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Thermostat Replacement
- Drain the engine coolant (see COOLANT REPLACEMENT
).
- Clean any dirt off the quick connector (A), thermostat cover, and lower radiator hose.
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- Pull out lock (B) by hand, then wiggle the quick connector loose, and remove it from the thermostat cover. Do not use any tools to remove the quick connector.
- Remove the thermostat (A).
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- Install the thermostat with a new O-ring (B).
- Check the quick connector (A) and set ring (B) for cracks or damage. If the connector and/or set ring are cracked or damaged, replace the connector.
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- Make sure the set ring is in place inside the quick connector. If the set ring is off the connector, replace the quick connector.
- Replace the O-ring (C) in the quick connector.
- Check the lock (D). If the lock is damaged or deformed, replace it. When installing the new lock to the connector, push it straight down along the groove.
- Clean the connecting surface of the thermostat cover (E), then apply clean engine coolant around the connecting surface.
- Push the lock (A) down, then push the quick connector (B) onto the thermostat cover until you hear it click.
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- Refill the radiator with engine coolant, and bleed air from the cooling system with the heater valve open (see step 10 on COOLANT REPLACEMENT
).