Honda Pilot: Radiator and A/C Condenser Fan Motor Test
Honda Pilot 2016-2022 (YF5/YF6) Service Manual / Parts Test Info / Radiator and A/C Condenser Fan Motor Test
Test
1. Fan Motor - Test
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- Disconnect the connectors from the radiator fan motor (A)
and the A/C condenser fan motor (B).
- Test each motor by connecting 12 volt battery power to
terminal No. 1 and ground to terminal No. 2.
- If a motor fails to run or does not run smoothly, replace it.
Radiator Cap Test
Test
1. Radiator Cap - Test
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- Wait until the engine is cool, then carefully remove the
radiator cap (A). Wet the radiator cap seal with engine
coolant, then install it on a commercially available pressure
tester (B).
- Apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm2, 13.5
-17.8 psi).
- Check for a drop in pressure.
- If the pressure drops, replace the radiator cap.
Radiator Test
Test
1. Front Bulkhead Cover - Remove
2. Radiator - Test
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- Wait until the engine is cool, then carefully remove the
radiator cap, and fill the radiator with engine coolant to the
base of the filler neck.
- Attach a commercially available pressure tester (A) to the
radiator, and apply a pressure of 93-123 kPa (0.95-1.25
kgf/cm2, 13.5-17.8 psi).
- Inspect for engine coolant leaks and a drop in pressure.
- Remove the pressure tester, then reinstall the radiator cap.
3. All Removed Parts - Install
- Install the parts in the reverse order of removal.