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Question:

1991 Mercedes SL500 transmission skips?

Hello, I have a 1991 500SL that comes with a 4 gear auto transmission with a standard second gear start. Under full throttle the transmission downshifts to 1st gear and stays until redline then it upshifts to 2nd and then upshifts pre-maturely again to third. It‘s like 2nd gear is almost skipped, it‘s a very swift upshift from 2nd to 3rd that the engine takes time in order to cover the missed out power/speed needed to be acheived in 2nd before upshifting to 3rd. Also when in 1st gear and under full throttle, the engine‘s revving sounds louder than the actual acceleration rate of the car. Oh and I‘d like to add that occasionally the gears won‘t change when shifting from D to 3,2,B. unless shifted back and forth again from D to B (which is 1st gear). What can I do to fix this problem

Answer:

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Sounds like you are overworking the transmission. Unless you want more problems I would suggest that you stop. I don't think that it needs to be rebuilt or have anything added to it except for maybe some approved trans fluid
Depending on mileage, I'd suggest you start with a full transmission service, including a power fluid change. This would involve the use of a machine which can suck the fluid out of your torque converter as well as drain your transmission body, then circulate clean fluid under pressure to remove wear particles and debris from your valve body (in the case of hydraulically controlled transmissions). Filters are changed, band type transmissions may have their drive bands inspected and adjusted if need be, the pan seal is replaced, and the transmission is refilled with clean fluid. Drive it 500 miles after such a service, to give the new fluid time to clean and recondition friction clutch linings. If after that, you still feel shifting problems, you're in for more extensive troubleshooting and repairs.
Do you mean real magnesium wheels? They're extremely expensive, extremely flammable, and extremely rare.
complex task. lookup in yahoo. this will help!

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