Metallic shudder/rattle on shutoff

Jeepskate98

Jeepskate98

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Joined
May 28, 2020
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61
Location
South Carolina
Ok guys so when I shut off my engine I hear/feel a metallic shudder/rattle coming from the bellhousing... Pressing in the clutch or not does not make much of a difference. It also occurs when the rpms fall below about 1000 ( like when about to stall, or during hard starts). I don’t know if it is clutch or flywheel related, or if it has something to do with the input / output shafts. Its a fairly new clutch and there are no problems shifting gears or anything. Anybody got any ideas?
 
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Jeepskate98 said:
Ok guys so when I shut off my engine I hear/feel a metallic shudder/rattle coming from the bellhousing... Pressing in the clutch or not does not make much of a difference. It also occurs when the rpms fall below about 1000 ( like when about to stall, or during hard starts). I don’t know if it is clutch or flywheel related, or if it has something to do with the input / output shafts. Its a fairly new clutch and there are no problems shifting gears or anything. Anybody got any ideas?
Click to expand...
Loose exhaust possible
 
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Yea, I'd take a good look at the exhaust. Heat shield too. It's a snug fit for the exhaust above the skid plate.
 
Ok, I think I found it... I crawled under the Jeep and found that the catalytic converter is hanging down close enough to contact the skid plate; so when I pull downward with minimum effort on the pipe I can replicate the clunking!!! So I’m guessing that when the rpms fall during shutdown the engine vibrates/twists and bangs the cat against the skid. Great call guys thanks!
 
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