Download 2002 Pontiac Grand Prix GT 2002 ENGINE Engine Cooling – Grand Prix THERMOSTAT REPLACEMENT (3.1 L) Tools Required J 38185 Hose Clamp Pliers Removal Procedure 1. Remove the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT . 2. Partially drain the cooling system. Refer to Draining and Filling Cooling System . 3. Use the J 38185 in order reposition the hose clamp from the water outlet housing. 4. Remove the radiator inlet hose from the water outlet housing. 5. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT (3.1L) or EXHAUST CROSSOVER PIPE REPLACEMENT (3.8L) 6. Remove the water outlet housing bolts. 7. Remove the water outlet housing and gasket. 8. Remove the thermostat. 9. Clean the water outlet housing mating surfaces. Installation Procedure 1. Install the thermostat. 2. Install the water outlet gasket and the water outlet housing. 3. Install the water outlet housing bolts. Tighten Tighten the water outlet housing bolts to 25 N.m (18 Ib ft). 4. Install the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT (3.1L) or EXHAUST CROSSOVER PIPE REPLACEMENT (3.8L) . 5. Install the radiator inlet hose to the water outlet housing. 6. Use the J 38185 in order reposition and install the hose clamp to the water outlet housing. 7. Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT . 8. Fill the cooling system. Refer to Draining and Filling Cooling System . 9. Inspect for leaks.
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