85 Deville 4.1L Oil problems.
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HT4100 4.1, 4.5, 4.9 Discussion, 85 Deville 4.1L Oil problems. in Cadillac Engine Technical Discussion; I've just replaced my oil pump,shaft and pickup screen and my oil light still comes on and there is no ...
  1. #1
    whatever243444 is offline Cadillac Owners Member
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    Question 85 Deville 4.1L Oil problems.

    I've just replaced my oil pump,shaft and pickup screen and my oil light still comes on and there is no oil coming out of the push rods. What next?

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  3. #2
    carnut is offline Cadillac Owners Master
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    Re: 85 Deville 4.1L Oil problems.

    Distributor drive gear.

  4. #3
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    caddeville is offline Cadillac Owners Enthusiast
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    Re: 85 Deville 4.1L Oil problems.

    What does that mean?

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    carnut is offline Cadillac Owners Master
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    Re: 85 Deville 4.1L Oil problems.

    It means the gear on the drive end of the distributor could be worn eccessively.

  6. #5
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: 85 Deville 4.1L Oil problems.

    Did you prime the pump?

  7. #6
    whatever243444 is offline Cadillac Owners Member
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    Re: 85 Deville 4.1L Oil problems.

    I primed the pump before i installed it.

  8. #7
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: 85 Deville 4.1L Oil problems.

    I'd look for a sheered off roll pin in the distributor then. I assumed you had done that before digging into the oil pan. My bad.

  9. #8
    whatever243444 is offline Cadillac Owners Member
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    Re: 85 Deville 4.1L Oil problems.

    I have replaced the oil pump,drive shaft and pickup. I have pulled the distributor and the drive gear is fine. I filled the oil pan with enough oil to submerge the pump and primed the pump. I get oil flowing into and out of the oil cooler but i still don't have any oil pumping out of the pushrods. What could be left?

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