Workshop Repair and Service Manuals GMC SIERRA
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Fastener Tightening Specifications - 4WD Driveline Control

Rating:

Fastener Tightening Specifications

Application

Specification

Metric

English

Air Temperature Actuator Mounting Screw

1.6-Y

14-lb-in

Mode Actuator Mounting Screw

1.6-Y

14-lb-in

Overhead Console Screw

2-Y

18-lb-in

Recirculation Actuator Mounting Screw

1.6-Y

14-lb-in

Air Temperature Description and Operation - part 6     To place the auxiliary HVAC system in Automatic mode, the following is required: The auxiliary blower motor switch on the auxiliary HVAC control assembly must be inthe Auto position.The auxiliary mode switch on the auxiliary...
Drilling Holes into the Air Conditioning and Heater Case Module Caution     Caution:Extreme care must be taken when drilling into the air conditioning and heater casemodule. Misalignment of the hole can cause damage to the air conditioning evaporatoror temperature door requiring replacement of these...
Temperature Valve Actuator Replacement - Left Side     Temperature Valve Actuator Replacement - Left Side Callout Component Name Caution:In order to avoid actuator damage, DO NOT apply power to theactuator when it is not installed in the HVAC module. Preliminary...
Afterblow Enabling     The afterblow mode can be enabled using the scan tool. Theafterblow mode allows the blower motor to operate after the enginehas been turned off. This operation of the blower motor dries theevaporator core, which reduces the...
Air Temperature Description and Operation     The air temperature controls are divided into four areas: HVAC Control ComponentsHeating and A/C OperationEngine CoolantA/C CycleHVAC Control Components HVAC Control Module The HVAC control module is a class-2 device that...
Inside Air Temperature Sensor Replacement     Removal ProcedureRemove the left windshield garnish molding. Refer toWindshield Pillar Garnish Molding Replacement.Remove the left center pillar assist handle. Refer toRoof Rail Rear Assist Handle Replacement.Remove the center...