Engines Great Wall GW491QE, repair e-manual

Content

Engine service and maintenance data

• Key technical parameters for model GW491QE petrol engine
• Specification and adjustment parameters for key components
• Technical data for maintenance
• Tightening torque for fastening elements
• Troubleshooting
• Engine service / maintenance data

United electronic engine management system

• Description of system
• Precautions to the maintenance of electric-injection system
• Analysis of the function / principal / failure for system parts and components
• General troubleshooting and steps to engine
• Criterion to flashing code / mounting torque of components within M1.5.4 system
• Description of the diagnosis function on M7.9.7 system failure
• M7.9.7 system service and diagnosis flow process based on fault code

Delphi engine management system

• Description of system
• MT20U system control
• Determination on the principal / utility /failure of key system parts
• Methods for failure diagnosis / fault codetospareparts
• Precautions to the use / service / troubleshooting of electrical injection system
• Troubleshooting

Engine body

• Disassembly figure of engine body
• Preparations before and key points to the disassembly of engine body
• Disassembly of engine body
• Inspection on engine body
• Inspection on camshaft components
• Disassembly of piston and connection-rod components
• Inspection on piston and connection-rod components
• Assembly of piston and connection-rod components
• Installation of engine body
• Assembly of engine body

Cylinder head

• Disassembly figures for cylinder head
• Dismantle of cylinder head
• Disassembly of cylinder head
• Clean up / inspection on each spare part
• Assembly of cylinder head
• Installation of cylinder head

Valve mechanism

• Disassembly diagram for valve mechanism
• Disassembly of timing chain / camshaft
• Inspection and repair for timing chain / camshaft components
• Replacement of front oil seal on crankshaft
• Installation of timing chain / camshaft

Cooling system

• Composition and characteristics of cooling system
• Inspection /change of coolant for engine
• Cooling water pump
• Thermostat
• Radiator

Lubrication system

• Composition / function of lubrication system
• Inspection on machine-oil pressure
• Change of engine oil / oil filter
• Oil pump

Ignition system

• Preventive measures
• Circuit diagram / vehicle inspection of ignition system
• Inspection on high-tension wiring
• Inspection on spark plug

Starting system

• Structure / circuit diagram of starter
• Disassembly of starter
• Inspection on starter
• Assembly of starter
• Testing on starter

Charge device

• Structure drawing / electrical schematic diagram of generator
• Inspection on vehicle
• Disassembly of AC generator
• Inspection on AC generator
• Assembly of AC generator

Clutch

• Dismantle of clutch components
• Inspection on clutch comonent
• Assembly of clutch components

Customers reviews