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10-11-2004, 08:03 AM | #1 |
Registered User
Join Date: Dec 2003
Location: CT
Posts: 454
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Truck hops when pulling a heavy load
Thought I would try posting here, I've got an 85 1/2 ton lwb, 305, SM465, 10 bolt 2:37 gears. I was pulling the boat home (probably 6800 lbs with trailer), and every time I tried to move from a stop, the whole truck would hop around until I got moving. I was talking to a guy at the boat ramp who noticed it and said something about the rear end. I was wondering if there is something I could do to help this.
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10-11-2004, 08:42 AM | #2 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Is it like clutch chatter,or something different? Could be the clutch getting weak.2.37 gears aren't goingto help much in the towing field either.
I'm thinking the clutch is needing changed
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10-11-2004, 10:35 AM | #3 |
Registered User
Join Date: Dec 2003
Location: CT
Posts: 454
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I don't think it's clutch chatter, it did the same thing when I replaced the clutch a couple of years ago. I know the 2:73 gears don't help, but I thought the granny gear of 6.55:1 would compensate to get me moving. It's hard to describe the "hop", kind of like the back end bounces up and down. I also notice it does this in reverse even when not towing.
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10-11-2004, 11:06 AM | #4 |
Registered User
Join Date: Apr 2004
Location: arkieland
Posts: 1,070
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Check u-joints & slip yokes for slack/binding. Brian
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10-11-2004, 04:18 PM | #5 |
just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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I would look at the motor mounts and the trans mount too...
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