2006 SUZUKI SX4 Pump

Downloaded from www.Manualslib.com manuals search engine Engine Cooling System: 1F-2
Schematic and Routing Diagram
Coolant CirculationS6RW0D1602001
While the engine is warmed up (thermostat closed), coolant circulates as follows.
When coolant is warmed up to normal temperature and the thermostat opens, coolant passes through the radiator
core to be cooled as follows.
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5
6
4
3
2
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1. Radiator inlet hose 3. Thermostat 5. Throttle body 7. Heater core
2. Radiator outlet hose 4. Water pump 6. Engine 8. Radiator
7
5
6
4
3
2
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I5RW0C160002-02
1. Radiator inlet hose 3. Thermostat 5. Throttle body 7. Heater core
2. Radiator outlet hose 4. Water pump 6. Engine 8. Radiator

Downloaded from www.Manualslib.com manuals search engine 1F-3 Engine Cooling System:
Diagnostic Information and Procedures
Engine Cooling Symptom DiagnosisS6RW0D1604001
Condition Possible cause Correction / Reference Item
Engine overheats
(Radiator fan operates)Loose or broken water pump beltAdjust or replace.
Not enough coolantCheck coolant level and add as necessary.
Faulty thermostatReplace.
Faulty water pumpReplace.
Dirty or bent radiator finsClean or remedy.
Coolant leakage on cooling systemRepair.
Clogged radiatorCheck and replace radiator as necessary.
Faulty radiator capReplace.
Dragging brakesAdjust brake.
Slipping clutchReplace.
Poor charge batteryCheck and replace as necessary.
Poor generation generatorCheck and repair.
ECT sensor faultyCheck and replace as necessary.
Radiator fan motor faultyCheck and replace as necessary.
ECM faultyCheck and replace as necessary.
Wiring or grounding faultyRepair as necessary.
Equipped with too much electric load
part(s)Dismount.
Engine overheats
(Radiator fan does not
operate)Fuse blownCheck fuse of relay/fuse box and check for
short circuit to ground.
Radiator cooling fan relay faultyCheck and replace as necessary.
ECT sensor faultyCheck and replace as necessary.
Radiator cooling fan motor faultyCheck and replace as necessary.
Wiring or grounding faultyRepair as necessary.
ECM faultyCheck and replace as necessary.

Downloaded from www.Manualslib.com manuals search engine Engine Cooling System: 1F-4
Repair Instructions
Cooling System ComponentsS6RW0D1606001
I5RW0C160012-01
1. Radiator 11. Thermostat case water outlet pipe 21. Heater outlet No.1 hose
2. Reservoir 12. Thermostat case 22. Radiator cooling fan assembly
For disassembly and reassembly, refer
to “Radiator Cooling Fan Disassembly
and Reassembly”.
3. Radiator cap 13. Thermostat 23. To cylinder head
4. Drain plug 14. Thermostat cap 24. To water pump
5. Radiator outlet hose 15. Water bypass No.1 hose 25. To heater core
6. Radiator inlet hose 16. Water inlet No.1 pipe : 15 N⋅m (1.5 kgf-m, 11.0 lb-ft)
7. Water outlet cap 17. Water inlet hose : 33 N⋅m (3.3 kgf-m, 24.0 lb-ft)
8. ECT sensor 18. Water inlet No.2 pipe : Do not reuse.
9. Water outlet cap gasket 19. Radiator support bracket bolt
10. O-ring 20. Heater inlet hose

Downloaded from www.Manualslib.com manuals search engine Engine Cooling System: 1F-10
Water Pump / Generator Drive Belt Tension
Inspection and Adjustment
S6RW0D1606014
WARNING!
• Disconnect negative cable at battery
before checking and adjusting belt
tension.
• To help avoid danger of being burned, do
not remove radiator cap while engine and
radiator are still hot. Scalding fluid and
steam can be blown out under pressure if
cap is taken off too soon.

1) Inspect belt for cracks, cuts, deformation, wear and
cleanliness. If it is necessary to replace belt, refer to
“Water Pump / Generator Drive Belt Removal and
Installation”.
2) Check belt for tension. Belt is in proper tension when
it deflects the following specification under thumb
pressure (about 100 N (10kgf, 22 lbs.).
If belt tension is out of specification, go to next steps.
Water pump / generator drive belt tension
“a”: 4.5 – 5.5 mm (0.18 – 0.22 in.) as deflection /
100 N (10kgf, 22lbs)
NOTE
When replacing belt with a new one, adjust
belt tension to 4.0 – 4.5 mm (0.16 – 0.18 in.).

