Pinpoint Test B: The Engine Overheats
WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- B1: CHECK COOLANT WARNING: The cooling system is pressurized! Make sure the reservoir cap is never released until the system has cooled. Failure to follow these instructions may result in personal injury.
- Check the coolant level and condition.
Does the system contain sufficient coolant of the correct specification?
Yes
GO to B2.
No
Top-up and fill the cooling system to the correct level with the correct specification fluid as necessary. Check for coolant loss. GO to PINPOINT TEST A
- Check the coolant level and condition.
- B2: CHECK COOLANT EXPANSION TANK PRESSURE CAP
- Check the coolant expansion tank pressure cap for damage/correct operation. REFER to Coolant Expansion Tank Pressure Cap Pressure Test
Is the coolant expansion tank pressure cap operating correctly?
Yes
GO to B3.
No
INSTALL a new coolant expansion tank pressure cap. TEST the system for correct operation.
- Check the coolant expansion tank pressure cap for damage/correct operation. REFER to Coolant Expansion Tank Pressure Cap Pressure Test
- B3: CHECK THERMOSTAT
- Check the thermostat for correct operation. REFER to THERMOSTAT TEST
Is the thermostat operating correctly?
Yes
GO to PINPOINT TEST C .
No
INSTALL a new thermostat. TEST the system for correct operation.
- Check the thermostat for correct operation. REFER to THERMOSTAT TEST