It could be your throw out bearing. You mentioned that you get it
when you shift gears but that it goes away when you give it gas. This
would indicate that when you take your foot off the clutch that the noise
stops, which is what happens with a worn throw out bearing.
...Art
On Tue, 5 May 1998, Tim Richardson wrote:
> Hi Folks,
>
> Here's my latest problem in the 78B saga:
>
> I timed the car this weekend (10 degrees BTDC). It had been set somewhere
>between 25 and 35 degrees BTDC. At the same time, I reconnected the hose from
>the oil separator/ flame trap to the carb. and also the hose from the fuel
>tank to the vapor separator and from that to the canister line, located in the
>trunk.
>
> Here's the problem. Since doing this, I have developed a new noise in the
>car. As I accelerate, everything is fine, but when I let off of the gas, I
>get a high frequency squeal from under the hood. When I apply gas or take the
>car out of gear, the noise stops. As I shift gears, I hear this very loud
>noise and it goes away as I apply the gas once more. The car seems to run
>fine except for the noise. I suspect that I have a vacuum leak, but I'm
>looking for advice from wiser MG owners.
>
> Does anyone have an idea what this might be?
>
> Thanks for your help,
>
> Tim
>
> 78B Beautiful, but under construction
>
>
>
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