3) After loosening generator bracket bolts (2) and pivot
bolt (3), adjust belt tension to specification described
at step 2) by loosening / tightening generator adjust
bolt (1).
4) Tighten generator bracket bolts and pivot bolt as
specified torque.
Tightening torque
Generator bracket bolt (a): 25 N·m (2.5 kgf-m,
18.0 lb-ft)
Generator pivot bolt (b): 50 N·m (5.0 kgf-m, 36.0
lb-ft)5) Check belt tension for specification after turning
crankshaft two rotations clockwise.
6) Tighten generator adjusting bolt (1) as specified
torque.
Tightening torque
Generator adjusting bolt (c): Tighten 7.0 N⋅m
(0.7 kgf-m, 5.0 lb-ft) by the specified procedure.
7) Connect negative cable at battery.
Water Pump / Generator Drive Belt Removal and
Installation
S6RW0D1606015
Removal
1) Disconnect negative cable at battery.
2) If vehicle equipped with A/C, remove compressor
drive belt before removing water pump belt (1).
Refer to “Compressor Drive Belt Removal and
Installation in Section 7B” or “Compressor Drive Belt
Removal and Installation in Section 7B”.
3) Loosen generator bracket bolts (2) and generator
pivot bolt (3).
4) Loosen generator adjusting bolt (4), and then
remove water pump belt.
a
I5RW0C160006-01
1, (c)
2, (a)
3, (b)
I5RW0C160007-01
4
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1
I5RW0C160008-01

Downloaded from www.Manualslib.com manuals search engine 1F-11 Engine Cooling System:
Installation
1) Install belt (1) to water pump pulley (2), crankshaft
pulley (3) and generator pulley (4).
2) Adjust belt tension referring to “Water Pump /
Generator Drive Belt Tension Inspection and
Adjustment”.
3) If vehicle equipped with A/C, install compressor drive
belt referring to “Compressor Drive Belt Removal
and Installation in Section 7B” or “Compressor Drive
Belt Removal and Installation in Section 7B”.
4) Connect negative cable at battery.
Water Pump Removal and InstallationS6RW0D1606016
Removal
1) Disconnect negative cable at battery.
2) Drain coolant.
3) Remove water pump / generator drive belt referring
to “Water Pump / Generator Drive Belt Removal and
Installation”.
4) Remove water pump pulley.
5) Remove water pump assembly (1).Installation
1) Apply sealant to mating surface of water pump (1) as
shown in figure.
“A”: Water tight sealant 99000–31250 (SUZUKI
Bond No.1207F)
Sealant quantity (to mating surface of water
pump)
Width “a”: 3 mm (0.12 in.)
Height “b”: 2 mm (0.08 in.)
2) Install water pump assembly (1) to cylinder block
and tighten bolts and nut to specified torque.
Tightening torque
Water pump bolt and nut (a): 25 N·m (2.5 kgf-m,
18.0 lb-ft)
3) Install water pump pulley.
4) Install water pump / generator drive belt referring to
“Water Pump / Generator Drive Belt Removal and
Installation”.
5) Install A/C compressor belt referring to “Compressor
Drive Belt Removal and Installation in Section 7B” or
“Compressor Drive Belt Removal and Installation in
Section 7B”.
6) Refill cooling system referring to Step 7) to 17) of
“Cooling System Flush and Refill”.
7) Connect negative cable at battery.
8) Check each part for leakage.
2
1
34I5RW0C160009-01
I5RW0C160011-01
I3RM0A160016-01
I5RW0C160010-01

Downloaded from www.Manualslib.com manuals search engine Engine Cooling System: 1F-12
Water Pump InspectionS6RW0D1606017
CAUTION!
Do not disassemble water pump.
If any repair is required on pump, replace it
as assembly.

