warning CHERY TIGGO 2009 Service Owner's Guide

Downloaded from www.Manualslib.com manuals search engine GENERAL INFORMATION
Description
The fuel system consists of a fuel tank with a reservoir, fuel pump, fuel filter, fuel delivery line, fuel rail, fuel rail pulse
damper and fuel injectors. The Engine Control Module (ECM) controls the fuel system based on signal inputs. The
immobilizer module signals the ECM to activate the fuel system. If the ECM does not receive the proper signal from
the immobilizer module, the ECM will not allow the fuel system to operate.
•The ACTECO engine utilizes a returnless fuel delivery system.
• The MITSUBISHI engine utilizes a fuel return fuel delivery system.
WARNING!
Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related
component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instruc-
tions may result in serious personal injury.
Fuel Filler Assembly
1 - Fuel Filler Cap Assembly
2 - Fuel Filler Shield
3 - Fuel Filler Tube Assembly
4 - Bolt
5 - Hose Clamp
6 - Fuel Filler Hose
7 - Fuel Filler Air Hose8 - Fuel Tank Assembly
9 - Electric Fuel Pump Assembly
10 - Fuel Delivery Pipe Assembly
11 - Fuel Return Pipe Assembly
12 - Hose Clamp
13 - Bolt
LTSM040008
04–2Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine DIAGNOSIS & TESTING
Fuel Pressure Test
WARNING!
Fuel in the fuel system remains under high pressure, even when the engine is not running. Before servicing or
disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved to
prevent accidental spraying of fuel (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery). Failure to
follow these instructions may result in serious personal injury or death.
Perform the following procedure to test for proper fuel pressure.
WARNING!
Wrap towels around hoses to catch any gasoline spillage.
1. Remove the protective cap and connect the fuel pressure gauge (2) to the fuel rail service test port pressurefitting (1) on the fuel rail (3).
2. Start and warm the engine and note the pressure gauge reading:
1.6L & 1.8L & 2.0L
• Fuel pressure at idle: 400-420 kPa (4.0 - 4.2 bar)
BESM030020
04–12Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine ON-VEHICLE SERVICE
Fuel Pressure Relief Procedure
Description
WARNING!
Fuel in the fuel system remains under high pressure, even when the engine is not running. Before servicing or
disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved to
prevent accidental spraying of fuel. Failure to follow these instructions may result in serious personal injury or
death.
Perform the following procedure to relieve fuel pressure from the fuel system:1. Remove the cover of the front fuse and relay box.
2. Identify and remove the fuel pump relay from the front fuse and relay box.
3. Start and run engine until it stalls.
4. Attempt to restart engine until it will no longer run.
5. Turn the ignition key to the OFF position.
Fuel Pump
Description
The fuel pump assembly contains the fuel pump motor and fuel level sensor.
Operation
The Engine Control Module (ECM) activates the fuel pump relay for several seconds after the ignition switch is
turned ON. When the relay is activated, it provides voltage to the fuel pump. When the ECM receives an engine
speed signal from the Crankshaft Position (CKP) sensor and a signal from the Immobilizer control module, the ECM
will energize the fuel pump relay.
NOTE :
• The electric fuel pump has different flow ratings based on engine requirements
• For service, the part number of the replacement fuel pump must be the equivalent of the original fuel pump
• Do not operate the fuel pump dry, this will damage the fuel pump
• Keep the fuel tank and pipeline clean, and replace the fuel filter if the fuel pump is replaced
Removal & Installation
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well-ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
NOTE :
The following special tool is required to perform the repair procedure:
•CH-20032 - Fuel Pump Remover
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Remove the rear seat cushion.
04
04–15Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4. Remove the fuel pump cover (1).
5. Disconnect the fuel pump connector (3) and thefuel delivery hose (2) and fuel return hose (1).
6. Using special tool CH-20032, remove the fuel pump mounting cover (4).
7. Pull the fuel pump up and out of the fuel tank.
WARNING!
Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-
related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these
instructions may result in serious personal injury or death.
Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when
working on or near any fuel-related component. Highly flammable mixtures are always present and may be
ignited. Failure to follow these instructions may result in serious personal injury or death.
When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage.
Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instruc-
tions may result in serious personal injury or death.
NOTE :
Make sure not to spill fuel inside of the vehicle. 8. Tip the fuel pump on its side and drain the fuel from the fuel pump and remove the fuel pump from the vehicle. NOTE: To keep the fuel tank portion clean and to avoid damage and foreign materials, cover them completely
with plastic bags or something similar.
9. Remove and discard the seal from the fuel tank.
10. Installation is in the reverse order of removal.
Installation Notes:
• Install a new seal to the fuel pump sealing surface.
• Turn the ignition switch to ON (without starting the engine) to apply fuel pressure to the fuel system, then
check the connections for fuel leaks.
• Start the engine and let it idle and check for fuel leaks at the fuel system connections.
ON-VEHICLE SERVICE
LTSM040001
LTSM040002
04–16Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Fuel Filter
Description
The fuel filter consists of a housing with an integrated filter element.
Operation
The fuel flows through the filter from the outside to the inside. As a result, any impurities are trapped inside the filter.
