gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Sensors and Switches - HVAC > < Exhaust Temperature Sensor|Service and Repair
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Notice:  Refer to Component Fastener Tightening Notice.

1. Install the glow plug to the heater coolant heater.

Tighten to 2.5 N.m (22 lb in).

2. Install the glow wiring to the electrical connector.
3. Install the heater coolant heater control unit.
4. Install the heater coolant heater.
5. Lower the vehicle.

Sensors and Switches - HVAC > < Exhaust Temperature Sensor|Service and Repair