1999 Mercury Sable transmission problem

Tiny
BYLLH74
  • MEMBER
  • 1999 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
Hi, I have a 1999 mercury sable and just noticed that when im stopped at a light or stop sign, my transmission wont do anything. I take my foot off the brake and its like im in neutral. Then it jerks when I tap the gas and my car finally gets in gear after a few seconds. I just changed my fluid and filter and no help. It does shift really smooth when going into second, third, and forth. Any help would be greatly appricated.

Bill
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Wednesday, April 1st, 2009 AT 8:37 PM

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Tiny
JGAROFALO
  • MEMBER
When you changed the fluid, did you notice anything unusual about the fluid? Color, smell, etc?
It should have been still reddish with just an oily and/or varnish smell to it - but not any burned smell.

Your transmission is exhibiting the symptoms of a cracked forward clutch piston. This problem can also be caused by a sticking valve in the valve body - although that is less likely.
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Thursday, April 2nd, 2009 AT 7:57 AM
Tiny
BYLLH74
  • MEMBER
When I changed my fluid, it was a brownish color and smelled kinda dirty and burnt. Is this basically needing a new transmission or is it something that can be rebuilt?

Thank you, you guys are the best
Bill
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Thursday, April 2nd, 2009 AT 8:38 AM
Tiny
JGAROFALO
  • MEMBER
At this point, a rebuild would be the best option. It sounds like the problem has not progressed to the point of major damage internally, so rebuild would entail a set of clutches and seals along with a forward clutch piston and a converter flush.

Geberally, when I am working on transmissions over a few years old, I get a used one, and freshen it up with a kit, and then swap them out. This keeps the car from being disabled for the shortest time.
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Thursday, April 2nd, 2009 AT 5:20 PM
Tiny
BYLLH74
  • MEMBER
Thank you my friend for your time and help. I will look at getting a low mile transmission and rebuild it and then do a swap.
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Thursday, April 2nd, 2009 AT 6:49 PM

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