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Driver's side door won't open
If the driver side door will not open then most of the time this is caused by a broken door latch that should be repalaced. If neither handle works then the latch is broken inside of the door or the...
Doorlock and door opener broken
It sounds like the door latch needs to be removed and replaced. The door latch and locking mechanism are built into the same part and can easily be replaced. I would recommend having a technician from YourMechanic come out and...
nissa d21 z24 carburated strange rattling noise
Hello. In regards to your idle speed issue, I would recommend tuning and adjusting the carburetor until the correct idle speed is achieved. As far as the rattling noise goes, firstly I would check to make sure that the engine...
Truck won't start unless I remove the fuel pump relay
Hey there. This is a sign of a failing fuel pump or potentially a faulty power connection to the fuel pump. As you know, if the fuel pump fails to supply adequate fuel pressure to the motor, this will cause...
Air conditioner parts exchange - Will AC parts from a 1994 fit a 1989?
Just because both have the D21 motors you will still need to verify the mountings to the compressors are the same. The connections and hoses may all be different since body style and engine compartment has changed over the years....
What happens if i replace the catalytic with a thrush muffler and put a DC sports exhaust about 2 feet away from the thrush.
Removal of the catalytic converter on a car that will be operated on the street is very illegal, and can get you a huge fine from the EPA. Also, since most modern vehicles are designed to run with some system...
10 amp fuse keeps blowing
Hello. If your meter fuse is blowing when you put the vehicle into drive then it is likely that your vehicle has some sort of wiring issue. If the issue occurs when you shift into drive, then it is likely...
Truck makes drumming sounds at the back
Hello. This could be a differential or driveline issue. You state the noise is momentary which rules out a lot of common issues such as tire defects and wheel bearings. Chassis ears would pinpoint the source of the noise. If...
Brake lines have air, bled many times
Hello. Moisture in the brake fluid is being boiled off as steam when your brake system temperature gets above 212 degrees (at sea level). The steam re-condenses as water in the system BUT air pockets can be created and remain...
Manual transmission makes noises - 1994 Nissan D21
Hello. It sounds like you have a gear, bearing, bushing, or other rotating component issue caused by wear. At that mileage, really the thing to do is just simply rebuild the transmission which is not particularly difficult since it is...
Truck is running rough, loses power, backfiring noise - 1994 Nissan D21
Hey there. I would check fuel pump output and condition of fuel injectors (flow rate and solenoid resistance). After that, I would evaluate the ignition system, including distributor, plug wires, timing. If you would like to have this checked for...
After overhaul my Ka24 d21 doesn't rev pass 4000 rpm
Hi there. From the description you have provided, I'm not sure running a recently overhauled engine over 4,000 rpm is a good idea. There is a 500 mile break-in period recommended by most rebuilders. Change the engine oil and filter...

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