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  1. #1
    Mike
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    1 out of 1 members found this post helpful. Yes | No

    Oil Change Questions, 2003 CTS 3.2L V6...

    I am trying to change the oil on my 2003 Caddilac CTS 3.2L V6. I notice there is a Star-Bolt that goes right over the Oil Filter Cover, what size Star is this? Do I need to remove this to remove the Oil Filter or can I just begin turning the filter to loosen the threads?

    Thanks in advanced...


  2. #2
    RonK
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    Re: Oil Change Questions, 2003 CTS 3.2L V6...


    Follow this link for your instructions.

  3. #3
    RNT
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    Re: Oil Change Questions, 2003 CTS 3.2L V6...

    To remove the oil filter turn the Blk plastic housing just as if you were removing a throw away filter. Inside is the oil filter cartridge remove it and clean the filter housing. Make sure you replace the oil filter housing O'ring.Install the new filter and reinstall. Do not over tigthen.

  4. #4
    eorge stanescu
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    Re: Oil Change Questions, 2003 CTS 3.2L V6...

    I have 2003 cadillac cts,v6,3,2..and i want to check the transmission fluid,i have leak under the car betwin the rear wheels?thank u

  5. #5
    Ron K
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    Re: Oil Change Questions, 2003 CTS 3.2L V6...

    The leak between your rear wheels is most likely a bad pinion bearing seal on your rear differential. My '06 had three of those replaced in the first two years. The last time it was replaced it was under a recall...you might want to check with your Cadillac dealer to see if your 2003 was included in the recall. Won't hurt to see if you can get it fixed for free.

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