Sierra Denali RWD V8-6.2L (2009)
Heater Hose: Service and Repair
Heater Inlet Hose Replacement
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) .
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.
5. Pull the connection apart.
6. Remove the inlet heater hose from the water pump.