The short answer is yes. Both the 1989 and 1990 models use the RS5F50A manual or RE4F02A automatic transmission.
yes you have to take the top cover off the transmission and its located in there
it needs Nissanmatic C fuid for 89-94
no
You probably have gotten an answer by now ,but no they do not '88 was the last you for that transmission after that the became computerized
they are the same
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