1986 cadillac Stalling up hills, need help ASAP
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HT4100 4.1, 4.5, 4.9 Discussion, 1986 cadillac Stalling up hills, need help ASAP in Cadillac Engine Technical Discussion; I am about to buy a 1986 caddy deville in mint condition, it runs awesome. They said that it is ...
  1. #1
    caddeville's Avatar
    caddeville is offline Cadillac Owners Enthusiast
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    1986 cadillac Stalling up hills, need help ASAP

    I am about to buy a 1986 caddy deville in mint condition, it runs awesome. They said that it is because of the tranny it stalls up even the slightest hill, could it be? I don't know. Please help me out ASAP

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    cadillac_al is offline Cadillac Owners Connoisseur
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    Re: 1986 cadillac Stalling up hills, need help ASAP

    sounds like it's starving for fuel.

  4. #3
    awadecki is offline Cadillac Owners Enthusiast
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    Re: 1986 cadillac Stalling up hills, need help ASAP

    yeah, i'd agree. if it shifts fine on a level surface, i can't see how that'd be the case. perhaps the tcc solenoid is sticking, so it loses power going up a hill and can't downshift.

  5. #4
    MyVeryFirstCaddy is offline Cadillac Owners Member
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    Re: 1986 cadillac Stalling up hills, need help ASAP

    Mine is doing the same thing. It has stalled twice while going up the same hill so if it is a solenoid where is it installed and how hard is it to change?

  6. #5
    the recluse is offline Cadillac Owners Connoisseur
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    Re: 1986 cadillac Stalling up hills, need help ASAP

    The tcc solenoid is found INSIDE the tranny...

  7. #6
    cadillac_al is offline Cadillac Owners Connoisseur
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    Re: 1986 cadillac Stalling up hills, need help ASAP

    I would verify correct fuel pressure and vacuum first and check for codes too. It looks like this old thread never did get resolved.

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