93 Riviera and it gets hot after being driven about 20 miles. It's consistent too?

Asked by Aug 21, 2016 at 12:41 AM about the 1993 Buick Riviera Gran Touring Coupe

Question type: Maintenance & Repair

3 Answers

67,325

Given the age of the car I'd suggest a good cooling system flush and replace the thermostat. Be sure to install a 195°F thermostat. HTH. -Jim

1,215

And in addition do check your radiator hoses while the engine is running to determine if the hoses are collapsing thus restricting water movement.

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1,200

In addition to the above suggestions.....are the cooling fans working? The fan on the motor side is the first to turn on...then if you turn on the A/C the one in front of the radiator starts...as the engine warms and the temp gets up to around 230 they both kick on HIGH. You can check the fans by running 12v directly to the connector, they are controlled by relays...they could be bad

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