Cooling System Question
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Northstar Engines and System Technical Discussion Discussion, Cooling System Question in Cadillac Engine Technical Discussion; While my transmission was being done, the guy told me that some manifold looking thing with a bunch of tubes ...
  1. #1
    codewize's Avatar
    codewize is offline Cadillac Owners Master
    Automobile(s): 1991 Brougham d'Elegance / 2001 DTS / 2002 DTS
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    Cooling System Question

    While my transmission was being done, the guy told me that some manifold looking thing with a bunch of tubes going into it was leaking coolant a little bit.

    What is this part he's talking about and how difficult is it to replace the gasket / seal?
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

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  3. #2
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: Cooling System Question

    Quote Originally Posted by codewize View Post
    While my transmission was being done, the guy told me that some manifold looking thing with a bunch of tubes going into it was leaking coolant a little bit.

    What is this part he's talking about and how difficult is it to replace the gasket / seal?
    Take a picture of it and post it. Your description is a little vague and my ESP isn't coming in really good today.
    Don't mess with Binky Bear!


  4. #3
    codewize's Avatar
    codewize is offline Cadillac Owners Master
    Automobile(s): 1991 Brougham d'Elegance / 2001 DTS / 2002 DTS
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    Re: Cooling System Question

    LOL well he hasn't shown it to me yet so that's all I have. He said it's on the left side of the engine (I think) and it has to be called some type of manifold because it looks like a bunch of tubes.

    I asked him if it was easy to get to and he said it's not to bad form the top. Remember he was under the car. I'll have more info tomorrow afternoon.
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  5. #4
    jadcock's Avatar
    jadcock is offline Cadillac Owners Connoisseur
    Automobile(s): White Diamond 2001 STS
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    Re: Cooling System Question

    If it's on the passenger side of the engine, and if your '01 DTS is set up similar to my '97 SLS, there is a heater hose junction "manifold" below and behind the power steering pulley area. It has about 3-4 hoses entering/exiting it. I don't know if that's what he's talking about or not.

    My '01 isn't like my '97 in that regard, but it also sounds like your '01 isn't like my '01 (DeVille vs. Seville), so I just don't know!

  6. #5
    OffThaHorseCEO is offline Cadillac Owners Connoisseur
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    Re: Cooling System Question

    Quote Originally Posted by codewize View Post
    While my transmission was being done, the guy told me that some manifold looking thing with a bunch of tubes going into it was leaking coolant a little bit.

    What is this part he's talking about and how difficult is it to replace the gasket / seal?
    if he called it a "manifold looking thing" you should take your car somewhere else

  7. #6
    codewize's Avatar
    codewize is offline Cadillac Owners Master
    Automobile(s): 1991 Brougham d'Elegance / 2001 DTS / 2002 DTS
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    Upstate NY
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    Re: Cooling System Question

    LOL normally I would agree but he's a transmission specialist. That's all he does. Trans and Diff.

    He's been doing it well for over 30 years and has an impeccable reputation. He does have some old school hot rodding experience but he's not a new engine kind of guy.

    Quote Originally Posted by OffThaHorseCEO View Post
    if he called it a "manifold looking thing" you should take your car somewhere else
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  8. #7
    JimD is offline Cadillac Owners Connoisseur
    Automobile(s): '98 STS (RIP @ 206,xxx miles)
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    Sep 2003
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    Atlanta area
    Posts
    4,774

    Re: Cooling System Question

    There is a good chance he is looking at the coolant crossover assembly.

    Pictures here http://cadillacforums.com/forums/nor...er-photos.html

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