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Thread: Oil pump I think

  1. #1
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    Oil pump I think

    Well I still have the oil pressure problem. It idles at a little over 20psi and when im moving its at 40psi and when I floor it its about at 75psi. So is this the pump or another problem need to know before I buy a new engine.Thx Ben

  2. #2
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    has motor ever been touched? if so O ring might be pinched.

    i doubt pump is going bad, the new ones only possibly thing that fails is the spring.

    what oil weight are you running?

    what is mileage on truck and what oil filter are you using?

    checked oil recently and notice anything on the plug?
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  3. #3
    ff_jeff Guest
    Mine does the same thing, only at idle its at 40psi. at WOT it will climb pretty high. I thought this was normal.

  4. #4
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    20 isnt normal
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  5. #5
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    The motor is stock never been touched
    10W30 Mobil 1 Synthetic
    Mobil 1 filter
    And theres been a build up of this carmel looking stuff under the oil cap.
    And it has 97000miles

  6. #6
    ff_jeff Guest
    I also have the caramel looking stuff. I had to remove the baffles on the valve covers and there was a lot of this stuff. Maybe this is the crisco problem I have been having?

  7. #7
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    Quote Originally Posted by GenIII_4Ever View Post
    The motor is stock never been touched
    10W30 Mobil 1 Synthetic
    Mobil 1 filter
    And theres been a build up of this carmel looking stuff under the oil cap.
    And it has 97000miles
    does the plug look like any metal on it? does motor make any noises? is the oil psi always this low at 20 when at idle or did it recently start hapening?
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  8. #8
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    I just recently change the oil just a little metal i mean a tiny tad. And it just started to happen, along with my coolant disappearing after 4-5 days but that started to happen this winter when I started to use the heat.

  9. #9
    ff_jeff Guest

    Is this what the caramel stuff you have looks like?

  10. #10
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    Yes

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