e4od shifting problem again
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e4od shifting problem again
so i replaced my nuetral safety switch on my truck after my transmission wasnt shifting out of first. now whne you put it in drive, it starts in first then goes to second... and it stays in second, and doesnt go to third. it feels like it wants to but it doesnt. it jsut winds out in second. i had a post awhile ago about already replacing the tranny, and having this exact same problem witht he last one. i replace it and this **** happens again. please help. if you have any ideas please let me know, i already took it to a tranny shop and they said there was nothin electrical.
if it is int he valve body... is it hard to drop the vavle body and "clean" it?
thank ahead of time for the advice
if it is int he valve body... is it hard to drop the vavle body and "clean" it?
thank ahead of time for the advice
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
the neutral safety switch has nothing to do with the truck shifting out of first, it only job is to allow the vehicle to start in park and neutral.
did you adjust linkage, and check the electrical connection to the transmission range sensor and the tr sensor itself, that shifts truck?
did you adjust linkage, and check the electrical connection to the transmission range sensor and the tr sensor itself, that shifts truck?
Last edited by quicklook2; Apr 2, 2006 at 04:46 PM.
Postmaster
Joined: Aug 2004
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From: West Mansfield, Ohio
Wait a minute. Was the nuetral safety switch about 50 bucks? If thats the case, it's also known as the MLPS (Manual lever position sensor).
I guess it would help if you gave us the year of the truck and what engine, and the transmission code on the door tag.
I guess it would help if you gave us the year of the truck and what engine, and the transmission code on the door tag.
Postmaster
Joined: Aug 2004
Posts: 2,908
Likes: 2
From: West Mansfield, Ohio
Alrighty, now we're getting somewhere!
That sensor tells the computer what gear your in, and allows it to adjust line pressure inside the transmission judging by what gear its in (thanks to the MLPS), and also by the TPS (Throttle positon sensor.) The harder your foot is in the gas, the harder it shifts.
Have you been mud running or been through water lately? Mine shorted out when I went mud running, and it wouldn't shift out of 2nd. I pulled the sensor off and cleaned it up and then it worked fine after that.
I would either clean it and see if that does the trick, or have it tested at a tranny shop, and if it's bad, replace it.
That sensor tells the computer what gear your in, and allows it to adjust line pressure inside the transmission judging by what gear its in (thanks to the MLPS), and also by the TPS (Throttle positon sensor.) The harder your foot is in the gas, the harder it shifts.
Have you been mud running or been through water lately? Mine shorted out when I went mud running, and it wouldn't shift out of 2nd. I pulled the sensor off and cleaned it up and then it worked fine after that.
I would either clean it and see if that does the trick, or have it tested at a tranny shop, and if it's bad, replace it.
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
handyman, doesnt the mlps need to be adjusted after it is put on trans?
i am not near my manuals.
i am not near my manuals.
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Postmaster
Joined: Aug 2004
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From: West Mansfield, Ohio
No it sure doesnt. As long as it fits back around the shaft and you got the bolts in, it's been adjusted. I do believe that when it's installed, you have to have the trans in nuetral, and the sensor has to be in the "nuetral" position (it should be marked on the sensor.)
Now as far as the AOD transmission, the TV cable does require adjustments.
Now as far as the AOD transmission, the TV cable does require adjustments.
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thank youa ll for allt his info...im still trying to understand where alll these sesnoors are on the vehicle so i can inspect them, primarily the throttle position sensor and the transmission speed sensor...if they are not the same thing
Post Fiend
Joined: May 2004
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From: Lakewood, Ohio
tps, throttle position switch is on the side of the throttle body.
vss, vehicle speed sensor is on top of rearend in a 94. it tells the vehicle how fast it is going, and the computer uses that for a lot of things including the transmission. also the abs works of this sensor.
you need to get yourself a manual to really help yourself out.
vss, vehicle speed sensor is on top of rearend in a 94. it tells the vehicle how fast it is going, and the computer uses that for a lot of things including the transmission. also the abs works of this sensor.
you need to get yourself a manual to really help yourself out.
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thank you very much quicklook, that finally answered my question. now that i think about it... the breather hose off of my rear end is cut and clogged with dirt... could htis be a problem for my vss not to work correctly?
by the way... i have a haynes, but its in my truck and my truck isnt here so i couldnt find out where it was... but thank you for being patient with me
by the way... i have a haynes, but its in my truck and my truck isnt here so i couldnt find out where it was... but thank you for being patient with me