In the Mechanical Parlance this is called " flaring " and leads to rapid wearing of the $pendy bit$ inside your slushbox .
First , I'd check the vacuum hoses connected to the primary black plastic vacuum pipe as they're different , one is 0.6 M and t'other is 0.5 M , sounds close but connecting the tranny shifting vacuum hose to the 0.5 M one stopped all the flaring in SWMBO's '82 240D .
The way the vacuum valves work is : as you give it more throttle , it cuts down the vacuum signal to the tranny ~ ideally when the throttle is floored is goes to zero vacuum at the tranny or really close to it
I discovered this basic mistake after I'd paid a long time Indie M-B Mechanic to sort it out ~ he'd made a world of improvement but missed this basic step .
-Nate
Chip wrote:
>
> My 1982 300cd diesel turbo coupe is having slippage issues. If I drive the car very attuned to the shifting, it will walk through the gears without a slip, but if I am not paying attention I will get slipping and the engine trying to rev between shift up's #1 and #2.
>
> I can also really stomp on the throttle and I get perfect shifts all the way up the shift cycle.
>
> I have checked the fluid level and that is all OK. As you may remember, this has been with my shade tree mechanic back in NC so there is a chance I have vacuum shit going on, but I am not sure.
>
> Everything else works great with the car and the engine has never run better. I do have vacuum leaks and the door locks have never worked properly.
>
> So, what's up with the transmission? Any hope this is vacuum related or maybe the modulator valve?
>
> Chip
> Houston
>
No comments:
Post a Comment