1991 Nissan Pickup (D21) Questions

Get answers to questions about your 1991 Nissan Pickup (D21) at RepairPal. Find solutions, diagnose problems and get back on the road.

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going down the road you can feel it not shift into the next drive gear like it should. this does not happen all the time.

I don't think the transmission went out maybe a relay or something .now it won't go at all

I don't think the transmission went out maybe a relay or something ki

Have shifter out won't shift into neutral.

Then it just stops won't even crank why?

Problem just started. Truck is off and parked for the nite. look outside and lights are turned on. Why and how can i fix it?. Truck is a hard body

acting like its not shifting into overdrive. what could be going on

How many quarts of oil for 5 speed 2×2 transmission?

I have replaced the centre bearing and the vibration is still there, after jacking the wheels off the ground and putting it in gear I can see the front driveshaft spinning out of round.

engine idles rough - can take five minutes to start without dying.
loses power rapidly when travelling uphill
chews a whole tank of fuel in only two hours on freeway

currently will turn over but then shudders violently and dies- just wont start.

after 15-45 minutes the #2 cylinder starts firing bad theres very little spark or none at idle new cap and roter

Was coasting down hill in neutral put cluch in heard loud noise clutch went to floor was able to pull it back up.Couldn't put into ANY gears while its runing. Starts fine but no gears.Started it in gear it started but acted as though I had no gears. Tried 4x4 still no gears.I don't know mechanical stuff and don't have a lot $ for repairs. So any advice is appreciated