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Transmission OD issues


MIBPreacher

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:icon2: 1987 300zx N/a 2+2 Ttops Auto

 

While I plan on eventually this decade swapping to a 5 spd, can someone help me with this automatic issue?

 

My transmission seems to not want to shift into OD unless its warm. Now I know you all will all start talking about the TSB from Nissan stating that is normal for my car. I understand that. My problem is more complicated then that. It also appears that my car will not shift into 3rd unless its warm & I put the car in N and turn it off wait 1-2 seconds, and turn it on again. This action allows me to access 3rd on really cold days here in Chicagoland. Now if I want to get into OD, i literally have to pull over onto the side of the road, stop, cycle through all the gears, allowing the tranny to feel each click, and I go back to D and take off, now I still have 3rd (2500rpm@65), and then get OD (2100rpm@67+). Now I have replaced most of the fluid in the tranny, (by accident when I replaced the Automatic transmission modulator, which gave me better shifting, but it still goes on. I didnt notice this problem when I bought the car since it was one of those rare warm days in January.

 

Does anyone have any experience with this?

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