1983 2 door Brougham 4.1L V8 water pump - Page 2
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 1983 2 door Brougham 4.1L V8 water pump in Past Cadillac Vehicle Discussion; anyone found a part# for the pipe? is a water pump by GMB a reputable company? I'm waiting for a ...
  1. #16
    caddy1983 is offline Cadillac Owners Member
    Automobile(s): 1983 Fleetwood brougham 2 door
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    anyone found a part# for the pipe? is a water pump by GMB a reputable company? I'm waiting for a factory service manual I purchased on ebay. Will this help me replace my pump and show me the pipe you guys are talking about

  2. #17
    carnut is online now Cadillac Owners Master
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    Yes the manual explains the pipe. This pipe is not needed if the pipe isn't rusty or pitted on the O ring surface. I remove the coolant sensor and slide the pipe into the manifold leaving space enough to pry it forward into the water pump. I use wheel bearing grease on the O rings.

  3. #18
    charley95 is offline Cadillac Owners Member
    Automobile(s): 91 brougham
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    While your at it you might want to have to radiator checked by a Rad. repair shop. It will save you a lot of headache to do it while your flushing cooling system. I would also use distilled water upon refill of anti-freeze. I'm surprised your radiator is still good after all these years. I had to replace mine years back in my 91 Brougham with a Modine brand which was the best after market available at the time. Too bad they got out of the Rad. business. Di-electric silicone grease works good on O-rings too. Napa has a good selection of those.

  4. #19
    caddy1983 is offline Cadillac Owners Member
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    I have a lifetime warranty on my radiator at autozone. I might just replace the radiator and anything related to the cooling system. Need to make
    sure I do this right so this can last another 10-15 years. Thanks

  5. #20
    charley95 is offline Cadillac Owners Member
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    Quote Originally Posted by caddy1983 View Post
    I have a lifetime warranty on my radiator at autozone. I might just replace the radiator and anything related to the cooling system. Need to make
    sure I do this right so this can last another 10-15 years. Thanks
    I wouldn't replace your existing rad. if there is nothing wrong with it. I typically flush my system every 3 yrs. I flush heater core,block & rad. and drain block before filling with fresh anti-freeze.

  6. #21
    caddy1983 is offline Cadillac Owners Member
    Automobile(s): 1983 Fleetwood brougham 2 door
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    just received my factory shop manual and it doesn't say anything about the pipe and the o rings. The steps to remove the water pump seem very
    ***ue and simple. Is it really that simple to remove the pump. NEED help

  7. #22
    j2rossit is offline Cadillac Owners Enthusiast
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    See post #10 for the steps. Nothing overly complicated, just lots of work removing accessories.

  8. #23
    Robin Banx's Avatar
    Robin Banx is offline Cadillac Owners Fanatic
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    ^^ If you have the 1983 GM Service Information manual, you will find the exploded diagram of your water pump and related parts in section 6D2 - 6 figure 6D2 - 9 The tube is called "adapter" and it shows the two large diameter "O" ring seal. This area is a right bastard to re install leak-free. Mine took me 6 months of fiddling around removing and re-sealing the thermostat housing including one session of Draw-filing the flat surfaces to guarantee a perfectly flat sealing surface. Be very careful with the jack screw belt tensioning adjusters (one on the a/c comp. and one on the alternator). The threaded blocks split very easily and are only available at wrecking yards as far as I know.

    Cheers...........R.

  9. #24
    carnut is online now Cadillac Owners Master
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    The hardest part is getting the power steering pump pulley off with the proper pulley puller. Then reinstalling the pulley again with the proper tool.

  10. #25
    Robin Banx's Avatar
    Robin Banx is offline Cadillac Owners Fanatic
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    Re: 1983 2 door Brougham 4.1L V8 water pump

    ^^ I can't disagree with that.

    R.

    ----------

    ^^ I can't disagree with that.

    R.

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