Question about 2001 GMC Jimmy

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Distributor I have 2001 gmc truck.4.3 liter.had some corrosion inside distributor cap.and replaced cap and rotor.did fine for awhile.now,is the third time I,ve done this, i noticed it was wet inside cap.it seems like oil not water.this is what is causing the miss fire.????????how the FLOCK is this getting in there and how can i stop this?????????ANYONE????????????????????????

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  • shady0004 Jun 16, 2009

    ive since done some poking on line and found something very interesting.all 4.3 liter gm has problems with distibutors.It seems there was a recall for these.there are two screens in the base of the dist.whitch in time will get cloughed with **** and stops the ventilation to the cap.this creates a biuld up of oxidizing on everything under the cap.GM is recalling these dist.for now if you remove these screens and clean everything,replace cap,rotor,it will run until you make arrangement with a GM dealer to replace the whole mess.also the AC line is right above dist.cover this line with a foam sleeve and this shoud stop.....

  • Greg Margossian
    Greg Margossian May 11, 2010

    do you have a weak or broken clip on the cap?

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  • Master
  • 507 Answers

Why, idk. Where, well the only way oil could be getting into you cap is if for some reason it's coming up the distributor shaft. I've worked on many distributor vechiles and NEVER came across this problem. But there is a first time for everything.

Posted on Jun 14, 2009

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