Bronco Trannys suck!
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Junior User
Joined: Jun 2002
Posts: 68
Likes: 0
From: Salt Lake
Bronco Trannys suck!
I have a 92' bronco e4od. My tranny was jumping in and out of gear (mostly overdrive) so I had my tranny completely rebuilt last summer. Now it's doing it again. what could be wrong? Electronics? Who makes a good replacement for the stock tranny?
Lead Driver
Joined: Sep 2002
Posts: 9,182
Likes: 12
From: Gateway to the West
Bronco Trannys suck!
Have you got a stop lamp burned out? High mount or one of the other two?
If so, replace it, disconnect the battery for about five minutes then reconnect it and go driving for a while.
If so, replace it, disconnect the battery for about five minutes then reconnect it and go driving for a while.
Last edited by greystreak92; May 15, 2003 at 06:14 PM.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Bronco Trannys suck!
See if the wiring to the O/D kill switch on the shift lever is damaged. Have you pulled the codes?
Fleet Mechanic
Joined: Aug 2001
Posts: 1,526
Likes: 0
From: Round Rock, TX
Bronco Trannys suck!
I'm getting an MLPS code, although I'm not experiencing symptoms that other people see with a bad MLPS. Was it a cheap/easy replacement, and what symptoms did it correct when you replaced it?
Senior User
Joined: Oct 2002
Posts: 157
Likes: 0
From: Vermont, USA
Bronco Trannys suck!
Just get a manuel transmission. My tranny never shifts when I don't want it to. (j/k)
Good luck fixing your problem.
Good luck fixing your problem.
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Freshman User
Joined: Sep 2002
Posts: 34
Likes: 0
Bronco Trannys suck!
At first, I thought the trans was slipping. Checked the fluid, color, smell - all OK.
Took it to an independent shop that had a heck of a reputation and the tech said no codes. So I told him to ake it home and drive it around. He did so with a monitor attached.
Next day he said it was fine, the MLPS needed to be replaced. It is a glorified neutral start switch that had loosened up. The computer thought it was getting the signal to go from OD to 2nd downshift.
It not only fixed that, but the soft shift qualities and the somewhat loose shift lever.
The diagnostic, part and labor was $157.00.
Took it to an independent shop that had a heck of a reputation and the tech said no codes. So I told him to ake it home and drive it around. He did so with a monitor attached.
Next day he said it was fine, the MLPS needed to be replaced. It is a glorified neutral start switch that had loosened up. The computer thought it was getting the signal to go from OD to 2nd downshift.
It not only fixed that, but the soft shift qualities and the somewhat loose shift lever.
The diagnostic, part and labor was $157.00.
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Freshman User
Joined: Sep 2002
Posts: 34
Likes: 0
Bronco Trannys suck!
Sudsrat,
Believe me, I wasn't expecting it.
When I first got my Bronco, I thought the shifts were way too smooth and slow, especially at 3/4 throttle. I have had shift kits in my GM transmissions and also installed adjustable vacuum modulators so I am accustomed to firm shifts. My new Chrysler Concord has a firm shift too, especially for a factory program.
Anyway, not long after I got the Bronco, I found FTE and noticed many comments about the mushy shifts. Seemed either a chip or a shift kit (but not both!) would be the cure.
Then, my trans started to "slip" (OD to 2nd gear, actually). After the new MLPS was installed, there was a most definite and noticeable improvement in shift quality. I think it is still a tad soft, but it firmed up quite a bit.
I have no idea why that would be unless it is something like the MLPS was not giving consistent signals to the computer.
Believe me, I wasn't expecting it.
When I first got my Bronco, I thought the shifts were way too smooth and slow, especially at 3/4 throttle. I have had shift kits in my GM transmissions and also installed adjustable vacuum modulators so I am accustomed to firm shifts. My new Chrysler Concord has a firm shift too, especially for a factory program.
Anyway, not long after I got the Bronco, I found FTE and noticed many comments about the mushy shifts. Seemed either a chip or a shift kit (but not both!) would be the cure.
Then, my trans started to "slip" (OD to 2nd gear, actually). After the new MLPS was installed, there was a most definite and noticeable improvement in shift quality. I think it is still a tad soft, but it firmed up quite a bit.
I have no idea why that would be unless it is something like the MLPS was not giving consistent signals to the computer.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Bronco Trannys suck!
It's just a glorified Neutral Safety Switch on the L side of the transmission where the shift lever is, like always. Make sure the trans is in Neutral before you start working - that's where the alignment mark is.
