Question about 1996 GMC Jimmy

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I replace the intake gasket of a 96' Jimmy 4.6 now it wont start I was thinking if it could be out of timing

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You could have intake leak.also intake leak at injector o rings or seals leak.when replacing intake gasket you have to tighten in sequence.if not intake gasket will leak again.

Posted on Dec 08, 2009

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Line up paint mark and dimple on distributor shaft and restab it

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Changing the intake gasket shouldn't change the timing, recheck the wiring, check for spark, does the fuel pump word, what is the fuel pressure, are you getting injector signal, check the oil etc

Posted on Dec 08, 2009

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1 Answer

How to remove head gasket on 1997 jimmy


I had the same problem on a 2000 Jimmy and it turned out to be the intake manifold gaskets not the head gasket so you may wanna check that out before you start the grueling job of head gasket replacement intake gaskets are a much easier fix

Dec 06, 2011 | 1997 GMC Jimmy

1 Answer

I HAVE ANTIFREEZE LEAKING OUT OF MY INTAKE MANIFOLD ON MY 1987 GMC JIMMY


I had this happen to me the first time I replaced my intake manifold gaskets. It was hard to install the intake and gasket moved just enough and I had a coolant leak. Removed manifold and installed new gaskets and problem was solved. Good Luck.

Jul 26, 2011 | 1987 GMC Jimmy

1 Answer

Intake manifold bolt pattern 1999 jimmy 4 by 4 i replaced the intake gasket my son did not use a bolt pattern o a tork wrench it leaks at the back under side


Remove the manifold add sealant to both sides of the gaskett and tighten from the midlle outwards.touque is about 20LBSsqinch.That should work fine

Jan 12, 2011 | 1999 GMC Jimmy

1 Answer

I have a 99 Jimmy with 4.3 engine. I have bad missing in the engine. I have replaced all wires, plugs, cap and rotor. This unit is still missing and setting a general misfire code. I have no vacuum leaks...


I found the problem and 99 jimmy is running great now. the major problem was the intake manifold gaskets sucking air and causing random misfire codes(bad fuel/air ratio) but also we pulled the distributor as well because from 87-99 the drive gear was made of soft material and sure enough 3 teeth on the dist gear were almost worn right off. We also replaced this with 120$ new rebuilt unit.
Intake gasket kit is approx 100$ and no more than 2 hrs labour and the distributer is real easy to pull and replace once the intakes are off so this is a good time to check dist with little extra labour.

richard

Nov 03, 2010 | 1999 GMC Jimmy

1 Answer

1996 gmc jimmy wont start seems like advanced timing issue backfiring out throttlebody, replaced timing pick up, distribitor cap, crank sensor, ICM, when ignition conrol module replace the engine ran fine...


You said the problem happened right after the engine was replaced correct? If so bring number cylinder to top dead center on the compression stroke. Remove the distributor cap and see if the rotor is lined up with the number one spark plug wire. It's possible the distributor was installed 180 degrees out.

Jun 05, 2010 | 1996 GMC Jimmy

1 Answer

Replaced head gaskets upper lower intake gaskets now wont start 96 vortec


Is it even trying, backfire, crank real fast. Or just won't start at all no matter what you do? Also is the gas good?

Dec 18, 2009 | 1996 Chevrolet K1500

1 Answer

Just replaced the intake gasket on a 96 blazer vortec4.3 and now it turns over but wont start


is the distributor put back in the exact same place....it can't be a degree off

Jun 05, 2009 | 1998 GMC Jimmy

2 Answers

1999 GMC Jimmy Running Hot w/ Engine coolant reservoir empty


I guess the burning question is , where is the coolant going.
Is this a 4.3 engine? How many miles does the vehicle have?
Has the intake gasket been changed?
I'm guessing a can of "Bars Leak" may cure your problem.
Let me know.
Regards,

Apr 03, 2009 | 1999 GMC Jimmy

1 Answer

96 jimmy Acceleration problems


its imposible that a car wont start because of egr valve the egr valve is under the upper radiator hose on the intake hope it help pierre

Jul 07, 2008 | 1996 GMC Jimmy

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