CTS 3.6 engine year compatibility
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V6: 3.0, 3.2 LA3, 3.6 LY7, 3.6 DI LLT Discussion, CTS 3.6 engine year compatibility in Cadillac Engine Technical Discussion; My 2006 CTS with a 3.6 has jumped the cam timing chains and locked up the engine with only 84,000 ...
  1. #1
    tsloms is offline Cadillac Owners Member
    Automobile(s): Cadillac
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    CTS 3.6 engine year compatibility

    My 2006 CTS with a 3.6 has jumped the cam timing chains and locked up the engine with only 84,000 miles on it. I am in need of a complete engine to replace mine. Are there any differences in the 2004-2007 engines and are they different than the later non-DI 3.6 engines built after 2008?

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  3. #2
    ternstes is offline Cadillac Owners Fanatic
    Automobile(s): 2011 CTS V, 2007 SRX V8, 2005 CTS 3.6L, 2000 STS, 1999 STS
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    Re: CTS 3.6 engine year compatibility

    Any 3.6 cts engine from 04-07 should be a direct replacement.

  4. #3
    tsloms is offline Cadillac Owners Member
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    Re: CTS 3.6 engine year compatibility

    Thank you,

    I tore my engine out last night to find that there was a couple quarts of coolant in the oil and #6 rod disintegrated. The internals are all junk!!!

  5. #4
    tsloms is offline Cadillac Owners Member
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    Re: CTS 3.6 engine year compatibility

    Quote Originally Posted by ternstes View Post
    Any 3.6 cts engine from 04-07 should be a direct replacement.
    I'm having issues with trying to find a replacement 04-06 engine but have found that the 07 is the same engine as used in the 08-09 Saturn Aura, Vue, Pontiac G6, STS, CTS.

    If I am swapping over all external engine components can I get one of the later 08-09 engines and bolt it in? These can be found for less than a grand easily with low miles.

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