gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Glow Plug System > < Intake Air Heater (IAH) Relay Replacement (Federal)|Page 758
Page 3
background image

5. Connect the IAH relay harness connector (3).
6. Connect the engine harness connector (2).

7. Install the upper intake manifold cover.
8. Install the upper intake manifold cover to the outlet duct.
9. Tighten the outlet duct clamp at the upper intake manifold cover.

Tighten
Tighten the clamp to 6 N.m (53 lb in).

10. Install the negative battery cables.

Relays and Modules - Glow Plug System > < Intake Air Heater (IAH) Relay Replacement (Federal)|Page 758