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97 Altima transmission


bobdino's Avatar
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05-15-03, 02:22 PM   #1  
bobdino
97 Altima transmission

On cold (below 45F) days the transmission hesitates on shifting up. Letting up on the gas pedal helps. Could this be the TPS? Chilton shows only one three lead connector and says the TPS is only OFF or On (not variable). What I'm looking at on the car has two 3 lead connectors. Am I way off base suspecting the TPS? Where else could I look. Everytime I take it to a mechanic, It won't act up.
Thanks for any help.

 
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05-15-03, 04:07 PM   #2  
darrell McCoy
Appears you are on the right track. However, how long since any trans maint, such as fluid change. Joe probably knows, as I am not sure if that veh has a filter or not. How many miles on the veh?

 
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05-15-03, 05:30 PM   #3  
bobdino
Approx. 75k on vehicle now. Fluid was changed at ~35k.
In original post I meant Haynes, not chilton.
I find no mention of a filter in Haynes. Anyone know for certain if there is or not?
As the vehicle is driven the problem dissipates.

It originally started after a long trip on which extensive use of overdrive and cruise control was made.

 
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05-16-03, 06:04 AM   #4  
Joe_F
What's the condition of the fluid? Is it full?

I agree with Darrell. I do not think it has a serviceable filter.

BTW: WAY too long on a fluid change. Every 25k on the button!

 
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05-16-03, 07:18 AM   #5  
bobdino
Many thanks to Darrell and Joe.
While the Haynes manual does not mention a filter, I followed the link in your answer Joe and the Chilton shows how to remove the filter and the magnet.
Guess I'll see if a filter can be purchased and that will confirm it's presence or not.

Any thoughts on the TPS or any other suspect parts?

 
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05-16-03, 09:17 AM   #6  
Joe_F
Tough to say without actually testing it. Does it feel like the tranny is slipping?

 
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05-16-03, 11:50 AM   #7  
bobdino
RPMs will get to 35-4000 without shifting and as I say letting off the gas will allow it to shift

 
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05-16-03, 04:12 PM   #8  
Joe_F
Sounds like a slipping tranny.

 
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05-16-03, 05:25 PM   #9  
Do you mean the transmission will not upshift until you let off or the engine flares and the transmission slips until you let off?

 
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05-16-03, 06:04 PM   #10  
bobdino
Will not upshift until I let off

 
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05-16-03, 06:14 PM   #11  
bobdino
Just checked www.nissanpartsstore and they show a filter for a 97 altima

 
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05-20-03, 12:37 PM   #12  
bobdino
Had a shop flush, clean and refill the transmission and they also scanned the ECM and road tested with a scanner attached and said "everything is operating properly"
But it still does not shift correctly
Where do I go from here?

 
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05-20-03, 01:14 PM   #13  
Joe_F
Have a tranny shop go for a ride with you and give you their opinion.

 
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