Page 117 of 1903

Downloaded from www.Manualslib.com manuals search engine CONDITIONPOSSIBLE CAUSE CORRECTION
Engine Miss On Acceleration 1. Dirty or incorrectly gapped spark
plugs.
2. Contamination in fuel system.
7. Burned, warped, excessive
clearance, or pitted valves.
4. Faulty ignition coil(s).1. Clean spark plugs and set gap.
2. Clean fuel system and replace
fuel filter.
3. Replace valves.
4. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
Engine Miss At High Speed 1. Dirty or incorrect spark plug gap.
2. Faulty ignition coil(s).
3. Dirty fuel injector(s).
4. Contamination in fuel system.1. Clean spark plugs and set gap.
2. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
3. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
4. Clean system and replace fuel
filter.
Engine Mechanical Diagnostics
CONDITION
POSSIBLE CAUSE CORRECTION
Valve Train Noise 1. High or low oil level in crankcase.
2. Thin or diluted oil.
3. Thick oil.
4. Low oil pressure.
5. Worn cam lobe.
6. Worn valve guides.
7. Excessive runout of valve seats
on valve faces.1. Check and correct engine oil
level.
2. Change oil to correct viscosity.
3. Change engine oil and filter.
4. Check and correct engine oil
level.
5. Install new camshaft.
6. Replace cylinder head.
7. Grind valve seats and replace
valves.
Connecting Rod Noise 1. Insufficient oil supply.
2. Low oil pressure.
3. Thin or diluted oil.
4. Excessive bearing clearance.
5. Connecting rod journal out-of-
round.
6. Connecting rod out-of-round.
7. Misaligned connecting rods.
8. Connecting rod nuts loose.1. Check engine oil level.
2. Check engine oil level. Inspect oil
pump relief valve and spring.
3. Change oil to correct viscosity.
4. Measure bearings for correct
clearance. Repair if necessary.
5. Replace crankshaft or grind
surface.
6. Replace connecting rod.
7. Replace bent connecting rods.
8. Tighten the connecting rod nuts.
Main Bearing Noise 1. Insufficient oil supply.
2. Low oil pressure.
3. Thin or diluted oil.
4. Excessive bearing clearance.
5. Excessive end play.
6. Crankshaft journal out-of-round or
worn.
7. Loose flywheel or torque
converter.1. Check engine oil level.
2. Check engine oil level. Inspect oil
pump.
3. Change oil to correct viscosity.
4. Measure bearings for correct
clearance. Repair if necessary.
5. Check thrust bearing for wear on
flanges.
6. Replace crankshaft or grind
journals.
7. Tighten to correct torque.
DIAGNOSIS & TESTING
02–88Chery Automobile Co., Ltd.
Page 129 of 1903

Downloaded from www.Manualslib.com manuals search engine 4. Remove the crankshaft timing belt pulley bolt (2)from the crankshaft.
(Tighten: Crankshaft timing belt pulley bolt to 130
N·m and an additional 65°)
5. Remove the key-way from the crankshaft.
6. Using an appropriate tool, remove the front crank- shaft oil seal (1).
CAUTION:
Be careful not to damage the front cover seal
surface while removing the seal.
7. Installation is in the reverse order of removal.
Installation Notes:
• Lubricate the new front seal with engine oil prior to assembly.
• Use the front crankshaft seal installer CH-20007
(1), to install the new seal.
Rear Crankshaft Oil Seal
Removal & Installation
NOTE :
The following special tools are required to perform the repair procedure:
•CH-20005 - Rear Crankshaft Oil Seal Installer
• CH-20006 - Rear Crankshaft Oil Seal Guide
• CH-20043 - Flywheel Fixture
1. Remove the transaxle assembly (See Transaxle Assembly Removal & Installation in Section 08 Transaxle and Transfer Case).
2. Using special tool CH-20043 (1), hold the flywheel.
ON-VEHICLE SERVICE
LTSM020199
LTSM020216
LTSM080145
02
02–100Chery Automobile Co., Ltd.
