Chery QQ6 (S21) / S12LHD. Manual — part 73

2.2.19. Brake hose: Check its ageing and damage;

2.2.20. Brake pipe: Check its damage, corrosion and the leakage of all joints;

2.2.21. Check the suspension components: Check its abnormal looseness or friction, damage, and

the working condition;

2.2.22. Rear shaft rubber hinge: Check its damage;

2.2.23. Control arm rubber sleeve: Check its damage;

2.2.24. Check the brake system: Check the brake fluid level, the status of all connecting pipes,

leakage and damage, the working condition of the system, and repair or replace it, if

necessary;

2.2.25. Check the A/C system: clean the element (with the high-pressure air), check its pressure

(it is different according to the various working conditions, etc, and the reference value

while idling is:low pressure: 2.5 - 3.0 Bar; high pressure: 15 - 17 Bar), the leakage,

abnormal sound, odor, and the working condition;

2.2.26. Check tire (including spare tire): Check the depth of tire pattern, which the depth of tire

pattern shall not be less than 1.6 mm; regulate the air pressure of tire: 230kPa for front

wheel, and 210 kPa for rear wheel; and check the wheel bolt tightening torque

(110±10Nm);

2.2.27. Check the chassis bolt: Check the chassis bolts one-by-one with a torque wrench, and

tighten it to the specified torque if loose ;

2.2.28. Toe-in value and camber angle: Check the toe-in value, camber angle, and adjust it if

necessary (refer to the parameters above for the adjustment);

2.2.29. Check the spark plug: Check whether the spark plug has the carbon deposits, ablation

symptom, etc, and replace it if necessary (the service life of a spark plug is in general

30,000 KM);

2.2.30. Wedge belt: Check its tension, and regulate or replace it if necessar.Refer to the “Timing

belt”in the Standard 30,000 KM maintenance work procedure for the tension requirement

after regulating;

2.2.31. Check the engine while idling: Check the working condition of the engine while

idling,check the working condition of electronic fuel injector parameters and exhaust, and

adjust it if necessary;

2.2.32. Exhaust system: Check its leakage and damage, and regulate or replace it if necessary;

2.2.33. Lower the vehicle, and take off the “four-piece series” and the protective covers of left

and right fenders and the front protective cover;

2.2.34. Check the lighting, warning flasher devices, horn: Check its working condition;

2.2.35. Seat belt: Check its damage;

2.2.36. Trial driving: Check the display status of combination instrument, the working condition

of four-door regulator, and the function of the steering, braking and gear shifting

mechanisms, pay attention to the abnormal sound from the engine and body, and examine

and repair it, if necessary;

2.2.37. Look around the vehicle, and wash it if there is no abnormal symptom, then deliver the

vehicle to its owner.

2.3. Standard 30,000 KM maintenance work procedure

2.1.1. Receive the vehicle to be maintained, wear the “four-piece series” (seat cover, steering

wheel cover, shift lever cover, driver’s foot pad) on the vehicle, drive the vehicle to the

lifting jack, and support the vehicle;

2.1.2. Prepare for the related tools and special devices;

2.1.3. Wear the left and right fenders protective covers and front protective covers on the vehicle

to be maintained;

2.1.4. Replace the engine oil, and oil cleaner(refer to the replacement above-mentioned in this

manual);

2.3.5. fuel filter: refer to the replacement above-mentioned in this manual;

2.3.6. All joints of fuel system: Check its ageing, damage, abnormal looseness or friction;

2.3.7. Check transmission oil: Check the leakage of transmission oil viewing from the engine

compartment; and then lift up the vehicle and check the leakage of transmission oil viewing

from the bottom of vehicle;

2.3.8. Check the free travel of clutch,and regulate it, if necessary;

2.3.9. Check the oil/fluid: Check the levels of brake fluid, antifreeze fluid, glass cleaning fluid

and power steering oil, and the leakage of the related pipelines;

2.3.10. Battery: Check the electrolyte level, and refill the distilled water if necessary (the

maintenance-free battery exclusive);

