Other information:
Preliminary Inspection
Visually inspect the housing, seals, and pinion flange for obvious signs of mechanical damage.
If an obvious cause for an observed or reported concern is
found, correct the cause (if possible) before proceeding to the next
step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.
Symptom Chart(s)
Diagnosti..
Check
NOTE:
Car shown, trucks are similar.
Turn the ignition ON, engine OFF.
Set the parking brake on.
For automatic transmission place the selector lever in
DRIVE (D). For manual transmission place the gearshift lever in FIRST
GEAR.
Place the test objects in position shown in the diagram. Refer to specifications in this section..