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.
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.
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
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.
The popping noise in your water heater could be due to sediment buildup at the bottom of the tank. As water is heated, the minerals in it can form deposits that create air pockets. When these air pockets burst, they can create a popping sound. Flushing the tank to remove sediment buildup may help reduce the popping noise.
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.
The popping noise you hear when opening a can of Sprite is caused by the release of carbon dioxide gas that is dissolved in the soda. When you open the can, the pressure inside decreases rapidly, causing the gas to escape quickly and create the popping sound.
Yes, the Nissan GTR does have a gear noise which is a very common phenomenon.