Engine Replacement question - Page 2
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Cadillac STS Forum - 2005 through 2012 Discussion, Engine Replacement question in Past Cadillac Vehicle Discussion; ...
  1. #16
    orange57's Avatar
    orange57 is offline Cadillac Owners Enthusiast
    Automobile(s): 2005 STS Northstar RWD
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    Re: Engine Replacement question

    Quote Originally Posted by carter527 View Post
    Redesign? for a RWD? im sorry but that was funny, all GM did was try to fix the head gasket problem, changes from FWD to RWD? turn the engine 90 degrees. no brainer. Im just saying that the V6 is not a bad engine and its funny how people that have a N* want to put it down when they hear a few people talk bad about the V6 but they have no first hand knowledge.
    Yep, turn it 90°, add VVT, make more HP and TQ, repair a known head gasket issue, bump compression....yep, complete no brainer, nothing redesigned in that. Actually, you're probably right, the engine is probably the exact same thing as the FWD, and probably completely interchangeable. In fact, there probably wasn't any redesign in the 3.6 either between the LY7 and LLT engine either, they're probably the same.

    Now that i'm done being a dick, all I was trying to get at was that you probably hear a lot more about any issue with the 3.6 engines because they have been made in such mass quantities and used across GM's entire fleet. Wasn't bashing your (or anyone else's for that matter) V6 on here. Congrats on your 137K miles, may there be many more to go.
    carter527 and carter527 like this.

  2. #17
    jimmbo is offline Cadillac Owners Fanatic
    Automobile(s): 2008 sts
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    Re: Engine Replacement question

    I remember looking at one of the chains used on the 3.6. Most chains on a mountain bike look more durable. Very poor design... the engineers and the managers who approved that design need a public Flogging

  3. #18
    1BadCadSTS's Avatar
    1BadCadSTS is online now Cadillac Owners Connoisseur
    Automobile(s): 05 STS4
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    7 northstars have gone through my family 1 had hg issues.
    1 3.6 is in my family and the thing drinks oil worse than that n* with a bad hg blew coolant.

    The 3.6 non di is junk. The problems of them are documented and well known. Did gm ever issue a recall for Hgs? Nope. But you bet your ass there's a recall on the 3.6 timing chains.

  4. #19
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Quote Originally Posted by 1BadCadSTS

    The 3.6 non di is junk. The problems of them are documented and well known. Did gm ever issue a recall for Hgs? Nope. But you bet your ass there's a recall on the 3.6 timing chains.
    There is no recall, just special coverage on 2007 LY7's for 10 years/120k...05\06 STS (04 CTS too) owners got nothing...

    Reminds me of the 05 catalytic converter coverage....Same cats in the 06's, just as big of an issue, yet no coverage...
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