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DiscoWeb Bulletin Board » Message Archives » 2003 Archives - Discovery Technical » Archive through September 03, 2003 » D1 Automatic Transmission not shifting « Previous Next »

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Steven Shochat (Drsteve744)
New Member
Username: Drsteve744

Post Number: 1
Registered: 08-2003
Posted on Sunday, August 31, 2003 - 03:23 am:   Edit Post Delete Post Print Post

It started with an apparent downshift at 50 mph, rpm surge and engine braking. It seemd as though I was running in 2nd gear, although the lever was still pointed to "D". It was intermittant at first, occasionally upshifting to 3rd or D, but by the second day, all I have is 2nd gear. No noises, crunching of parts, squealing, tin can rattling. Just no high gears. Could it be a sensor of some sort, or a Vacuum line? Am I looking at a New ? At 90.000 miles? thanks for the help . . .
 

Robert Sublett (Rubisco98)
Senior Member
Username: Rubisco98

Post Number: 1014
Registered: 04-2002
Posted on Sunday, August 31, 2003 - 07:20 am:   Edit Post Delete Post Print Post

Have you ever serviced the transmission? Check your fluid level when you truck is idling and cold in neutral (parking brake on). What does the fluid look like? I would suggest doing the filter and fluid change. Also, unless you enjoy aggravation, I would suggest letting someone else do it. It was no fun. If you decide to do this yourself, and need any questions answered, feel free to ask me. I just went through it a few weeks ago. Good luck. RS

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