Vibration during acceleration

TTAC2000 · 07-21-2008, 08:01 AM

I have a bad vibration coming from the rear when accelerating, starts at 64 miles per hour and comes out around 83 miles per hour. Had Honda balance and check tires,( looked ok). Anybody have Ideas or has had this problem, no loud or whining noises.

desmo4 · 07-21-2008, 09:31 AM

What yr is the car? Has it been raced? You need to provide more information. It could be a bent wheel, a half shaft, the propeller shaft. If it appears and disappears then something is out of balance and you are feeling a harmonic.

Jonathan

TTAC2000 · 07-21-2008, 09:36 AM

Its an 01, never been raced just turned 81,000. Honda checked for out of round tire and bent rim. nothing there.

Troy

desmo4 · 07-21-2008, 09:58 AM

It could also be the LSD. Check for and looseness in the drive train. Jack up 1 rear wheel (use a jack stand), and release the parking brake. Watch the ujoint on the diff as you gently turn the raised wheel and see if there is any clearance. In my AP1 at 85000, the LSD was done for and the half shaft and propeller shaft cv joints were showing wear. I changed everything. (if the CV joints are bad, buy a new half or propeller shaft, you will save hugh $$ in labor).

Jonathan

07-21-2008, 08:01 AM	#1 (permalink)
TTAC2000 Junior Member Join Date: Jul 2008 Posts: 2	Vibration during acceleration I have a bad vibration coming from the rear when accelerating, starts at 64 miles per hour and comes out around 83 miles per hour. Had Honda balance and check tires,( looked ok). Anybody have Ideas or has had this problem, no loud or whining noises.

07-21-2008, 09:31 AM	#2 (permalink)
desmo4 Senior Member Join Date: Oct 2007 Posts: 544	What yr is the car? Has it been raced? You need to provide more information. It could be a bent wheel, a half shaft, the propeller shaft. If it appears and disappears then something is out of balance and you are feeling a harmonic. Jonathan __________________ MY 2000 Mugen Air box, Headers, Exhaust, ECU, Pressure Plate,LSD, Radiator cap NZ Dampers, Thermo SW and Thermostat. Sampco intake pipe and radiator hoses, Swift sway bars, Stillen rotors w/ M-tech extreme pads. BBS JDM Forged Wheels.w/ Potensa Re=01R's Nextgear Intake manifold gasket, SPA gauges, Alpine IDA-X001,KCE-300Bt BT Adapter, Focal 165 K2P speakers, Phoenix Gold ZX475Ti, Recaro Profi SPG w/Sparco 6 pt

07-21-2008, 09:58 AM	#4 (permalink)
desmo4 Senior Member Join Date: Oct 2007 Posts: 544	It could also be the LSD. Check for and looseness in the drive train. Jack up 1 rear wheel (use a jack stand), and release the parking brake. Watch the ujoint on the diff as you gently turn the raised wheel and see if there is any clearance. In my AP1 at 85000, the LSD was done for and the half shaft and propeller shaft cv joints were showing wear. I changed everything. (if the CV joints are bad, buy a new half or propeller shaft, you will save hugh $$ in labor). Jonathan __________________ MY 2000 Mugen Air box, Headers, Exhaust, ECU, Pressure Plate,LSD, Radiator cap NZ Dampers, Thermo SW and Thermostat. Sampco intake pipe and radiator hoses, Swift sway bars, Stillen rotors w/ M-tech extreme pads. BBS JDM Forged Wheels.w/ Potensa Re=01R's Nextgear Intake manifold gasket, SPA gauges, Alpine IDA-X001,KCE-300Bt BT Adapter, Focal 165 K2P speakers, Phoenix Gold ZX475Ti, Recaro Profi SPG w/Sparco 6 pt

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07-21-2008, 09:36 AM	#3 (permalink)
TTAC2000 Junior Member Join Date: Jul 2008 Posts: 2	Its an 01, never been raced just turned 81,000. Honda checked for out of round tire and bent rim. nothing there. Troy