Question about 1998 GMC Sierra

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I replaced the distributer after it jumped out of the oil pump while it was running. To be able to get it stabed back in i had to advance it 2 teeth and now for it to run i have the timming advanced as far as it will go, w/the distributer advanced until it hits the intake. I need to back it up 1 or 2 teeth to be able to advance more, but dont know how to reverse the oil pump for it to fall back into place, any advice will save what hair i havent pulled out!!!!!!!

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  • sherwood090 Mar 05, 2009

    thanx,,,,, i was wondering if i could back the dist. around to were it needs to be and was actually hoping the oil pump would be loose enough to turn with a screw driver.. was only afraid because its a dayly driver and didnt know if it would cause pobs with the oil pump by turning it manualy.... 2 wher do i find a scanner to set the cam ****** offset once i have the mechanical stuff done ?

  • sherwood090 Mar 05, 2009

    thanx again to all .... i actually have a local machanic that mmaayy have a scanner but im one of those people to take things on myself so i know there right . . . but the scanner is one thing i couldnt produce. I really appric. tha answer ....if i have more questions its nice to know there is a place to go for in depth answers like these.... Hopefully ill be back on here to post solutions and not problems......

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Take the dis back out ,turn crank too top dead center use a long screw driver too turn the oil pump shaft too the same angle that num one is on the disturbiter then drop it back in

Posted on Mar 05, 2009

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Move the distributor one tooth at a time. Usually the oil pump shaft will follow it if you only more one at at time. If you set the engine at tdc, there is a mark on the distributor that you line up that is stamped with a 8 or 6 depending on what engine you have. That will get you close, to get it set perfect, you will need to hook it to a scanner. Turning the distributor doesn't actually set the timing anymore. It sets your camshaft sensor offset, and to need the scanner to read that. If you get it close it will work, but if you have it to far off, the check engine light will be on for cam/crank correlation code.

Posted on Mar 05, 2009

  • 1 more comment 
  • Clint Smock
    Clint Smock Mar 05, 2009

    I would be cheaper if after you get you distributor back it close, take it to a local garage and have it set. They shouldn't charge you very much if they are honest, it is very easy to do if you have the equipment.

  • Clint Smock
    Clint Smock Mar 05, 2009

    Let me know P.S.I would like the Fix Ya rating that I had instead of the Helpful one, It helps my profile rating. Thanks

  • Clint Smock
    Clint Smock Mar 05, 2009

    Thanks sherwood090, you are a good person.

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