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How to flush the radiator in a Pontiac Grand Prix?

How to flush the radiator in a Pontiac Grand Prix?

Because coolant is extremely toxic to people and pets, you need to very careful with it during the radiator flush. Shut the radiator drain plug and fill the radiator with distilled water. Loosen the plug to drain the water and then, replicate this process of filling and draining until the water runs free of debris into the bucket.

Where is the drain plug on a Pontiac Grand Prix?

The drain plug on a Pontiac Grand Prix is usually on the driver’s side bottom of the radiator facing the engine. However, on some models the drain plug is on the front of the radiator. Loosen the drain plug and allow the old coolant to drain completely from the radiator into the bucket. You may need a crescent wrench to loosen the drain plug.

How much coolant do you need for a Pontiac Grand Prix?

You will need 3 gallons of coolant for the regular Pontiac Grand Prix model and 4 for the GXP model. Be sure to check the drain plug for any leakage. Start the Pontiac Grand Prix and turn the heating system to high. Allow the car to keep running until the cooling fan turns on twice.

What kind of water do you use to flush a radiator?

Flush the radiator with tap water until the drainage runs clear. Repeat filling the radiator with 1 gallon (3.8 L) of tap water, running the car with the heat on, and draining it once it’s cooled. Once the water runs clear, flush the system one last time with distilled water. [12]

Because coolant is extremely toxic to people and pets, you need to very careful with it during the radiator flush. Shut the radiator drain plug and fill the radiator with distilled water. Loosen the plug to drain the water and then, replicate this process of filling and draining until the water runs free of debris into the bucket.

The drain plug on a Pontiac Grand Prix is usually on the driver’s side bottom of the radiator facing the engine. However, on some models the drain plug is on the front of the radiator. Loosen the drain plug and allow the old coolant to drain completely from the radiator into the bucket. You may need a crescent wrench to loosen the drain plug.

You will need 3 gallons of coolant for the regular Pontiac Grand Prix model and 4 for the GXP model. Be sure to check the drain plug for any leakage. Start the Pontiac Grand Prix and turn the heating system to high. Allow the car to keep running until the cooling fan turns on twice.

Flush the radiator with tap water until the drainage runs clear. Repeat filling the radiator with 1 gallon (3.8 L) of tap water, running the car with the heat on, and draining it once it’s cooled. Once the water runs clear, flush the system one last time with distilled water. [12]

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Ruth Doyle