Question about 2003 Pontiac Grand Am

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I have 2003 pontiac grandam my warranty company keeps replacing the rod that comes outta the head which is the number 1 3 4 5 and there rethreading it with a heli coli well it keeps blowin it apart so shouldn't they just replace the heads and fix it the right way

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  • kellyporter0 Mar 11, 2011

    They keep telling me at the mechanic shop the aluminum head is weak that's it keeps doing what its doing going from the intake side to the exhaust side just back and forth this is the 5th time I just want it fixed the rite way with new heads everybody tells me..



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  • Pontiac Master
  • 540 Answers

I replace the threads with a steel insert kit which is much stronger than heli coil, I have also used heli coil and never had a problem, I have repaired this problem many times if the re threading and insert are installed "properly" it shouldn't recurr.. if the same hole has been stripped several times the head definitely will need replaced. If they remove one head, make sure they remove both of them and replace both gaskets while in there, these engines are prone to head gasket failure

Posted on Mar 11, 2011

  • feliciacanez Mar 15, 2011

    do you fix cars? My 2003 has no pressure in the #2 and the engine is shaking real hard and only started when the check engine light came on. Checkers gave me the generic code #2 misfire and I changed the Injector the 2 spark plug and coil and problem didnt fix so a mechanic did a compression test and said there was no compression. I dont have $1200 to fix this and my mechanic is MIA! any suggestions?

  • DRP Oct 07, 2011

    I call this known problem "popping rocker arms"! I've had it happen twice on my Grand Am 3.4L. Luckily, no head damage occurred. Repaired both times via heavy duty type helicoil method.



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Remove or disconnect the following:
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