Page 130 of 1903
Downloaded from www.Manualslib.com manuals search engine 3. If equipped with manual transaxle, remove clutchpressure plate retaining bolts (1) and remove the
clutch pressure plate.
(Tighten: Clutch pressure plate bolts to 25 N·m)
4. If equipped with manual transaxle, remove the fly- wheel bolts (1) and then remove the flywheel.
(Tighten: Flywheel bolts to 75 N·m)
5. If equipped with automatic transaxle, remove the drive plate retaining bolts (1) and then remove
drive plate.
(Tighten: Drive plate bolts to 75 N·m)
6. Remove the rear oil seal using a suitable tool.
7. Installation is in the reverse order of removal.
ON-VEHICLE SERVICE
BESM080046
BESM020058
BESM020031
02–101Chery Automobile Co., Ltd.
Page 182 of 1903

Downloaded from www.Manualslib.com manuals search engine Torque Specifications
CAUTION:
When torquing a fastener in two steps, DO NOT use a torque wrench for the second step.
DESCRIPTIONTORQUE (N·m)
Alternator Adjusting Bolt 10
Alternator Bracket Bolt 24
Alternator Center Nut 45
Camshaft Position Sensor Bracket 14
Camshaft Position Sensor 10
Camshaft Position Sensor Cylinder 22
Crank Belt Gear 25
Ignition Coil 10
Locking Bolt 22
Spark Piston 25
Water Pump Belt Gear 9
Timing Belt Automatic Tensioner Bolt 24
Belt Gear of Balance Axle 46
Central Belt Wheel Bolt 36
Lower Balance Shaft Bolt 55
Timing Belt Cover Bolts 11
Tensioner Wheel Bolt 49
Tensioner Arm Bolt 22
Tensioner Bracket 49
Timing Belt Indicator 09
Timing Belt Rear Cover 11
Upper Balance Shaft Tensioner Bolt 19
Camshaft Pulley Bolt 90
Crankshaft Pulley Bolt 120
Connecting Bolt of Outflow Pipe 20
EGR Valve 22
Exhaust Manifold Nut (M8) 30
Exhaust Manifold Nut (M10) 50
Fuel Pressure Regulator 9
Fuel Return Pipe 09
Injector and Distribution Pipe 12
Intake Manifold Bolt 20
Intake Manifold Bracket 14
Thermostat Housing Bolt 24
Water Pump Bolts 14
Rocker Cover Bolt 4
Rocker and Camshaft Assembly Bolt 32
Trust Bearing Cover Bolt 19
GENERAL INFORMATION
02–153Chery Automobile Co., Ltd.
Page 183 of 1903
Downloaded from www.Manualslib.com manuals search engine DESCRIPTIONTORQUE (N·m)
Cylinder Head Bolts 1st Step: Tighten the bolt to 78 N·m
2nd Step: Completely loosen the bolt
3rd Step: Retighten the bolt to 20 N·m
4th Step: Tighten the bolt an additional 90°
5th Step: Finish tightening the bolt an additional 90°
Engine Oil Pump Cover Bolt 16
Front Cover Bolts 24
Flange Bolt 37
Oil Pan Drain Plug 45
Oil Pan 18
Oil Pressure Switch 10
Oil Pressure Relief Plug 45
Oil Plug 24
Oil Strainer Screw Bolts 19
Oil Filter Adapter Bolts 19
Connecting Rod Nuts 1st Step: Tighten the nuts to 20 N·m
2nd Step: Tighten the nuts an additional 90°-100°
Flywheel Bolts 135
Oil Seal Cover Screw Bolts 11
Crankshaft Main Bearing Bolts 1st Step: Tighten the bolts to 25 N·m
2nd Step: Tighten the bolts an additional 90°-100°
Special Tools
Camshaft Pulley Spanner Wrench MB-990767
Driver HandleMB-990938
GENERAL INFORMATION
02
02–154Chery Automobile Co., Ltd.
Page 188 of 1903
Downloaded from www.Manualslib.com manuals search engine Crankshaft Pulley PullerMD-998778
Piston Disassembling and Assembling Tool MD-998780
Flywheel HolderMD-998781
Plug Spanner Fixer MD-998783
Upper Balance Shaft Pulley Holder MD-998785
GENERAL INFORMATION
02–159Chery Automobile Co., Ltd.
