Mine isn't squeaking. Yours is because your pulleys aren't aligned or because you are using an improper belt.
would the fan belt on a v8 motor cause squeaking
NO.
about 100,000 mile if it,s a timing belt
It is probably not a belt, but rather a chain
Start with serpentine belt, then belt tensioner or pulleys, maybe water pump or cam shaft distributor
chain
Belt is loose and slipping
belt slipping?
Timing CHAIN on the 2.5 liter V6 in a 1999 Suzuki Grand Vitara
It does not have a timing belt. It has a timing chain.It does not have a timing belt. It has a timing chain.
It needs adjusting or tightening.