hello, i just bought a 94 cavalier for my wife. since we had it i had to replace the fuel pressure regulator, the thermostat was missing....had to put one in....also had to by a tcc solenoid.....now i cant get the drive belt to go back on.......i cant get it to go around the alternator.....and im not sure if there is a way to relieve the tension... if there is how and where do i find it on the car?