G552274P2: the Engine Overheats

PINPOINT TEST G552274p2: THE ENGINE OVERHEATS
G552274t3: CHECK COOLANT
1. Check the coolant level and condition.

^ Does the system contain sufficient coolant of the correct specification?

-> Yes

GO to Pinpoint Test G552274t1.

-> No

Top-up and fill the cooling system to the correct level with the correct specification fluid as necessary.

Specifications
Cooling System Draining and Bleeding - Vehicles Without: Supercharge Check for coolant loss. GO to Pinpoint Filling Test G552274p1. G552274P1 : Loss of Coolant

G552274t1 : CHECK COOLANT EXPANSION TANK PRESSURE CAP
1. Check the coolant expansion tank pressure cap for damage/correct operation. REFER to the coolant expansion tank pressure cap pressure test.

^ Is the coolant expansion tank pressure cap operating correctly?

-> Yes

GO to Pinpoint Test G552274t4.

-> No

INSTALL a new coolant expansion tank pressure cap. TEST the system for correct operation.

G552274t4: CHECK THERMOSTAT
1. Check the thermostat for correct operation. REFER to the thermostat component test.

^ Is the thermostat operating correctly?

-> Yes

Check for correct operation of cooling fans, circuits, sensors, modules, etc.

Electronic Engine Controls

-> No

INSTALL a new thermostat. Thermostat - Vehicles Without: Supercharger TEST the system for correct operation.