gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

With Air Conditioning|Page 2519 > < With Air Conditioning|Page 2517
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Auxiliary Heater Module

Install or Connect

1. Heater core.
2. Heater case cover.
3. Blower motor, if necessary.
4. Heater module.
5. Nuts.
6. Bolts.

Tighten
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Nuts to 10 Nm (89 lb in).

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Bolts to 1.5 Nm (13 lb in).

7. Drain valve.
8. Electrical connectors, as necessary.
9. Auxiliary heater hoses to heater core.

10. Right rear wheelhouse.
11. Right rear quarter trim panel.
12. Engine coolant.

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Check the system for leaks.

With Air Conditioning|Page 2519 > < With Air Conditioning|Page 2517