nitink

Today I am heart broken. I recently changed TPS and there is no voltage on TPS pin1. Today Automatic Transmission is slipping badly in 2ed gear. Is there any electrical circuit which control gear shifting which I can cause slipping gears? If I don't shift too much Car runs very well, probably 2ed gear is also fine at low temperatures, but as temp builds up 2ed gear start acting up.

Is there anything I can try to extend tranny's life for another 10-12K miles. Transmission oil is clear, I added 1/2 pint of seafoam trans tune to it about 500miles back.

njmaxseltd

iTrader: (19)

Auto or Manual tranny?

nitink

Its Automatic

nitink

Any AT expert please advice

Cdg2125

iTrader: (7)

nope. If the gear is slipping then it will die. Slipping means the teeth are wearing out. The teeth don't grow back...if 2nd is slipping because of clutch plates than it's gone. Go to a shop to have it diag. It could be a solenoid problem or it could be a clutch plate or so forth. You need an expert to see what the problem actually is before you judge if it's gone or not.

mikem29ss

Slipping in any gear is bad, and if it does happen to be a simple fix (IE valve body or electrical malfunction), driving it and additives won't help. Take it to a place that can diagnose it properly before you do burn it out. Sometimes it may be something as simple as an adjustment (line pressure is electronically controlled and used TPS as part of it's data input) or a solenoid that is not working properly. Clutch packs do not burn out w/o a reason, and that reason is usually something like a failing electrical part of valve body malf. Don't drive it much and especially hard, if you want to give the trans hope.

moogotzskillz2

I thought if the TPS is not right it could cause the car to slip or not shift right...

I had an experince wit my ex girl mazda protege, i took out the TPS out to clean it and stuff and put it back in wrong. and then i didt know tell i drove it and all of a sudden the car doest wanna shift til redline.. SO i replaced it then it work'd..

Cdg2125

iTrader: (7)

Hence why I'm saying he needs an expert opinion...if the car only slips in 2nd is probably not because the tps. Not shifting till redline is different than slipping. If the car goes all the way up to redline and shifts then maybe tps. If it goes to shift at any rpm then revs up before the shift, it's slipping. The car needs to be diagnosed so you can see what is actually wrong.

nitink

Thanks everyone.
transmission shifts fine when its cold, only when transmission oil heats up then shift time increases and 2-3 starts slipping.

Is there anything I can check my self. Shops around here are painfully expensive and mostly ripoffs.

Cdg2125

iTrader: (7)

I still think you should have it tested by a shop. But you can try a tranny cooler. See is that helps. I'll be adding one after my tranny is rebuilt.