Colorado 4WD L4-2.9L (2008)
1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater outlet hose fitting threads.
Notice: Refer to Fastener Notice.
2. Install the heater outlet hose fitting.
Tighten the heater outlet hose fitting to 45 N.m (33 lb ft).
3. Install the heater hose outlet to the heater pipe inlet.
4. Using the J 38185, reposition the heater hose outlet clamp to the heater pipe inlet.
5. Install the exhaust heat sheild. Refer to Exhaust Manifold Heat Shield Replacement (LLV - 2.9L) (See: Exhaust System/Heat Shield/Service and
Repair/Exhaust Manifold Heat Shield Replacement)Exhaust Manifold Heat Shield Replacement (LLR - 3.7L) (See: Exhaust System/Heat
Shield/Service and Repair/Exhaust Manifold Heat Shield Replacement) .
6. Fill the engine cooling system. Refer to Cooling System Draining and Filling (Static Fill) (See: Service and Repair)Cooling System Draining and
Filling (Vac N Fill) (See: Service and Repair) .
