Water pumps - anybody else? - Page 2

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2008-2013 Cadillac CTS General Discussion Discussion, Water pumps - anybody else? in Cadillac CTS Second Generation Forum - 2008-2013; GM does have a problem with water pump gaskets on certain aluminum water pump / aluminum block engines. Most notable ...
  1. #16
    Twentybucks is offline Cadillac Owners Fanatic
    Automobile(s): 2010 CTS AWD Luxury Black Raven
    Join Date
    Feb 2013
    Cape Cod, MA

    Re: Water pumps - anybody else?

    GM does have a problem with water pump gaskets on certain aluminum water pump / aluminum block engines. Most notable is an issue with the 5.3L V-8 which is found in the Silverado pickups, Chevy Suburbans and GMC Yukons. Gasket failures are extremely common with these. The gaskets went on my 2003 Suburban at around 120K. There were a few drops on coolant on the garage floor in the morning but I was loosing all of it while driving. I replaced the water pump along with the gaskets at the same time since I had everything off. I spent about $160 on a new pump and gaskets, the dealer gets around $600 - $700 for this job.
    I wouldn't be surprised if the Cadillacs see the same issue with the aluminum pump / aluminum block combination.

  2. #17
    C "T" ess's Avatar
    C "T" ess is offline Cadillac Owners Connoisseur
    Automobile(s): 2015 ATS Performance Coupe 2.0T
    Join Date
    May 2007

    Re: Water pumps - anybody else?

    Quote Originally Posted by droptopron View Post
    I got my car back today. It was misdiagnosed as a water pump failure when it was a coolant temp sensor. I am still not happy with the failure @ 14,500 miles but rest a little easier knowing the engine didn't get damaged overheating. Hopefully it is an anomoly and the car will go back to being the reliable and solid steed it has been.
    Sounds like you're a glass half empty kind of guy.

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