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Re: gearbox troubles, slip, hesitation Posted by Larry West [Email]  (#1140)  [Profile/Gallery]
(more from Larry West) on Tue, 3 Aug 2010 05:58:37
In Reply to: gearbox troubles, slip, hesitation, Leo, Mon, 2 Aug 2010 13:27:37 Members do not see ads below this line. - Help Keep This Site Online - Signup |
First thing to do is spend some money, and get 12 quarts of fresh auto transmission fluid (DEXRON III Compatible, NOT 3309, NOT DEXRON VI, NOT Synthetic...) and flush the transmission.
Drain the fluid into a pan, then top up with an equal amount of fresh. The whole trans holds something like 11 quarts, but you never get more than about 3 out. (you might want to invest in a bunch of trans drain plug washers from a site sponsor)
Drive the car anywhere between 5-20 miles. Gets the transmission up to temp, and gets the fluid flowing.
Repeat.
Repeat again.
Repeat a third time... Make sure the level is right on the dipstick (follow the instructions in the owner's manual).
By this time, you've refreshed more than 70% of the fluid. This can cure a lot of symptoms like you are having. It's no cure for very worn parts, but if it's just tired old fluid, it can help a great deal.
Every other oil change, then, repeat the trans drain & fill one time (i.e. not the full 12-quart flush).
Don't use a "quick flush" place! Draining as I described helps to remove contaminants that settle to the bottom of the sump. Quick flushes often just distribute the gunk throughout the trans, NOT what you want.
I did this a few months ago on my bear-killer 1999 LPT. The fluid came out almost brown the first time, by the last flush, it was coming out clear and pink, like it should.
Have to do this on my new-to-me 2000 SE soon... Which, had its trans replaced earlier this year (before I bought it) at less than 90k. Thumbing through the records the PO provided, I spotted at least one "trans flush" receipt from before the swap, and it seemed to indicate use of a machine flush...
_______________________________________ Current: 2002 9-5 Aero Kombi Cosmic Blue 2000 9-5 SE sedan, Imola Red 1990 900S Rose Quartz, Auto Past: 1999 9-5 LPT Combi 1999 9-5 LPT sedan 2002 9-5 Arc 1990 900 5-speed 1986 900 turbo Convertible 1991 9000 turbo 1980 99 GLi 1986 900 turbo 1986 900 S 1991 900 turbo 1984 900 turbo 1976 99 GL
, Tue, 3 Aug 2010 05:58:37 <-- Viewing This Message
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