Chery QQ Service Manual 465 Engine Mechanical System
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Chery Automobile Co., Ltd
(6) Check suspicious position with eyes, use a mirror if necessary.
(7) Judge the possible cause of leakage.
Adopt powder method if you can not make sure the cause of leakage yet.
2 Powder method
2.1 Completely clean the whole engine and its surrounding parts.
2.2 Smear children’s talcum powder on the suspicious position.
2.3 Driving vehicles for several miles at different speed under normal temperature.
2.4 Identify classification of liquid, make sure the possible position of leakage, in accordance
with powder changing color position.
2.5 Check the suspicious positions with eyes, check the position not easy to see ,with the
help of a mirror.
2.6 See the possibilities of leakage for reference if necessary.
3 Possibilities of leakage.
Check vehicle to see whether or not it is under the following conditions:
● Liquid level is higher than the recommended level.
● Pressure of liquid is higher than the recommended pressure.
● Oil filter core or pressure by-pass valve is blocked or the performance is not good.
● Ventilation system of engine is blocked or the performance is disabled.
● Fastener is not good or damaged.
● Parts fracture or there are some holes in the parts.
● Sealant or gasket is not suitable.
● Installation of sealant or gasket is not good.
● Sealant and Gasket is damaged or wear.
● Seal surface is damaged or wear.
chapter 3 Assembly Outline Illustration
I Front end view of engine