Engine Overheating - Geely EC718 2009 Workshop Manual

2-478 Cooling System JL4G18-D
Yes
Thermostat normal.
Step 5

2.8.7.8 Engine Overheating

Warning!
Refer to "Cooling System Service Warning" in "Warnings and Notices".
Step 1 Is there engine coolant loss?
No
Is the engine coolant concentration inadequate?
Step 2
No
Check whether there is dust, leaves or insects and other debris at the radiator front?
Step 3
No
Step 4 Check coolant pipes, pumps, engine coolant inlet components and radiator. Check for blockage and cylinder
head gasket leaking.
No
Connect scan tool, with the data flow showing the engine coolant temperature reaches 95°C (203 ºF ). Check
Step 5
the radiator inlet and outlet hoses coolant temperature. There should be no temperature difference. Is the
temperature difference big?
No
Step 6 Use ignition timing gun to check whether the ignition is too late.
EC718/EC718RV EC715/EC715RV 10/2009
Add engine coolant.
Yes
Use "Geely Genuine ultra-long-acting engine
Yes
coolant" or the same level of high-quality
ethylene glycol base engine coolant, model or
standard number: comply with SH0521.
Clean up the front of the radiator.
Yes
Replace any damaged parts.
Yes
1. Check whether the thermostat is working
Yes
properly. 2. Check whether there is radiator
blockage.
Check engine ignition timing. Carry out ECM
Yes
diagnostic.
Engine