Rotate water pump by hand to check for smooth
operation. If pump does not rotate smoothly or makes
abnormal noise, replace it.
Specifications
Tightening Torque SpecificationsS6RW0D1607001
NOTE
The specified tightening torque is also described in the following.
“Cooling System Components”

Reference:
For the tightening torque of fastener not specified in this section, refer to “Fasteners Information in Section 0A”.
Special Tools and Equipment
Recommended Service MaterialS6RW0D1608001
I2RH0B160019-01
Fastening partTightening torque
Note
N⋅mkgf-mlb-ft
Radiator support bracket bolt 33 3.3 24.0)
Generator bracket bolt 25 2.5 18.0)
Generator pivot bolt 50 5.0 36.0)
Generator adjusting bolt Tighten 7.0 N⋅m (0.7 kgf-m, 5.0 lb-ft) by the
specified procedure.)
Water pump bolt and nut 25 2.5 18.0)
Material SUZUKI recommended product or Specification Note
Water tight sealant SUZUKI Bond No.1207F P/No.: 99000–31250)

Downloaded from www.Manualslib.com manuals search engine 1G-1 Fuel System:
Engine
Fuel System
Precautions
Precautions on Fuel System ServiceS6RW0D1700001
WARNING!
Before attempting service of any type on fuel system, the following should be always observed in
order to reduce the risk of fire and personal injury.
• Disconnect negative cable at battery.
• Do not smoke, and place no smoking signs near work area.
• Be sure to have CO
2 fire extinguisher handy.
• Be sure to perform work in a well-ventilated area and away from any open flames (such as gas hot
heater).
• Wear safety glasses.
• To relieve fuel vapor pressure in fuel tank, remove fuel filler cap from fuel filler neck and then
reinstall it.
• As fuel feed line is still under high fuel pressure even after stopping engine, loosening or
disconnecting fuel feed line directly may cause dangerous spout of fuel. Before loosening or
disconnecting fuel feed line, make sure to relieve fuel pressure referring to “Fuel Pressure Relief
Procedure”.
• A small amount of fuel may be released when the fuel line is disconnected. In order to reduce the
risk of personal injury, cover a shop cloth to the fitting to be disconnected. Be sure to put that cloth
in an approved container after disconnecting.
• Never run engine with fuel pump relay disconnected when engine and exhaust system are hot.
• Note that fuel hose connection varies with each type of pipe. Be sure to connect and clamp each
hose correctly referring to “Fuel Hose Disconnecting and Reconnecting”.
After connecting, make sure that it has no twist or kink.
• When installing injector or fuel feed pipe, lubricate its O-ring with gasoline.
• When servicing the fuel tank, it should be treated with respect, with no contact with sharp edges or
hot surfaces. In addition, the fuel tank should not be dropped since fuel tank, fuel pump and other
components can be damaged by the impact. If dropped, all components should be replaced because
there is a risk of damage.
• The fuel tank is made of resin.
Be sure not to allow solvent (chemical article such as grease and sealant) to attach to the fuel tank
as some chemical reaction may occur, causing the fuel tank to be swollen, hardened or distorted
leakage and resulting in fuel leakage from the fuel tank.

Downloaded from www.Manualslib.com manuals search engine Fuel System: 1G-2
General Description
Fuel System DescriptionS6RW0D1701001
CAUTION!
This engine requires the unleaded fuel only.
The leaded and/or low lead fuel can result in
engine damage and reduce the effectiveness
of the emission control system.

The main components of the fuel system are fuel tank,
fuel pump assembly (with fuel filter, fuel level gauge, fuel
pressure regulator), fuel feed line and fuel vapor line.
For the details of fuel flow, refer to “Fuel Delivery System
Diagram”.
Fuel Delivery System DescriptionS6RW0D1701002
The fuel delivery system consists of the fuel tank, fuel
pump assembly (with built-in fuel filter and fuel pressure
regulator), delivery pipe, injectors and fuel feed line.
The fuel in the fuel tank is pumped up by the fuel pump,
sent into delivery pipe and injected by the injectors.
As the fuel pump assembly is equipped with built-in fuel
filter and fuel pressure regulator, the fuel is filtered and
its pressure is regulated before being sent to the feed
pipe.
The excess fuel at fuel pressure regulation process is
returned back into the fuel tank.
Also, fuel vapor generated in fuel tank is led through the
fuel vapor line into the EVAP canister.
For system diagram, refer to “Fuel Delivery System
Diagram”.
Fuel Pump DescriptionS6RW0D1701003
The fuel pump (1) is an in-tank type electric pump.
Incorporated in the pump assembly are;
a fuel filter (2), a fuel pressure regulator (3) and a fuel
level sensor (gauge) (4).
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