Cylinder head problem...
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V6: 3.0, 3.2 LA3, 3.6 LY7, 3.6 DI LLT Discussion, Cylinder head problem... in Cadillac Engine Technical Discussion; I'll tell you my story. For the people who don't know, i'm from chile and i've a catera (an Opel ...
  1. #1
    alvarofue is offline Cadillac Owners Member
    Join Date
    Jan 2004
    Posts
    39

    Cylinder head problem...

    I'll tell you my story. For the people who don't know, i'm from chile and i've a catera (an Opel Omega really). A month ago i had a problem with the heater valve. It was leaking. So i send the car to the dealership. They said Ok, we will fix it, but we must measure the cylinders compression. I wasn't worry, because the car hadn't power or economy problems, but the results weren't good. 2 cylinders had very little compression (about 50-60 psi) and the others were low, but not so bad (arround 180psi, i think). Then, they must take off the cylinder head. The reason for the very low compression in the 2 cylinders was an old head gasket, and the low compression in the others cylinders were by a sealing problem of the valves, they wear out. So, i must replace the valves. The intake valves cost me here in chile about 15 dollars each, which isn't so bad, but the exhaust valves....120 dollars each!!!! the reason: they are filled with sodium.
    So they send the head to an engine repairshop, to make a measurment. I could save the exaust valves!!! and the head was ok.
    Now they're finishing the job, i hope it last.

    I'll informe you, when it is ready

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  3. #2
    baddad13 is offline Cadillac Owners Member
    Join Date
    Oct 2005
    Posts
    11

    Re: Cylinder head problem...

    omg. I can't beleive it. Your story is almost exactly like mine except for the dealership part. I'm a mechanic and found on my 97 catera a loud knocking sound wich came on all of a sudden. I did a compression test and found #5 & 3 cyl. was about 60 psi and #1 was 210 psi. So I removed the head and found a peice of head gasket(just a little peice of the metal part) in #5 and #3 cyl. I guess it came unlodged when my wife got rearended. made a helluva racket. Bent all four intake valves in those cyl. Going to replace both heads since I'm getting a good deal on rebuilt ones(free). Just wanted to say my piece. What are the odds of that happening?

  4. #3
    10secvette's Avatar
    10secvette is offline Banned
    Join Date
    Oct 2004
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    48
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    480

    Re: Cylinder head problem...

    hmm

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