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Does a 1993 gmc jimmy with a 4.3 litre vortex motor have a timing chain, or two gears ?

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It has a timing chain

Posted on Jul 28, 2009

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Ok i need your help I got a 95 gmc jimmy with a 4.3 vortex that's not starting I got fuel coming to the filter but no fuel going to the motor anybody got any ideals?


is there fuel coming out of filter. with it being a vortex motor it could be the fuel pressure is too low to open the fuel injectors or you have a cracked fuel line inside the intake manifold and not allowing the fuel to go out the injectors.

Sep 01, 2015 | GMC Cars & Trucks

1 Answer

How do set the timing for the balance shaft for distributor with the camshaft timing gear on a 1996 Jimmy 4.3 Vortex 4X4 ?


Pull number one plug out, put your finger over the cyclinder hole, have someone bump motor over untill the pistion pushes air out..now the crankshaft should be close too O. Put distributor in and point rotor to number one plug...


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Jul 05, 2011 | 1996 GMC Jimmy

1 Answer

Had one 1993 jimmy, bearing ate into shaft. have a parts jimmy bought same model, color, everthing seems the same. when i went to change the differential the two were different. as long as i take out the...


I see a red flag here. If they don't look the same, they may have different gear ratios. This is critical in a 4 wheel drive. Front and rear gears have to match

Mar 19, 2011 | 1993 GMC Jimmy

1 Answer

98 jimmy four point three vortex will not fire until you let off the key. Acts like its out of time but has brand new timing chains and gears. The ignition mod tests good.


Even though your ignition mod tests good, you should try a different one. The tests do not always show a fault. What is happening is, your ignition is not getting enough power to fire in cranking mode. The usual reason for this is a faulty module.

Mar 18, 2011 | 1998 GMC Jimmy

1 Answer

I have a 94 jimmy that keeps loadingup the plugs and jumps timing but the timeing chain is not loose or strechedthe motor is strong but i cant keep it running


If you have a distributor cap with a rotor , it is possible that the gear on the bottom of the distributor is striped. It is driven off a similar gear on the cam shaft.

Feb 13, 2011 | 1994 GMC Jimmy

1 Answer

The time jumped or something like that so how do you replace a timing chain in a 1993 gmc jimmy?? neeed help please


If you have no knowledge of engines and replacing a timing chain,find a good repair shop

You won't have all the tools necessary to do the job yourself

Nov 07, 2010 | 1993 GMC Jimmy

3 Answers

I have a 1997 GMC Jimmy, 4.3 v6, i have replaced timing chain


fuel pressure regulator it is located on the spider pump behind the throttle body

Feb 13, 2010 | 1997 GMC Jimmy

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