1994-1999 Cadillac Deville Blower Motor Replacement - Page 2

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Cadillac Tech Tips - How to fix it Discussion, 1994-1999 Cadillac Deville Blower Motor Replacement in Item Specific Cadillac Discussion; Did you remove the coil packs or is that all you did? Thx...
  1. #16
    SwampTider is offline Cadillac Owners Member
    Automobile(s): 1996 Sedan Deville
    Join Date
    Jan 2012
    Milton, Florida

    Re: 1994-1999 Cadillac Deville Blower Motor Replacement

    Did you remove the coil packs or is that all you did? Thx

  2. #17
    jlord9485 is offline Cadillac Owners Member
    Automobile(s): 1995 SLS
    Join Date
    Jan 2012

    Re: 1994-1999 Cadillac Deville Blower Motor Replacement

    I wanted to let you all know, by luck i found an extremely easy way to do all of this. Because of the age of the car, the plastic covering on the firewall had started to crack and chip away around the blower motor housing. I removed all of the cracked and chipped pieces because they were falling on the exhaust manifold and melting, which destroyed my o2 sensor. Once i removed the 3 screws that hold the blower in place, i noticed the lack of room problem. On the top of the housing there is a plastic access piece held in by 1 7mm bolt. once the plastic access piece was removed, the blower came out with almost no resistance. Basically, remove the 2 or 3 bolts that hold the plastic cover too the firewall around the blower motor. then remove the plastic access piece. Pictures are posted below.

    The first picture is with the plastic access piece in place. The two bolts on the firewall are what hold the plastic covering of the whole housing on. Mine had cracked apart so I removed all of the cracked plastic.

    The second picture is the actual piece i am talking about in my hand. The third picture is the blower motor hole with the access piece removed.
    Attached Images
    jjb2012 and jjb2012 like this.

  3. #18
    SteveMeyer is offline Cadillac Owners Member
    Automobile(s): Seville STS
    Join Date
    Mar 2012

    Re: 1994-1999 Cadillac Deville Blower Motor Replacement

    Regarding the rubber/plastic cover that is screwed to the firewall, and apparently surrounds the blower motor: I've always take my 94 Seville to the Cadillac dealer, but let my dad's mechanic take a shot at replacing a dead blower motor; said he could save me a boat load of money. Well, he fixed it, and I assume he put a new blower in, but he didn't save me any money. That was six months ago. Today, I put a new battery in myself, and noticed what appears to be the blower motor housing on the firewall is all broken up into dozens of pieces that someone appears to have tried to glue back together, and sprayed with black paint. I reach in to touch it and it crumbled. This appears to be made of rubber, and must be the cover mentioned in the earlier posts to this thread. I noticed today that I can smell engine oil in the car, and I am now wondering what this cover is actually. I'm thinking it is ligitimate duct work and it purpose is to channel air from the windshiled cowelling to the blower. I'm thinking that I might now be sucking air out of the engine compartment through the busted up rubber blower cover. What is this cover? Do I need it? Should I replace it? Can I replace it? Is the part even available?


  4. #19
    vincentm's Avatar
    vincentm is offline Cadillac Owners Connoisseur
    Automobile(s): 1997 Cadillac Eldorado ETC
    Join Date
    Aug 2010
    Kennewick WA

    Re: Blower motor?

    So it's a success after all the history of AC problems from when i first bought this vehicle i (hopefully) have fully functioning brand new AC. from the compressor, to accumulator, orifice tube to high and low pressure switches, now to the damn blower motor.

    So to recap, here's how the motor was replaced.

    First the old one that needed to come out, see that little bastard staring you down? saying "haha good luck getting me out of here" Well, you little F***er, you're being evicted!

    Start by disconnecting the negative battery cable:

    Then the cross tower brace is outta there, see ya!

    then the coil pack, 2 10mm bolts up front, 2 in the rear, 4 electrical connections on the left and right side of it

    And she's off:

    Next up is the vacuum solenoid/switches, 10mm bolt

    Then the old blower motor which comes off in 3 pieces, observe.

    First the heat shield, three 8mm bolts:

    Then the outside five bolts holding it to the firewall. The bottom bolt is a pain in the ass, take a swig of beer and breathe deeply, gather your patience, if you get frustrated, calm down and walk away.

    And that bastard is out:

    Now to get the new one in the right camshaft cover has to come off no ifs and or buts, the good thing though is that i didn't have to disconnect the front torque strut to rock the engine forward, i used this for the rear 4 10mm bolts

    And the new one installed, be careful in getting it in there, take your time and breath slowly, at this point if you have a buzz from the beer swigging, stop and wait for it to go away.

    Denillac likes this.

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