Riviera V6-231 3.8L VIN L SFI (1991)
Water Pump: Testing and Inspection
After Repairs Test Drive
AFTER REPAIRS TEST DRIVE
IMPORTANT: Prior to driving the vehicle, verify:
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The thermostat and cooling fan are operating.
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There are no coolant leaks.
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The cooling system is properly filled and bled.
Operate the vehicle in both stop-and-go and highway driving conditions and verify the following:
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Coolant temperature gauge remains within the normal band, or warning light does not energize.
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Cooling fans energize when needed, but do not run continuously.
NOTE: Cooling fans may run continuously when operating the A/C.
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There are no abnormal drive belt sounds (chirping, squealing).
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Cooling system does not leak.
After the test drive, allow the engine to cool down, then top off the radiator and fill the coolant reservoir to the "Cold" level.
WARNING: Never remove the radiator cap, or disconnect a coolant hose on a warm engine. A warm cooling system may contain a large
amount of stored energy in the form of steam and high pressure, which could cause serious personal injury.