loud vibration humming
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Joined: Aug 2014
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loud vibration humming
car vibrates and/or hums loudly when foots on lights on gas, just cruising, between 40-50mph. if I let up of the gas it stops; if I press harder on the gas it stops.
any ideas?
any ideas?
Senior Member
Joined: May 2006
Posts: 581
Likes: 0
From: NY
Car: 00 SSEi / 94 C4
Engine: 231 / 383
Transmission: 4T65E / ZF 6sp
Axle/Gears: 2.93 / Dana 44 3:45
Re: loud vibration humming
this could be many components. balancer, internals. Diff, front end parts. you need to locate the Hum OR vibration. check you front end & diff for play. turn the engine off coast down a hill @ mentioned speed.
Thread Starter
Junior Member
Joined: Aug 2014
Posts: 3
Likes: 0
Senior Member
Joined: May 2006
Posts: 581
Likes: 0
From: NY
Car: 00 SSEi / 94 C4
Engine: 231 / 383
Transmission: 4T65E / ZF 6sp
Axle/Gears: 2.93 / Dana 44 3:45
Re: loud vibration humming
slightly power brake the car. no wheel spin.. you will hear & feel if the trans mount is bad. Also check your drive shaft for play.
Last edited by 88gta3508; Nov 13, 2015 at 11:44 AM.
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