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2. Remove the thermostat. Installation Procedure Fig. 154: View Of Thermostat & Housing 1. Install the thermostat. 2. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6). THERMOSTAT HOUSING CROSSOVER REPLACEMENT (LMM) Removal Procedure
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 155: View Of A/C Pressure Switch Electrical Connector & A/C Compressor 1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement . 2. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or Cooling System Draining and Filling (Static Fill). 3. Disconnect the negative battery cables. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery) or Battery Negative Cable Disconnection and 4. Remove the drive belt. Refer to Drive Belt Replacement .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
5. Disconnect the air conditioning (A/C) pressure switch electrical connector (1). 6. Disconnect the A/C compressor clutch electrical connector (2). 7. Remove the generator bracket. Refer to Generator Bracket Replacement (4.3L) or Generator Bracket Replacement (4.8L, 5.3L, 6.0L, and 6.2L) or Generator Bracket 8. Remove the front oil fill tube. Refer to Oil Filler Tube Replacement . Fig. 156: View Of (ECT) Sensor Electrical Connectors 9. Disconnect the engine coolant temperature (ECT) sensor electrical connectors. 10. Remove the water outlet. Refer to Water Outlet Tube Replacement (LMM) or Water Outlet Tube Replacement (LU3). 11. Without disconnecting the power steering hoses, remove the power steering pump bolts and
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
the power steering pump. Reposition the power steering pump and secure to the side. Refer 12. Remove the power steering pump bracket. Refer to Air Conditioning (A/C) Compressor and Power Steering Pump Bracket Replacement . Fig. 157: View Of Wiring Harness Bracket & Bolts 13. Remove the bolts and wiring harness bracket at the thermostat housing. 14. Position the bracket and wiring harness aside. 15. Remove the cooling fan pulley. Refer to Cooling Fan Pulley Replacement.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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