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Old 04-26-2011, 09:22 PM
MikeCzipri MikeCzipri is offline
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Join Date: Apr 2011
Posts: 1
Default Auto trans shifting hard

Hello all- first post- it's related to my mother's truck. It is a 2002 Ranger 3.0L auto trans long bed base model.

The trans shifts pretty hard, not in any specific gear. It downshifts hard, it upshifts hard, just generally shifts hard.

I have done some research on this, and have read some about a valve body gasket or something like that...any ideas what might be causing the hard shifts? It only does it when under hard or full throttle, when I'm just cruising it seems to shift pretty smoothly.

Any ideas? I'm pretty handy when it comes to car stuff, and do work on my Dakota (don't get too upset lol) and have done trans fluid changes, etc on my truck and am pretty good at this stuff so I am hoping there is a relatively easy fix that wont cost her a fortune? Any ideas?

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Old 04-28-2011, 07:56 PM
FX4OR FX4OR is offline
Ford Tough
Join Date: Dec 2010
Posts: 417
Default Re: Auto trans shifting hard

it does that for a reason, to get where it needs to be quicker when the computer sees that it's under a load.

you can disconnect the battery cables overnight, and reconnect them in the morning. drive the truck smoothly and with a light foot for the next few days, and the tranny will relearn its shift strategy based upon how you drive it. that might help smooth it out some.
2002 Ranger FX4
4.0L SOHC, 5R55E Auto, 4.10 8.8 Torsen, 31x10.5/15 BFG ATs
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Old 04-28-2011, 08:03 PM
Twisty Twisty is offline
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Join Date: Jun 2009
Posts: 422
Default Re: Auto trans shifting hard

FX40R is right.
It has to shift hard and fast at open throttle. A long, soft shift under full power would spin up the tranny.
2006 4.0 5 spd auto 4x4 Super Cab
BF Goodrich Commercial Traction T/A's
Royal Purple Throughout
Alpine Head Unit with some Infinity Noisy Stuff
NW Oregon
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