91 GW with clanking noise while in gear - JeepForum.com
 
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post #1 of 5 Old 03-17-2013, 03:54 AM Thread Starter
Macpsk
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1991 FSJ Wagoneer 
 
Join Date: Jul 2011
Location: San Francisco
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91 GW with clanking noise while in gear

my '91 grand wagoneer often has a clanking noise under the hood whenever i first start her up and put her in gear (happens in Drive or Reverse). it doesn't happen in Neutral. also, the clanking noise speeds up when i accelerate and slows down when i decelerate. while in gear at idle, the clanking noise seems to repeat about once a second.

unfortunately, i can't get under the truck to check for the noise while i'm in gear.

anyone got any ideas of what could be causing this clanking noise? any ideas on how i can try to pinpoint where the noise is coming from?

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post #2 of 5 Old 03-17-2013, 07:53 AM
RockRollin
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1990 FSJ Wagoneer 
 
Join Date: Apr 2012
Location: Grand Haven Mi
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How is the oil pressure? Its hard to diagnose "clanking" has the starter been replaced lately, checked the flywheel, and torque converter bolts? Exhaust leak?

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post #3 of 5 Old 03-17-2013, 08:29 AM
WOLFMAN75
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1989 FSJ Wagoneer 
 
Join Date: Aug 2012
Location: NEWNAN
Posts: 7
Sounds funny, but make sure hub caps are secure. I was getting rattle from those, will rattle whether its in gear or not.
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post #4 of 5 Old 03-17-2013, 09:57 AM
revelc
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1985 FSJ Wagoneer 
 
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Location: Tyler
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Check your drive shaft u-joints.

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post #5 of 5 Old 03-17-2013, 12:48 PM
super98lsc
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1999 WJ 
 
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if you blip the throttle in park or neutral does it sound ok? X2 on checking converter bolts, and motor mounts. Get someone to pop in gear that you trust w your life and listen under it. Could be something in the trans or converter assuming the engine and faceplate are good. A rod bearing will hammer under load but also if you rev it by blipping the throttle.

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banging , grand wagoneer , in gear , noise , rattling

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