Page 193 of 1903

Downloaded from www.Manualslib.com manuals search engine CONDITIONPOSSIBLE CAUSES CORRECTION
Engine Miss On Acceleration 1. Dirty or incorrectly gapped spark
plugs.
2. Contamination in fuel system.
7. Burned, warped, excessive
clearance, or pitted valves.
4. Faulty ignition coil(s).1. Clean spark plugs and set gap.
2. Clean fuel system and replace
fuel filter.
3. Replace valves.
4. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
Engine Miss At High Speed 1. Dirty or incorrect spark plug gap.
2. Faulty ignition coil(s).
3. Dirty fuel injector(s).
4. Contamination in fuel system.1. Clean spark plugs and set gap.
2. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
3. Test and replace if necessary.
(Refer to Appropriate Diagnostic
Information)
4. Clean system and replace fuel
filter.
Engine Mechanical Diagnostics
CONDITION
POSSIBLE CAUSES CORRECTION
Valve Train Noise 1. High or low oil level in crankcase.
2. Thin or diluted oil.
3. Thick oil.
4. Low oil pressure.
5. Worn cam lobe.
6. Worn valve guides.
7. Excessive runout of valve seats
on valve faces.1. Check and correct engine oil
level.
2. Change oil to correct viscosity.
3. Change engine oil and filter.
4. Check and correct engine oil
level.
5. Install new camshaft.
6. Replace cylinder head.
7. Grind valve seats and replace
valves.
Connecting Rod Noise 1. Insufficient oil supply.
2. Low oil pressure.
3. Thin or diluted oil.
4. Excessive bearing clearance.
5. Connecting rod journal out-of-
round.
6. Connecting rod out-of-round.
7. Misaligned connecting rods.
8. Connecting rod nuts loose.1. Check engine oil level.
2. Check engine oil level. Inspect oil
pump relief valve and spring.
3. Change oil to correct viscosity.
4. Measure bearings for correct
clearance. Repair if necessary.
5. Replace crankshaft or grind
surface.
6. Replace connecting rod.
7. Replace bent connecting rods.
8. Tighten the connecting rod nuts.
Main Bearing Noise 1. Insufficient oil supply.
2. Low oil pressure.
3. Thin or diluted oil.
4. Excessive bearing clearance.
5. Excessive end play.
6. Crankshaft journal out-of-round or
worn.
7. Loose flywheel or torque
converter.1. Check engine oil level.
2. Check engine oil level. Inspect oil
pump.
3. Change oil to correct viscosity.
4. Measure bearings for correct
clearance. Repair if necessary.
5. Check thrust bearing for wear on
flanges.
6. Replace crankshaft or grind
journals.
7. Tighten to correct torque.
DIAGNOSIS & TESTING
02–164Chery Automobile Co., Ltd.
Page 206 of 1903
Downloaded from www.Manualslib.com manuals search engine Front Crankshaft Oil Seal
Removal & Installation
NOTE :
The following special tools are required to perform the repair procedure:
•MD-998778 - Crankshaft Belt Gear Puller
• MD-998781 - Flywheel Holder
1. Remove the accessory drive belt (See Accessory Drive Belt Removal & Installation in Section 02 Engine).
2. Remove the crankshaft vibration damper bolts (1). (Tighten: Crankshaft vibration damper bolts to 25
N·m)
3. Remove the engine timing belt (See Engine Timing Belt Removal & Installation in Section 02 Engine).
4. Install special tool MD-998781 (1), onto the flywheel.
5. Remove the crankshaft timing belt pulley bolt.
6. Using special tool MD-998778 (1), remove the crankshaft timing belt pulley from the crankshaft.
7. Remove the key-way from the crankshaft.
8. Using an appropriate tool, remove the front crankshaft oil seal.
ON-VEHICLE SERVICE
LTSM020153
LTSM020051 LTSM020052
02
02–177Chery Automobile Co., Ltd.