tHE AXLE BEARINGS THEM SELVES ARE WORE OUT YOU GOT TO THE BOOT TO LATE
could be a contant velocity joint
The transmission on the 1994 Nissan Pathfinder may need to have a fluid flush. Dirty fluid will cause the gears to shift hard when transitioning from place to place.
Replace the speakers. Adjust the Fade/Balance and listen to find which speaker is popping. The popping noise is most likely from a broken cone in the speaker
When was the last time you changed your O2 sensors? They are supposed to be changed about 60,000 miles. Could be responsible for rough idle and popping in the exhaust. Otherwise it is likely a vacuum hose that is leaking.
The gas making the popping noise is hydrogen.
it sounds like a dead battery recharge and try again
If by "popping noise" you mean backfire, it could be crossed ignition wires, or some sort of misfire.
If it is coming from the radiator or the hoses this would mean your antifreeze is boiling in the lines. I would recommend first changing the thermostat and bleeding the air from the rad lines.
Change your plugs.
Yes, the Nissan GTR does have a gear noise which is a very common phenomenon.
Yes, that popping noise you hear is the first sign that they are breaking. It is caused by the disposition of the detectors in the cable or cable port.
Fuse might be blown . If not , you might find a windshield washer motor at an auto parts store.