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Fig. 257: Locating Coolant Heater 10. Remove the coolant heater from the engine block. 11. Remove any burrs, sealer, or other rough spots. IMPORTANT: Do not score the surface of the engine block hole when removing the coolant heater.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Installation Procedure Fig. 258: Locating Coolant Heater 1. If reusing the old coolant heater, apply thread sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads. NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
2. Install the coolant heater to the engine block. Tighten: Tighten the coolant heater to 50 N.m (37 lb ft). Fig. 259: View Of Coolant Heater Cord 3. Connect the coolant heater cord electrical connector.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 260: Locating Oil Cooler Hose Bracket & Adapter Bolts 4. For vehicles with RPO L76 (6.0L) perform the following steps otherwise proceed to step 9. 5. Position the oil cooler hose adapter end, if equipped. 6. Install a NEW oil cooler hose adapter gasket, if equipped. 7. Install the oil cooler hose adapter bolts (2), if equipped. Tighten: Tighten the bolts to 12 N.m (106 lb in). 8. Install the oil cooler hose bracket bolt (1), if equipped. Tighten: Tighten the bolt to 25 N.m (18 lb ft).
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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