When It no longer hold proper tension if the belt is squeaking then it is probably time to change it
how to remove a power steering pulley on a 1997 Nissan altima
The 2005 Nissan Altima auto tensioner pulley can be removed by removing the center bolt. You will need to hold the pulley stationary while you loosen the bolt.
replace 1996 nissan 200sx se 1.6 tension pulley
you need to replace the alternator
Just turn the bolt against clockwise and it will come out easily ...
Use a small gear puller
To replace the belt on a Nissan Frontier, first loosen the idler pulley of the belt and remove the bolts. Then slip the replacement belt onto the pulley and put back the bolts.
To set the timing on a Nissan Altima 2.5, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder one. Then, align the timing marks on the crankshaft pulley and the timing cover. If adjusting the timing, use a timing light to check the ignition timing while the engine is running, and adjust the distributor if necessary. Always refer to the vehicle's service manual for specific timing specifications and procedures.
3 bolts above your oil filter may have to move belt a
ca20? remove all the belts, water pump pulley, underdrive pulley, timing chain cover and timing belt and the water pump is accessible. I would replace the timing belt too.
The crankshaft position sensor on a 2004 Nissan Altima is located near the bottom of the engine, typically on the driver's side. It is mounted on the engine block, close to the crankshaft pulley. To access it, you may need to remove some components, such as the engine cover or other obstructions. Always consult a repair manual for specific instructions and diagrams.
To fix the rotary pulley on a 2000 GMC Montana van, first ensure the engine is off and cool. Remove any necessary components, such as the serpentine belt, to access the pulley. Use a socket wrench to remove the bolts securing the pulley, then replace it with a new or repaired pulley, securing it tightly with the bolts. Finally, reassemble any components you removed and replace the serpentine belt if necessary.