Sierra 3500 Denali 4WD V8-6.0L (2011)
Heater Hose: Service and Repair
Heater Inlet Hose Replacement (Non-HP2)
Heater Inlet Hose Replacement (Non-HP2)
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service
and Repair)Cooling System Draining and Filling (Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair)Cooling
System Draining and Filling (Static Fill LGH, LML) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair).
2. Remove the air intake tube.
3. Remove the heater and surge tank hoses from the mounting clip.
4. Squeeze the plastic retainer release tabs.
Quick Connect Fittings
5. Pull the connection apart.
6. Remove the inlet heater hose from the water pump.
7. Remove the inlet heater hose.