Coolant Bypass Valve Replacement - Auxiliary
COOLANT BYPASS VALVE REPLACEMENT - AUXILIARYTOOLS REQUIRED
J 38185 Hose Clamp Pliers
REMOVAL PROCEDURE
1. Remove the air cleaner.
2. Remove the upper fan shroud.
3. Drain the engine coolant.
4. Disconnect the electrical connector from the auxiliary coolant bypass valve (1).
5. Remove the vacuum hose from the auxiliary coolant bypass valve.
6. Remove the bolt that retains the auxiliary coolant bypass valve to the heater assembly.
7. Using the J 38185, reposition the auxiliary heater inlet hose (10) clamp from the auxiliary coolant bypass valve.
8. Remove the auxiliary heater inlet hose (10) from the auxiliary coolant bypass valve.
9. Using the J 38185, reposition the auxiliary outlet heater hose (2) clamp from the auxiliary coolant bypass valve.
10. Remove the auxiliary outlet heater hose (2) from the auxiliary coolant bypass valve.
11. Remove the auxiliary coolant bypass valve (1).
INSTALLATION PROCEDURE
1. Install the auxiliary coolant bypass valve (1).
2. Install the auxiliary outlet heater hose (2) to the auxiliary coolant bypass valve.
3. Using the J 38185, reposition the auxiliary inlet heater hose clamp to the auxiliary coolant bypass valve.
4. Install the auxiliary heater outlet hose (10) to the auxiliary coolant bypass valve.
5. Using the J 38185, reposition the auxiliary heater hose clamp to the auxiliary coolant bypass valve.
6. Install the auxiliary coolant bypass valve to the heater assembly.
7. Install the bolt that retains the auxiliary coolant bypass valve to the heater assembly.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the bolt to 4 N.m (35 lb in).
8. Connect the vacuum hose to the auxiliary coolant bypass valve.
9. Connect the electrical connector to the auxiliary coolant bypass valve.
10. Fill the cooling system.
11. Install the upper fan shroud.
12. Install the air cleaner.