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Old 02-01-2004, 03:16 PM   #1
Big
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Question clacking?



Got a question anyone ever had a clacking sound coming from the engine after the pickup warms up? If so what did you do to fix it? I would appreciate any help.
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Old 02-01-2004, 03:18 PM   #2
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also looking for a cab for a 1972 GMC non ac, manual tranny somewhere close to washington state.
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Old 02-01-2004, 04:06 PM   #3
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HEY, NOT SURE WHAT UR NOISE IS BUT IT DON'T SOUND LIKE
UR GONNA WANT HEAR ANY OF MOST PEOPLES ANSWERS.

LIFTERS ? / RODS ? / LOTS OF POSSIBILITYS ???

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Old 02-01-2004, 05:02 PM   #4
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So it doesn't make the noise when it's still cold?? Had a broken rocker arm on a small block once that sounded like the end of the world, but definately made noise cold or hot. Was a 'clacking' sort of sound too. I'd start by taking off the valve covers and givin it the visual inspection. Good Luck!
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Old 02-01-2004, 11:23 PM   #5
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took the valve covers off today not nothing I can see wrong I am thinking of replacing the engine with a new crate motor. Pretty frustrating. I think the guy that helped me overhaul didnt know what he was doing. Not giving up on the truck yet thats for sure. thanks for the answers. Anything is much appreciated.
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Old 02-01-2004, 11:25 PM   #6
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found what I needed for truck thanks.
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Old 02-02-2004, 10:23 PM   #7
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Question

Just curious. What was the problem??
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Old 02-02-2004, 10:31 PM   #8
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CURIOUSITY IS KILLIN MY ***** KAT, WHAT WAS IT ???
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Old 02-08-2004, 12:29 AM   #9
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Angry



Still havent figured it out, isolated the problem to the rods or pistons.
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Old 02-08-2004, 10:37 AM   #10
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If its a double clack its a wrist pin if single maybe a piston skirt. I have a motor with a broken piston skirt and its very anoying to everybody, it started about 8000 mile ago. Pull 1 plug wire at a time to figure which cylinder then forget about it till you get your crate motor.
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