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MG TD TF 1500 - muffler rattle

My TD has just developed an unusual rattling sound that soungs like it is coming from under the passenger floor. It only occurs when the cars is slowing down with pressure on the gears, as when coming to a stop or going down a hill with the foot off the gas. I don't think it is the transmission as pushing in the clutch does not stop it immediately. Could it be a loose baffle in the muffler?
N. Oakley

I had a simlar rattling sound recently and like you I initially thought that it was the transmission. However it turned out that the drive cable to the speedometer had shifted and was rattling against the chassis. It was more prominent at low speed.
If it is a baffle in the muffler you would hear this even when you were statioary.
Hope this helps.
Mick
Mick Cook

have you ruled out the remote shift assembly? regards, tom
tom peterson

Maybe give the exhaust system a shake to see if it is touching something.

Cheers,
Matthew.
Matthew Magilton

I had a 77 midget that had a loud rattle rumble vibration when I first got it. The noise/vibration was the most obvious when you let off the gas. I took it to a local shop and they thought it might be the manifold pipe hitting something and after inserting an 8 foot bar up beside the header pipe and giving it a big yank it did have a manifold problem. They broke it clean off the engine! So after finding a replacement manifold and then paying them to install it (I was young and dumb) the noise and vibration was still there.
Finally took it to a guy who specialized in foreign cars and he immediatiley saw it was a broken motor mount causing all the problems.
So...I would check all the mounts.

Regards,
Rich
Richard Taylor

This thread was discussed between 13/05/2010 and 14/05/2010

MG TD TF 1500 index

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