94 explorer tranny problem
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Freshman User
Joined: Jan 2005
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Successfully replaced vacuum modulator. Old modulator was allowing tranny fluid to get past it. Seems to run slightly better, but still need to let off the gas in order for it to upshift. Any other suggestions?
Senior User
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It may seem pretty basic but make sure that your transmission fluid level is OK before assuming it's something more serious. The procedure for checking levels (properly) can be found in the Haynes manual.
The AutoZone site has e-manuals (based on Chilton?) if you don't have a Haynes and there may be information there.
There is more to checking transmission fluid level (properly) than just pulling a dipstick.
The AutoZone site has e-manuals (based on Chilton?) if you don't have a Haynes and there may be information there.
There is more to checking transmission fluid level (properly) than just pulling a dipstick.
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Joined: Jan 2004
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Also...while I think about it...
Have you changed your filter, gasket and fluid lately?
$20.00 for a filter kit (buy a Motorcraft), $20.00 for fluid and 1/2 hour under your truck is a small investment before you trouble shoot further.
Have you changed your filter, gasket and fluid lately?
$20.00 for a filter kit (buy a Motorcraft), $20.00 for fluid and 1/2 hour under your truck is a small investment before you trouble shoot further.
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That's really the extent of my transmission experiences (just the basics and tranny swaps).
Transmission work is voodoo work. They seem to have ghosts and gremlins in there (all of them!).
Some of the other guys have extensive experiences with transmissions and could suggest if a rebuild is necessary. Apparently it's not too hard to do even for a DIY.
Good luck!
Transmission work is voodoo work. They seem to have ghosts and gremlins in there (all of them!).
Some of the other guys have extensive experiences with transmissions and could suggest if a rebuild is necessary. Apparently it's not too hard to do even for a DIY.
Good luck!
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Joined: Feb 2005
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Governor
I have a 1994 (110,000 miles) explorer that had what seems to be the exact same problem. Would not up shift until the tranny warmed up unless you revved the engine past 3,000 or 4,000 rpms and left off the gas abruptly. 1st thing I thought of was the modulator but it turned out to be a gummed up sticky governor because the previous owners never changed the trans fluid. I put a can of trans cleaner in with new fluid and filter and over a 2 day period the problem went away. About a week later I replaced the trans fluid again and it has been fine for the last 9,000 miles. I found that tip on the web......
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