2.3.11. Wiper and cleaning equipment: Check its working condition;

2.3.12. Check the door lock, hinge and stopper: Check the working condition of all door locks,

hinges and stoppers, and appropriately add the lubrication oil if there is abnormal sound or

the resistance is big;

2.3.13. Check the air cleaner: Clean the element (with the high-pressure air), and replace it, if

necessary;

2.3.14. Check the dislocation or damage of the dust cap of constant velocity joint;

2.3.15. Check the damage of steering tie rod end and its dust cap;

2.3.16. Ball pin: Check its looseness and scratch;

2.3.17. Check the thickness of brake lining/shoe, and replace it, if necessary. The standard

thickness of front brake lining is 10 mm, with the serviceability limit of 3 mm, and the

remaining thickness while the brake lining thickness limit shall not be less than 3 mm; and

the standard thickness of rear brake lining is 5 mm, with the serviceability limit of 1 mm,

and the remaining thickness while brake lining thickness limit shall not be less than 1 mm;

2.3.18. Brake disc/drum: Check its working condition, the damage, and replace it, if necessary;

2.3.19. Hand brake: Check its travel, and regulate it, if necessary;

2.3.20. Tire position change: Change the position of tires according to the description as shown in

the figure, and note that the status of tire of the front wheel shall be better than that of rear

wheel after position changing;

2.3.21. Brake hose: Check its ageing and damage;

2.3.22. Brake pipe: Check its damage, corrosion and the leakage of all joints;

2.3.23. Check the suspension components: Check its abnormal looseness or friction, damage, and

the working condition;

2.3.24. Steering knuckle/front wheel bearing: Check the looseness of joint, and the abnormal

sound;

2.3.25. Rear shaft rubber hinge: Check its damage;

2.3.26. Control arm rubber sleeve: Check its damage;

2.3.27. Check the brake system: Check the brake fluid level, the status of all connecting pipes,

leakage and damage, the working condition of the system, and repair or replace it, if

necessary;

2.3.28. Check the A/C system: Check its pressure, the leakage, abnormal sound, odor and the

working condition;

2.3.29. Check tire (including spare tire): Check the depth of tire pattern, which the depth of tire

pattern shall not be less than 1.6 mm; regulate the air pressure of tire: 230kPa for front

wheel, and 210 kPa for rear wheel; and check the wheel bolt tightening torque

(110±10Nm);

2.3.30. Check the chassis bolt: Check the chassis bolts one-by-one with a torque wrench, and

tighten it to the specified torque if loose ;

Body bottom protector: Visually check its damage;

2.3.31. Toe-in value and camber angle: Check the toe-in value, camber angle, and adjust it if

necessary (refer to the parameters above for the adjustment);

2.3.32. Check the spark plug: Check whether the spark plug has the carbon deposits, ablation

symptom, etc, and replace it if necessary (the service life of a spark plug is in general

30,000 KM);

2.3.33. Wedge belt: Check its tension, and regulate or replace it if necessar.Refer to the “Timing

belt” for the tension requirement after regulating;

2.3.34. Timing belt: Check its wear and tension, and regulate or replace it if necessary. The

tension requirement after the timing belt is regulated: In the intermediate position of two

wheels at the timing belt pulled side, when the timing belt is pressed down approx. 5 mm

by hand, the force required is: 19.6 - 29.4 N(2.0 - 3.0 kg);

2.3.35. Check the engine while idling: Check the working condition of the engine while

idling,check the working condition of electronic fuel injector parameters and exhaust with

the CHERY Company’s special tester, and adjust it if necessary;

2.3.36. Exhaust system: Check its leakage and damage, and regulate or replace it if necessary;

2.3.37. Lower the vehicle, and take off the “four-piece series” and the protective covers of left

and right fenders and the front protective cover;

2.3.38. Check the lighting, warning flasher devices, horn: Check its working condition;

2.3.39. Seat belt: Check its damage;

2.3.40. Trial driving: Check the display status of combination instrument, the working condition

of four-door regulator, and the function of the steering, braking and gear shifting

mechanisms, pay attention to the abnormal sound from the engine and body, and examine

and repair it, if necessary;

2.3.41. Look around the vehicle, and wash it if there is no abnormal symptom, then deliver the

vehicle to its owner.