GMC Sierra

GMC Sierra

GMC Sierra

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Transfer Case
Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Maintenance Schedule on page 11‑3. ...

Headlamp Aiming
Headlamp aim has been preset and should need no further adjustment. If the vehicle is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps is necessary, see your deal ...

Checking Coolant
The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant recovery tank. If the coolant inside the coolant recovery tank is boiling, do ...