thud from transmission

Jan 14, 2008 | 07:45 PM

jonnyoutram

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merc 126 500 sec 1984

thud from transmission

anyone know what is happening when occasionally you get a it of a thud and jerk from the ca changing gear, its only when your driving a bit harder than usual, as if the gear box sort of takes time to catch up with the cars momentum and then thuds as the gear engages??

any ideas..

sorry for posting so much... i'm just having so many problems....

thanks

Jan 20, 2008 | 02:51 PM

jhodg5kc

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From: Atlanta, GA

Quite a few:)

when was the trans serviced last? Correct fluid level? What shape are your flex discs?

Jonathan

Jan 21, 2008 | 09:36 PM

jonnyoutram

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merc 126 500 sec 1984

Quote:

Originally Posted by jhodg5kc

when was the trans serviced last? Correct fluid level? What shape are your flex discs?

Jonathan

just changed oil and filter on the box... where do i find these flex disks?

Jan 21, 2008 | 10:27 PM

jhodg5kc

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From: Atlanta, GA

Quite a few:)

The large rubber disc @ the rear of the transmission, connecting it to the drive shaft, as well as one @ connecting the drive shaft to the differential.

Jonathan

Jan 23, 2008 | 08:47 PM

jonnyoutram

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merc 126 500 sec 1984

Quote:

Originally Posted by jhodg5kc

The large rubber disc @ the rear of the transmission, connecting it to the drive shaft, as well as one @ connecting the drive shaft to the differential.

Jonathan

cool thanks i will check them, i know what u mean i think my mum's old bmw just had that done.. thanks dude

Feb 20, 2008 | 09:52 AM

cruiser

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1985 380SE

Just to add my 2 cents.... I thought there might be a problem with my transmission when I first got the car as I was not used to the heavy, delayed shift. It is, as you describe, as if you have to wait for the shift and then the car lurches into gear. I can prevent it if I take my foot of the gas and let the transmission shift. In fact if you accelerate slowly it can be very smooth. I had it checked and was told that the transmission is healthy and that this is normal for my car. I was happy to learn that I would not need a repair and I am no longer worried about the transmission failing during acceleration.