How To Replace a Blown Head Gasket

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The 5.7 350 has been used since 1967. It has been installed in GM trucks, passenger cars and sport cars. Coolant leaking from the head, or water mixed in the oil are the usual symptoms of a blown head gasket. If the head gasket has failed, it will need to be replaced. Parts for the Chevrolet 5.7 liter engine are plentiful. Most auto part stores have the parts required to repair the motor readily available. Disconnect the battery terminals and remove the air cleaner. Disconnect the fuel lines and any connectors on the intake and distributor. Using the tape, tag and number each ignition wire. Disconnect the ignition wires from the spark plugs. Mark the distributor housing to the intake with a paint pen. Remove the distributor cap. Mark the distributor rotor to the cap. Loosen the retainer bolt for the distributor. Lift the distributor up and out of the engine. Unbolt the valve covers and lift them off of the cylinder heads. Remove the bolts from the intake. It might be necessary to pry around the edges of the intake with the screwdriver. Work the intake side to side until it se...

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