Question about 1997 GMC Jimmy

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Set timing 1997 jimmy

How do i set timing on a 1997 gmc jimmy with vortex motor?

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  • 9 more comments 
  • grgmoreton Jan 05, 2009

    i  changed the intake manifold gasket,so i had to remove the distributor, i marked and removed when i started to put it back couldnt find the mark so i stopped 


  • grgmoreton Jan 07, 2009

    i haven't set the timing yet ,will the jimmy run if timing isn't set and what type of noise will it make?


  • grgmoreton Jan 07, 2009

    it starts but is making a clunking sound,im going to set the timing as your directions, but is the clunking  normal when timing is off? 


  • grgmoreton Jan 07, 2009

    thank you i will try that and get right back too you


  • grgmoreton Jan 07, 2009

    it hesitated and stumble but kept running ,also making a screeching sound, i asked a mechanic in town he said i must have drop something in the motor when i changed the gasket ,but i counted all tools nuts and bolt and i am not missing any and the oil is the color of chocolate milk


  • grgmoreton Jan 07, 2009

    i change the manifold gasket because it was leaking coolant from the top of motor,when i remove the intake manifold the gasket it was totally gone in the motor too so coolant may have got in then .There is no oil in rad  no white in filler


  • grgmoreton Jan 07, 2009

    thank you for all your help i will let you know how it went when i'm done


  • grgmoreton Jan 08, 2009

    i set the timing this morning ,my jimmy is running great thank you for all your help


  • O Mclean May 11, 2010

    Ignition timing or timing Chain??

  • willardmina2
    willardmina2 Jul 15, 2013

    it starts easy and idles great on flat roads it runs like it should just trouble getting it to go up a hill from a stop

  • Anonymous Mar 16, 2014

    where is the abs fuse for a 1997 gmc jimmy

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  • Master
  • 740 Answers

Ok that's pretty simple Put cylinder # 1 on TDC= top dead center on the (compressionstroke piston all the way up). Mark on metal part of distributor (with marker) where the number one is on the cap( that's where the number 1 wire plugs in) Then in-plant distributor make sure that rotor point is pointed to #1 on the cap, turn distributor shaft until this is achieved or as close as possible try to center shaft so you can adjust... ****** or advance to fine tune after you in-plant distributor if needed. Contact if you need more help . Good Luck

Posted on Jan 06, 2009

  • 4 more comments 
  • O Mclean Jan 07, 2009

    If its not too much off it may start, but may hard start and run funny like shaking and low power on take off etc. However if it really off it will NOT start.

  • O Mclean Jan 07, 2009

    Can be does the vehicle have power when you try to DRIVE if it doesn't then that a sure tell tail sign that timing is OFF. Try to take of fast by gunning it should hesitate stumble or even cut off. Let me know... what happened

  • O Mclean Jan 07, 2009

    Oh No........if the oil looks like Chocolate milk then you have a bad Head Gasket. Check under oil filler cap for creamish whites reside and check in radiator for oil mixing. I'm starting to believe that you have a bad head gasket(Atleast) or may be a caked water jacket in head.

  • O Mclean Jan 07, 2009

    OK so that's how it got in there just follow the steps I told you and get the IGNITION TIMING right and you should be good to go... Sorry to alarm you like that I actually forgot that you changed the intake gasket..lol. Contact if you need more help. Good Luck.

  • O Mclean Jan 07, 2009

    You're Welcome Good Luck

  • O Mclean Jan 08, 2009

    GOOD... Your Welcome

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1 Answer

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.

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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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1 Answer

I hav a 98 gmc jimmy rwd 4.3 vortex vin# w it knocks all the time gets louder as u accelerat sound like it in the middle of the engine


i would not drive the vehicle until i had the engine repaired, sounds like you have a connecting rod bearing that is bad or more than 1, the motor will need major repair or replacement it will all depend on how bad the damage is to the crankshaft or any other components. sorry for the bad news but i hope this helps you

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1 Answer

How long to install intake gasket on 97 gmc jimmy 4.3 vortex


I did one in a 5.7 in 7 hours .Take your time .Should be in that area.

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1996 chevy s10 4.3 vortex lifters knocking at start up but goes away after 10 minutes idling. changed oil and filter oil pump reads 58-60psi at idle and seems to be working.


High milage? Try engine cleaner, run for couple hundred miles and then use an additive like Restore. If it's just dirt this may help. Make sure you are using the correct viscosity oil for winter temps. If it's from wear only parts replacement will fix it.

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1 Answer

Where about is the oil filter for a v6 vortex it is a gmc jimmy


Open the hood. Look just behind the left headlight. Go figure. but it is a really easy location to work on.

Oct 04, 2009 | 2001 GMC Jimmy

1 Answer

Timing Problem??


pull # 1 plug out,put screwdriver in cylinder head and see what mark you need to use, also on vortex there is a dot on the distributer gear that must be lined up with a lateral on the distributer ,so when it drops in it will be on # 1 firing cylinder

Apr 29, 2009 | 1997 GMC Jimmy

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