gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Lamps and Indicators - Cooling System > < Heater Inlet Hose|Page 3410
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Heater Hose: Service and Repair
Heater Outlet Hose

Heater Hose Routing

Quick Connect Heater Inlet Connector

Remove or Disconnect 

1. Engine coolant.
2. Hose clamps.
3. Outlet hose from fender clip.
4. Outlet hose from heater core.
5. Outlet hose from radiator.

Install or Connect 

1. Outlet hose to radiator.
2. Outlet hose to heater core.
3. Outlet hose to fender clip.
4. Hose clamps.
5. Engine coolant.

 

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Check the system for leaks.

Lamps and Indicators - Cooling System > < Heater Inlet Hose|Page 3410