04-12-2014, 02:10 PM | #1 |
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96 C2500 rumble
I have a 96 c2500 Suburban 7.4
I have only had this vehicle a few months. There is the slight rumble until you hit 55. Then its very pronounced. Vibration is still there weather you are coasting , excellerating or even in natural. I have new tires. Replaced u joints. Inspected rear end and installed new oil. New filter and oil in trans. Any ideas on what is causing this?
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1993 Chevy C3500 Crew Cab Dually 1989 Cheyenne C1500 |
04-12-2014, 03:04 PM | #2 |
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Re: 96 C2500 rumble
Did you check the carrier bearing between the two drive shafts?
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1991 R3500 3+3 C+C 6.2/4l80e/14ff Fleetside Dually 1992 K2500 ECLB 5.7/4l80e/14sf(g80) 8600gvwr 1991 CR500 (95 Burb wouldn't stop catching fire ) |
04-12-2014, 03:10 PM | #3 |
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Re: 96 C2500 rumble
Doesn't have one. It has a one piece aluminum drive shaft.
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1993 Chevy C3500 Crew Cab Dually 1989 Cheyenne C1500 |
04-12-2014, 03:31 PM | #4 |
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Re: 96 C2500 rumble
Hmm.. well hopefully someone who has more ideas will show up soon.
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1991 R3500 3+3 C+C 6.2/4l80e/14ff Fleetside Dually 1992 K2500 ECLB 5.7/4l80e/14sf(g80) 8600gvwr 1991 CR500 (95 Burb wouldn't stop catching fire ) |
04-13-2014, 02:29 AM | #5 |
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Re: 96 C2500 rumble
Thanks for trying Cabnchassis ....
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1993 Chevy C3500 Crew Cab Dually 1989 Cheyenne C1500 |
04-18-2014, 12:12 PM | #6 |
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Re: 96 C2500 rumble
Bump.
Did you ever get anywhere on this?
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1991 R3500 3+3 C+C 6.2/4l80e/14ff Fleetside Dually 1992 K2500 ECLB 5.7/4l80e/14sf(g80) 8600gvwr 1991 CR500 (95 Burb wouldn't stop catching fire ) |
04-18-2014, 12:24 PM | #7 |
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Re: 96 C2500 rumble
Maybe ?
Apparently the aluminum driveshafts had a carbon fiber wrap around them. It seems that mine came off at some point. Talked to two shops that deals with these. The small shop guy says that its no good and he can build me a steel shaft but wont quote a price. The bigger shop says that its still good but needs rebalanced. So Monday morning im taking it to the bigger shop. I will post the results....
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1993 Chevy C3500 Crew Cab Dually 1989 Cheyenne C1500 |
04-27-2014, 12:54 PM | #8 |
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Re: 96 C2500 rumble
So I have installed the driveshaft and bushing. Rumble is still there but not as bad. So it is still related to vehicle speed. The pinion bearing seems ok but maybe there is a bad spot. I think I need to tear into that next.
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1993 Chevy C3500 Crew Cab Dually 1989 Cheyenne C1500 |
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