Pontiac Grand Prix. 8L Lower Intake Manifold Removed- Explanation Of The Valve … I did a search on Dorman intake manifolds and found that Dorman OE Repalcements is offering the upgraded intake manifolds for the 3800 GM V6 95> and the Ford modular 4.
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