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Type: Posts; User: jackmup

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  1. I love that engine photo. I'd really like to pull...

    I love that engine photo. I'd really like to pull that thing apart and see what makes it tick.

    Great pics

    Thanks
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    5.7 hesitation off the line or just off idle

    I just wanted to post this fix,

    I have a 5.7 it was sitting for a while, couple of years maybe, and the poppets were certainly gummy.
    It was hesitating off the line and would sometimes back fire....
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    Easy, Drop the pan and it's right there. I...

    Easy, Drop the pan and it's right there.

    I would drop the pan and let it sit awhile so the fluid doesn't drip all over you while you work.

    Few hours? on a lift it would take a few minutes to do...
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    I agree does sound like valve seals. on a 92 they...

    I agree does sound like valve seals. on a 92 they would be dried up and cracked a bit.
    I wouldn't worry about it, just keep a couple qts of oil behind the seat.
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    replaced the Cap and rotor and ign coil with AC...

    replaced the Cap and rotor and ign coil with AC DELCO and it's almost gone.

    It's horrible like every thing I replace makes it a little better, I think when the PCM went it fried all the sensors it...
  6. Thread: Hard Shifting

    by jackmup
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    I just went through this, The transmission is...

    I just went through this, The transmission is shifting hard because it is calling for full line pressure..
    something inside is making it hard to shift, most likely the bushing that supports the...
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    Nothing could be worse!

    You Know I keep reading threads.

    Guys asking how to fix their rigs, then poof their gone. SELFISH!

    I know they fixed it but only they know the resolution.

    PLEASE post your repairs, some of...
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    My third position is out too, Where is the...

    My third position is out too, Where is the resistor located?
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    How did you find out it was shot? It's like a...

    How did you find out it was shot?

    It's like a rubiks cube. this truck starts and idles smooooth and runs great.
    Just has that stumble if I get on it.

    maybe I need to look at it with a techII
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    Hesitation, stumble, backfire

    Hey,

    I have a 97 5.7 Vortec 3500 Express
    I have been working on this truck I just bought for a couple weeks

    It had been sitting for two years, It was billowing pure white smoke, smelt like raw...
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    Hey, New to the forum

    Hey Guys,

    New to the forum,
    I have two older models 97 and a 98 3500's I use for work.
    I've owned quite a few Chevy trucks over the years and enjoy maintaining them myself.
    I'm a GC in New...
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    I agree you should look at your PCM terminals and...

    I agree you should look at your PCM terminals and your brake booster for leaks, The PCM sits under the booster and gets nailed anytime there is a brake fluid problem. I bought a used reprogrammed PCM...
  13. Could be a fuel reg going bad. They can be...

    Could be a fuel reg going bad. They can be intermittent.
    So can fuel pumps and you need full pressure, not enough to just hear it working. They can also do the intermittent thing.

    The cooling...
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