gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Coolant Bypass Valve Replacement (4.3L, 4.8L, 5.3L, 6.0L)|Page 13447 > < Coolant Bypass Valve Replacement (4.3L, 4.8L, 5.3L, 6.0L)|Page 13445
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8. Reposition the heater inlet hose clamp and the heater outlet hose clamp from the heater core using the J 38185.
9. Remove the heater inlet hose and the heater outlet hose from the heater core.

10. Remove the coolant bypass valve assembly from the vehicle.

Installation Procedure

1. Install the coolant bypass valve assembly to the vehicle.
2. Install the heater inlet hose and the heater outlet hose to the heater core.
3. Reposition the heater inlet hose clamp and the heater outlet hose clamp to the heater core using the J 38185.

Coolant Bypass Valve Replacement (4.3L, 4.8L, 5.3L, 6.0L)|Page 13447 > < Coolant Bypass Valve Replacement (4.3L, 4.8L, 5.3L, 6.0L)|Page 13445