Cold tranny.
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Senior User
Joined: Feb 2003
Posts: 106
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From: New Jersey
Cold tranny.
I did a transmission fluid/filter change on my wife's 96 Explore (4.0 Auto with O/D) one summer, but the problem didn't arise until the weather got cold.
One morning when the temp. 1st got down to the 30's, she backed out of the driveway OK, but ended up sitting in the street for a few seconds until it would move after putting it into drive.
Once driven it was fine, and this only seemed to happen after the truck sat overnight. I rechecked the fluid level and it was fine.
This happened a few more times until I had a chance to look at it.
Since this never happened before I did the service, the only thing I could think to do was to do it again.
Once I did, this problem never happened again. The only thing I could think of is maybe the filter wasn't fully seated up into the valve body. But why did the problem only happen after it got cold?
Both services were done with the same brand filter and fluid.
One morning when the temp. 1st got down to the 30's, she backed out of the driveway OK, but ended up sitting in the street for a few seconds until it would move after putting it into drive.
Once driven it was fine, and this only seemed to happen after the truck sat overnight. I rechecked the fluid level and it was fine.
This happened a few more times until I had a chance to look at it.
Since this never happened before I did the service, the only thing I could think to do was to do it again.
Once I did, this problem never happened again. The only thing I could think of is maybe the filter wasn't fully seated up into the valve body. But why did the problem only happen after it got cold?
Both services were done with the same brand filter and fluid.
Postmaster
Joined: Mar 2001
Posts: 4,968
Likes: 3
From: So Cal
Cold tranny.
A guess is that when cold the fluid is harder to suck up through the filter, and if the filter is loose, the loss of vacuum may be too much to overcome the thickness. Think slurping a shake thru a straw, when cold it is hard to to get any up the straw.
Just a guess,
Jim Henderson
Just a guess,
Jim Henderson
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