NV-3500
The vacuum modulator on a 1989 Chevy K-1500 4wd 5.7 is underneath the transmission. It can be reached from under the car.
ANSWERED----SEE--------,,, 1989 1500 Chevy transmission repair. I have a Chevy and I am having trouble with the transmission-----------Good luck, Jamison if the transmission will not shift until it reaches high rpms you may need to adjust the tv aka throttle valve cable. If miss-adjusted you could burn the clutches and gears completely up
700R4 if it's an automatic, NV3500 if it's a manual.
Should be a 700R4 Trans.
It is up in the driverside frame rail back by the transmission cross member.
NO it will not.
The vehicle speed sensor in the transmission may be bad.
No
700r4
It is important to maintain the fluid levels in a car, and it is important to put the right type of fluids in the car as well. A 1989 Chevy Pick up uses Dexron III transmission fluid.
No
If it is a 3 speed automatic it is TH125/TH125C/3T40 If it is a Manual it is a Getrag F23