Mustang V6-4.0L (2008)
5. Spread the retainer tabs apart and slide the retainer off the tube.
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Discard the retainer.
Connect
1. Clean the tubes and lubricate with plain water.
2. Install a new coupling retainer into the heater hose coupling housing.
3. Push the heater hose coupling onto the tube.
4. Make sure the heater hose coupling is fully engaged by lightly pulling on the heater hose.