Vehicle due for service
Check tires.
Brake fluid is dirty.
Coolant leak from radiator cap.
Air filters are dirty.
Squeaking noise engine.

Diagnosis/ Work done:
Performed service “B”
Mount & balance four tires.
Flushed brake system.
Four wheel alignment
Tested and replaced radiator cap.
Tested and replaced serpentine belt, tensioner and idler pulley.