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Hello I have a 1996 chevy truck 5.7 with a automatic trans and I just replaced the intake manifold gaskets, it runs really good but now the transmission slips in third gear.. did I hook somthing up wrong? I dont understand why when It was working great before the intake gasket job. thank you

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There isn't anything related to the trans from the intake manifold other then the shift cable support bracket. Check to see if the adjustment of the cable was disturbed when the gasket was replaced, it may not be fully in drive.

Posted on Mar 17, 2011

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2000 chevy venture 3.4l overheating


Have you replaced the intake manifold gaskets? These engines have a history of leaking intake manifold gaskets. Water leaks into the intake and is burned off in the cylinders. If the engine overheats enough times, you will eventually blow the head gaskets.

Start by performing a compression check to make sure you haven't blown the head gaskets. Then make sure the car is really overheating (i.e. check the temperature of the engine with a infrared thermometer (they are cheap at Harbor Freight).

If it is really overheating, and you've really changed everything else, you need to change the intake manifold gaskets. Be sure to get the improved gaskets from the parts store (they have a metal core with rubber coating).

Jan 06, 2013 | 2000 Chevrolet Venture

1 Answer

How to replace an intake manifold gasket on a 1996 gmc jimmy


Hello,

Here is a detailed summary on the procedure of how to replace the intake manifold gasket on a 1996 gmc jimmy;
REMOVING THE UPPER INTAKE MANIFOLD(PLENUM)
STEP 1 Disconnect Battery (may not be absolutely necessary, but a good practice to avoid shorting a positive wire to ground).


STEP 2 Remove serpentine belt.

STEP 3 Drain the coolant.

STEP 4 Remove air cleaner ducting and disconnect wires.

STEP 5 Disconnect throttle linkage and bracket.

STEP 6 Disconnect cruise control cable.

STEP 7 Remove brake booster vacuum hose at manifold.

STEP 8 Remove PCV hose.

STEP 9 Remove ignition coil and bracket.

STEP 1O Remove purge solenoid and bracket.

STEP 11 Relieve fuel pressure at test port.

STEP 12 Remove fuel lines and bracket.

STEP 13 Remove upper intake manifold.

REMOVING THE LOWER INTAKE MANIFOLD
STEP 1 Remove the distributor and label the spark plug wires.

STEP 2 Remove heater hoses and bypass hose.

STEP 3 Remove upper radiator hose.


STEP 4 Remove EGR valve?

STEP 5 Remove sensors and bracket on right side.

STEP 6 Remove EGR tube, clamp and bolt.

STEP 7 Remove PCV valve (and replace).

STEP 8 Unbolt A/C compressor and move it aside.

STEP 9 Loosen compressor bracket and slide forward, but do not remove it.

STEP 10 Remove alternator bracket bolt (or remove alternator and set aside)

STEP 11 Unplug all vacuum lines from intake manifold.


STEP 12 Unplug all electrical connectors from manifold.

STEP 13 Take note of the intake manifold bolts and mark the location of the bolts.


STEP 14 Remove intake manifold bolts, and manifold.

STEP 15 Clean mating surfaces

THE MAIN INSTALLATION
STEP1 Set the new gaskets in place and apply silicone to flat areas on front and rear of engine block.

STEP2 Apply thread locking compound to manifold bolts.

STEP 3 Install the manifold and tighten bolts to 35 ft-lbs, in proper sequence.

STEP4 Install the distributor.

STEP5 Install the upper intake manifold.



The remaining installation procedures are basically the reverse of removal.


Have a nice day.

Dec 04, 2010 | 1996 GMC Jimmy

1 Answer

Took to inspection code p0171


engine running lean. Usually caused by vacuum leak. If you have a V engine, the failure is usually intake manifold gaskets. If you have inline (4-cylinder), the cause may be intake gaskets or bad or unhooked vacuum hoses attached to the intake manifold. Check all vacuum hoses for cracks or loose connections. Replace any suspect hose. To find manifold gasket leaks, spray ether or carb cleaner on the gaskets with the engine running. If the engine revs at all, you have a leaky gasket and must remove the manifold to replace. Please let me know if you have any more questions.

Oct 30, 2010 | 1996 Oldsmobile LSS

1 Answer

Service engine soon light came on went to auto parts store the readout on the diagnostic tool indicated it was the knock sensor. They sold me one I have a chiltons manual it states there are two located...


yes, unfortunately the intake manifold will need to be removed to get to the knock sensor. make sure you have all gaskets and tools handy before you start this procedure.

Aug 12, 2010 | Chevrolet Silverado 2500HD Cars & Trucks

2 Answers

Trying to figure out how to change my intake manifold gasket on a honda civic 97


  1. Take loose the intake tube from the intake and breather box.
  2. Remove the wiring harness from the intake mahifold there should be 4 injector plugs 3 plgs on the back of the manifold .
  3. You must take loose the fuel lines both the supply line on the left side of the fuel rail and the return line on the fuel pressure regulator
  4. Throtle cable must be taken off of the throtle body(and also dentent or shift cable if it is an automatic trans.)
  5. There is going to be a bracket on the underside of the manifold that more than likely will have to be gotten from the bottom should be a 14mm take loose from the manifold not the block
  6. There will be 8 to 10 12mm bolts that hold the intake manifold onto the head all of which are hard to get with the head still on the car but it can be done for a couple of them u will need a wrench and possibly even a swivel socket
  7. Remove the intake and pay attention to the hose that runs from the intake to the oil breather on the back of the motor its a bit tricky to get back on if u dnt have samll hands
  8. Make sure the gasket area of the intake and head are clean before installing the new gasket
  9. Reverse the instructions to replace the intake and make sure you torque the intake stud nuts to 16 ft/lbs

May 11, 2010 | 1997 Honda Civic

2 Answers

My 1996 chevy suburban runs rough with no engine lights it has a 350 i just had the intake manifold gasket done


spray carburetor cleaner to the surrounding gaskets of the intake manifold while the engine is running.. If the idle increases upon spraying the cleaner the intake is leaking

Mar 10, 2010 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

1996 land rover discovery intake manifold gasket


oil from the pcv valve going into your intake manifold will cause a gasket to swell. but it should not be to the point where it's noticeable. you should probably replace the intake manifold gasket at this point.

Dec 09, 2009 | 1997 Land Rover Discovery

1 Answer

Location of the pcv valve on a 96 chevy cavalier


it should be in the top of the intake manifold, the air cleaner tube goes into the throttle body and there is a little line that runs from the air cleaner tube into the pcv value and is screwed into the intake manifold.

Jul 31, 2009 | 1996 Chevrolet Cavalier

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