Question about 1994 Buick Roadmaster
Posted by Anonymous on
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Posted on Jan 02, 2017
THIS IS VERY COMMEN IN FACT JUST ABOUT EVERY SINGLE 3.1AND 3.4 AND 3.8 EVER MADE BY CHEVY LEAKS AT THE LOWER INTAKE ALL OF THEM AND USEALLY STARTS AT ABOUT 50000 MILES THE PARTS COST ABOUT 300.00 AT THE DEALER FOR NEW GASKETS AND COOLENT AND SEALENT ALL THE PARTS YOU WILL NEED THE PROBLEM IS ITS ABOUT A SIX HOUR JOB SO THE LABOR KILLS YA BUT IT IS ALOT OF WORK BUT THE GOOD PART IS THERE IS NO NEED TO REMOVE THE PUSH RODS ON A 3.8 LIKE YOU DO ON A 3.4 I CAN GIVE YOU THE STEPS IF YOU LIKE BUT THIS JOB IS BEST TO SEND TO A MECHANIC AS IT HAS A LOT OF LITTLE THINGS THAT MUST BE DONE OR YOU CAN MAKE A BIGGER MESS THEN YOU GOT ALREADY... HOPE THIS WAS HELP FULL LET ME NO IF YOU NEED MORE INFO
Posted on Mar 27, 2009
go to autozone.com and register free then select make year ect.
select repair info (you have to register 4 this)
step by step and photos!!!!
Posted on May 31, 2009
It's a simple TBI 350 Chevy engine. Google free repair manuals for Chevy and GMC trucks from 1987-1995. Because they're easier to find than Caprice and Roadmaster manuals.
Posted on Jul 21, 2009
SOURCE: intake manifold gasket / replace
NOTE The 3.8L (VIN K) non-supercharged engine uses a two-piece intake manifold consisting of an upper air plenum which mounts the throttle body and a lower intake manifold assembly which houses the fuel injectors. The 3.8L (VIN 1) supercharged engine uses a similar lower intake manifold. The supercharger serves as the upper manifold.
NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold. Remove the upper intake manifold to service the lower intake.
The 3.8L (VIN 1) supercharged engine uses a manifold similar to the 3.8L (VIN K), but the supercharger serves as the upper manifold.
Fig. Lower intake manifold bolt torque sequence-3.8L (VIN K) engine
Upper Intake Manifold (Plenum)
NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold.
Fig. Upper intake manifold and bolt torque sequence-3.8L (VIN K) engine
Posted on Sep 16, 2009
did you put the long pushrods in the correct rocker arms?
Posted on Feb 09, 2011
Testimonial: "Thanks, good suggestion. Unfortunately not my problem."
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For leaking head gasket it has to be replaced.For head gasket leaking and other troubleshooting,there are help links provided.Its suggested to click the link below and go through the troubleshooting procedure to confirm the issue :-----
Leaking head gaskets?
-----------Water in engine oil? http://schematicsdiagram.blogspot.com/2011/12/water-in-engine-oil.html
-----------How to replace head gasket on car?
How to know what is faulty Cylinder head or Head gasket?
Can I just replace Head Gasket on 1991 Buick Century?
Location of Head Gasket ?
HOW TO REPLACE A HEAD GASKET
How to replace Exhaust Manifold?
How to replace Intake Manifold?
How to replace Cylinder Head ?
Is it Easy to replace head gasket?
Should I only replace head gaskets or complete head gasket assembly?
---------This will help.Thanks.
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