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    Exhaust flange above X member...

    I know this is old, but I have the exact same problem. Did you ever figure out a solution?
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    Noise from engine 1997 Tahoe 5.7

    Well, it turned out to be loose bolts. Finally got the inspection port off, turned the engine and found one bolt was finger tight and another (out of three) was out about 1/4 inch. Removed them one at a time and replaced with some loctite. Of course, to get it down, we had to drop the exhaust...
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    Noise from engine 1997 Tahoe 5.7

    I was wondering how to get the fire light in that tight space ... ;). QuickJacks are a pair of hydraulic lifts that are movable and give about 27" of lift. Little cheaper than a two post lift and take up less room.
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    Noise from engine 1997 Tahoe 5.7

    Thanks for the additional info. I have QuickJacks, so that will make it easier to check things out.
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    Noise from engine 1997 Tahoe 5.7

    That's also what my brother thought. Any quick way to detemine that?
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    Noise from engine 1997 Tahoe 5.7

    That's what my brother thought as well. A little too "clangy". I'll go double check and see. The fan appears to be spinning freely, and I don't see anything. It also appears to be louder towards the rear of the engine, though that can obviously be deceiving in the engine bay.
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    Noise from engine 1997 Tahoe 5.7

    I'm very afraid of what this sound is ... Is there a way to attach a sound file? It started out as a "random" noise, sort of a clunk, and then it was only on slowing down after revving. Within 15 minutes, it became an all the time noise. Seems loudest at the right rear of the engine, but you...

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