Removal & Installation
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well-ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Remove the fuel delivery hose (1), fuel outlet hose(2) and the ground wire (3).
4. Remove the fuel filter.
5. Installation is in the reverse order of removal.
Installation Notes:
• Verify there are no leaks at the fuel line connec-
tions of the fuel filter.
ON-VEHICLE SERVICE
LTSM040003
04–18Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Fuel Injector Rail
Description
The fuel rail is used to mount the fuel injectors to the engine and it is mounted to the intake manifold.
Operation
The fuel rail supplies the necessary fuel to each individual fuel injector and is located above the intake manifold and
fuel injectors.
Removal & Installation - 1.6L & 1.8L & 2.0L
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well-ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Remove the engine cover.
4. Disconnect the electrical connectors (1) from thefuel injectors.
5. Remove the fuel line (2) from the fuel rail.
6. Remove the two fuel rail (4) bracket bolts (3) that mount the fuel rail to the intake manifold.
(Tighten: Fuel rail bracket bolts to 11 N·m)
7. Remove the fuel rail with the four fuel injectors (1).
8. Installation is in the reverse order of removal.
Installation Notes:
• Install new seals on the fuel injector sealing
surfaces.
ON-VEHICLE SERVICE
BESM040003
BESM040005
04
04–19Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Removal & Installation - 2.4L
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well-ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Disconnect four fuel injector electrical connectors(1).
4. Remove the fuel pressure regulator (See Fuel Pressure Regulator Removal & Installation in Section 04 Fuel Delivery).
5. Remove the two fuel rail mounting bolts. (Tighten: Fuel rail mounting bolts to 12 N·m)
6. Remove the fuel rail with the four fuel injectors.
7. Installation is in the reverse order of removal.
Installation Notes:
• Install new seals on the fuel injector sealing surfaces.
Fuel Injector
Description
The fuel injectors are positioned in the intake manifold with the nozzle ends directly above the intake valve port.
Operation
Injector operation is controlled by a ground path provided for each injector by the Engine Control Module (ECM).
Injector on-time (pulse-width) is variable, and is determined by the ECM. Based on the engine operating conditions,
the ECM will control injector pulse-width operation to obtain optimum performance.
Removal & Installation - 1.6L & 1.8L & 2.0L
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Remove the engine cover.
4. Remove the ground cable on the cylinder head.
ON-VEHICLE SERVICE
LTSM020173
04–20Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 5. Disconnect the electrical connectors (1) from thefuel injectors.
6. Remove the fuel line (2) from the fuel rail.
7. Remove the two fuel rail (4) bracket bolts (3) that mount the fuel rail to the intake manifold.
(Tighten: Fuel rail bracket bolts to 11 N·m)
8. Remove the fuel injectors (1) from the fuel rail.
9. Installation is in the reverse order of removal.
Installation Notes:
• Coat the surface of the O-ring seals with clean engine oil before installing the fuel injector. Be careful not to
damage the O-ring seals when inserting the fuel injector into the fuel distribution tube.
Removal & Installation - 2.4L
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
3. Disconnect four fuel injector electrical connectors
(1).
ON-VEHICLE SERVICE
BESM040003
BESM040005
LTSM02017304
04–21Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Fuel Pressure Regulator - With Mitsubishi 2.4L Engine
Description
The fuel pressure regulator is connected to the fuel rail. The fuel pressure regulator has a vacuum connection to it.
The fuel pressure regulator is used to regulate the fuel pressure in the fuel system.
NOTE :
The 2.4L is the ONLY engine that uses an external fuel pressure regulator.
Operation
The fuel pressure regulator is designed to keep the fuel pressure in the fuel system at a constant pressure. It does
this with a spring-loaded diaphragm that controls a valve. The valve, when opened by excessive pressure in the fuel
lines, uncovers a fuel line that returns excess fuel to the fuel tank. The vacuum connection is there to help reduce
emissions during deceleration. During deceleration, the vacuum connection serves to open the fuel return valve
wider, which reduces pressure in the system and prevents excess hydrocarbon emissions due to less fuel being
injected as a result of the lower pressure in the system.
Removal & Installation
WARNING!
Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas
and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or death.
1. Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
2. Disconnect the negative battery cable.
ON-VEHICLE SERVICE
LTSM040007
04
04–23Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Removal & Installation - 2.4L
1. Disconnect the negative battery cable.
2. Remove the engine drive belt (See Drive BeltRemoval & Installation in Section 02 Engine).
3. Remove the generator cable nut (1) connecting the positive cable to the generator.
(Tighten: Generator cable nut to 10 N·m)
4. Disconnect the electrical connector (2).
5. Remove the two generator adjustment bracket bolts (1).
(Tighten: Generator adjustment bracket bolts to
25 N·m)
6. Remove the generator from the engine.
7. Installation is in the reverse order of removal.
Generator Inspection
1. Start the engine. NOTE: If the battery warning lamp illuminates, there may be a problem with the charging system.
2. With the engine running, check the output voltage of the generator with a digital multimeter (note the voltage).
3. If the voltage is between 14.1 V - 14.7 V, the generator is good.
ON-VEHICLE SERVICE
LTSM050003
LTSM050004
05–18Chery Automobile Co., Ltd.