W126

84 300sd Throttle Linkage Adjustment

Does anyone have any tips on how to adjust the throttle linkages on a 300sd? I messed up the tie rod that sets the idle the last time I removed the VC to adjust the valves, I want to bring it back down. While I'm at it, I'm hoping to find out what all the other linkages on the valve cover do and see if I can give the car a little "tune up". The tranny hasn't been shifting quite right after I messed up the idle too.

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84 300SD Vacuum Question

Hi, I recently noticed that my transmission was having one of those downshifting noise when coming to a stop. I Checked this great site and found out that it was a vacuum leak issue. I checked the engine for any thing unusual and I found the vacuum line connected to the green "port?" was indeed disconnected. Connected it back and the tranny had the downshifting issue for while but goes away eventually. Drove the car today and I noticed that the downshifting "clunk" only happens when the engine is cold but shifts fine after the engine is warm.

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81 300SD transmission seals are leaking ??

My transmission has developed a leak at the front seal. How difficult a job is it to perform as a DIYer? What other seals should be replaced at the same time? If out of the range of DIYer, what would be an estimation of how much professionals would charge? Is this something one could expect a local Aamco could perform correctly? Thank you in advance for your response.

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