20 Most Recent 1991 Nissan Pickup - Page 3 Questions & Answers

Switch could have burned out,but not likely.Use a hot and ground wire to the motor after unplug the wires to see if motor runs.First,after unplugging the motor,flip the switch on and check power on the plug with a test light.

Have you CKed the coil , distributer .

Try going to your local Autozone store and ask them to check your vehicle for emissions and other engine problems. This is a free service. They will show you a print out of the probable causes of the problem you are having and the cost of the parts you need to fix your vehicle.

1991 Nissan/Datsun Truck D21 Truck 2WD 3.0L FI 6cyl

The Ignition Timing 15 Degrees Before top dead center*Warm idle speed 750 RPM*Transmission in neutral (Parking brake engaged)*All accessories off.

1991 Nissan/Datsun Truck D21 Truck 2WD 2.4L FI 4cyl

The Ignition Timing 10 Degrees Before top dead center*Warm idle speed 800 RPM*Transmission in neutral (Parking brake engaged)*All accessories off.

check to see that the mount for the bearing has been installed correctly. IF the drive shaft slip joint is in the back of the gear box then check that the travel up and down of the diff is not excessive and that the diff is where it is supposed to be Check radius rods --springs --centre bolts as something is pulling on the centre bearing and making it move out of the rubber support.

Hi Lillean,first go check your clutch master cylinder,it's located at firewall on driver side in corner,if low or empty,then your clutch slave cylinder is bad and leaking,it's located on side of transmission with hose connected to it,2 bolts hold it on,fluid may be visible if leaking.You can fill reservoir and bleed to get home,I have a 85 Nissan truck,happen to me before.To bleed,have some one pump pedal a few times,get line wrench and open valve at slave cylinder,do untill air is gone and pedal is firm,make sure you keep reservoir full while doing this or air will get in there.Here's a link on it.Join the az site like me then you have a free repair guide.

assuming this is a console shifter(on the floor) the interlock is broken or misaligned..key position will affect this also..

http://www.nissanpartszone.com/components/1991-nissan-maxima_heater-blower-unit-270-1159_2.html

check fuel filter,and pump

Your best bet,is to search the local junk yards.

it would have a belt

your dust plate is been bent and touches on turning jack up the wheel and straighten the plate...problem will be solved..

The starter motor is bolted to the engine block next to the transmission and engages the flywheel between the two.