5.7 Knock sensor location - Page 2

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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 5.7 Knock sensor location in Past Cadillac Vehicle Discussion; I found it. IMG_20130705_175324_328 copy.jpg Unfortunately, it is rusted and stripped. I've hit it with tons of blaster, but I ...
  1. #16
    Johnny Kaka is offline Cadillac Owners Member
    Automobile(s): 1990 Brougham
    Join Date
    Sep 2012
    Thread Starter

    Re: 5.7 Knock sensor location

    I found it.

    IMG_20130705_175324_328 copy.jpg

    Unfortunately, it is rusted and stripped. I've hit it with tons of blaster, but I haven't been able to get it out yet. I also found this:


    Not sure if this is a slow leak from the oil pan. It definitely smells like oil. However, I just found a possible intake gasket leak (VERY possible) And I'm not sure if the coolant is mixing with the other grime and forming at the bottom of the pan.

    Not sure how to proceed. currently. my problems are:

    -stripped knock sensor, can't budge the damn thing!

    -Likely intake gasket leak

    - oil pan leak.

    I don't even know where to start. I'm also wondering if all of this work is worth it. I want to take it to a mech to have it checked out so I know exactly what I need to fix. How much would I pay for some diag tests?

    I am also going to start a new post for all of this nonsense. I really appreciate you guys hanging in and trying to help me. THANKS!

  2. #17
    85 FLEETWOOD COUPE's Avatar
    85 FLEETWOOD COUPE is offline Cadillac Owners Fanatic
    Join Date
    May 2011

    Re: 5.7 Knock sensor location

    Iv heard to help take the knock sensor loose is to start the car up so the block will heat up and that will help take off the knock sensor

  3. #18
    csbuckn is offline Cadillac Owners Master
    Automobile(s): 84 Coupe w/500
    Join Date
    Jan 2008

    Re: 5.7 Knock sensor location

    If its gonna be a problem to remove, maybe just fix the misfire since the sensor seemed to do its job when it detected a noise from the misfire.

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