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  1. T

    WOT clatter, typewriter sound, something? help

    Yes stock as far as I know. What is pilot injection? Why is it off? Is there a wiki on here? Also it does it at half throttle. When it hits 2500 it sounds like the rod bearings fell out :eek:
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    WOT clatter, typewriter sound, something? help

    oh I forgot to mention, It doesn't seem to do it as bad with the ac off. but i cant see how it could be related to the clutch on the compressor. Im sure its not, maybe im crazy and it is just as bad with ac off.
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    WOT clatter, typewriter sound, something? help

    ok guys, and gals, this is my second post. I have a LB7 01 gmc that while 3/4 to full throttle past 2500 rpm or so my truck is making a sound that scares me.It sounds like a sick typewriter, a clatter/chatter sound. It does it as described every time I put my foot in it. I can't really tell if...
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    LB7 leaking like a Detroit..

    thanks guys. I put my foot in my mouth for sure. After lying under the rig for 10 minutes getting my plan together on trans/t-case removal, drive shafts, cross members, oil lines, linkages, bolts, busted knuckles, etc.. I will not be going back a second time and re-doing it. The dealership wants...
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    LB7 leaking like a Detroit..

    Hello, newbie to this forum. I hope this is the right place to post this thread if not im sure an administrator will kindly direct me to the right place. Ok hear is whats going on. My boss just bought me a 2001 gmc with the LB7. the truck is super clean but has a few issues. I need advice...
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