TESTING AND ADJUSTING
29. ALTERNATOR HAS NOISE
Drive Belt for Alternator is Worn or
Has a Defect
Loose Alternator Drive Pulley
Drive Belt and Drive Pulley For
Alternator Are Not in Alignment
Worn Alternator Bearings
Armature or Rotor Shaft is Bent
Rectifiers in the Alternator Are
Install a new drive belt for the alternator.
Check groove in pulley for key that holds pulley in place. If groove is
worn, install a new pulley. Tighten pulley nut according to
Make an adjustment to put drive belt and drive pulley in correct
Install new bearings in the alternator.
Make a replacement of the component.
Make a replacement of the diode assembly.
30. EXHAUST TEMPERATURE IS TOO HIGH
Air Inlet System Has A Leak
Exhaust System Has A Leak
Air Inlet or Exhaust System Has A
Wrong Fuel Injection Timing
Check pressure in the air inlet manifold. Look for restrictions at the
air cleaner. Correct any leaks.
Find cause of exhaust leak. Make repairs as necessary.
Make an adjustment to the timing.