Oil Pump

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Thread: Oil Pump

  1. #1
    rec
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    Oil Pump

    Re*placed The Oil Pump On A 2006 Hum*mer H3 3.5 And The Oil Light Keeps Com*ing On, Also Re*placed The Oil Send*ing Unit! Oil 5w30 Some*one said put in 5w40

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  3. #2
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    Re: Oil Pump

    Quote Originally Posted by rec View Post
    Re*placed The Oil Pump On A 2006 Hum*mer H3 3.5 And The Oil Light Keeps Com*ing On, Also Re*placed The Oil Send*ing Unit! Oil 5w30 Some*one said put in 5w40
    First question did you use an O.E. part or aftermarket part? if you tried to save money with an aftermarket pump that could be the problem, I only use gm o.e. parts for all my repairs and never have issues my friend told me about these websites for factory o.e. parts super cheap. https://www.gmpartsprime.com/ or https://www.gmpartsgiant.com/ since then i get all my o.e. parts from them. the only other thoughts would be a bad oil filter or worn cam bearings i would try a new oil filter first. best of luck i hope it's a bad oil filter.

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    Re: Oil Pump

    Did you consider the oil pressure sensor? Sensors usually fail before the mechanical parts. Probably a lot cheaper and easier to replace.
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    Re: Oil Pump

    what was the ORIGINAL diagnostics done?

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