Problem symptoms table
Hint:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Axle
Front axle hub boltAdjusting the settings
To adjust the fan speed, turn the fan speed control dial clockwise
(increase) or counterclockwise (decrease).
Turning the dial to “0” turns off the fan.
To adjust the temperature setting, turn the temperature control dial
clockwise (warm) or counterclockwise (cool).
If is ...
Blower resistor
On-vehicle inspection
Inspect blower motor control
Measure the resistance of the blower resistor.
Standard resistance
If the resistance is not as specified, replace the
blower motor control. ...
Rear combination light assembly
Components
Removal
Hint:
Use the same procedures for the rh and lh sides.
The procedures listed below are for the lh side.
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal t ...