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WARNING: CONSTANT TENSION HOSE CLAMPS CAUTION: A number or letter is stamped into the 3. Remove radiator hose clamp and hose from ther- mostat housing (1). 4. Remove the three water outlet-to-cylinder head bolts and remove the water outlet connector. 5. Clean the mating surfaces of the water outlet con- nector and clean the thermostat seat groove at the 8.3L ENGINE 1. Partially drain the cooling system below the ther- mostat level. 2. Disconnect throttle body air inlet hose, remove air cleaner housing assembly. 3. Disconnect upper radiator hose from thermostat housing. 4. Remove thermostat housing attaching bolts in the reverse order of the torque sequence. 5. Remove thermostat housing. 6. Remove thermostat from housing and discard ther- mostat housing gasket. 7 - 66 ENGINE DR/DH |