sensor GEELY FC 2008 User Guide

Engine mechanism - Engine assemblyCO HC Trouble occurrence Possible causes 28 Normal HighUnstable idle speed
Low HighUnstable idle speed
(HC readings not stable)
High HighUnstable idle speed
(black smoke emission)1. Ignition system malfunctionIgnition timing incorrect Spark plug too dirty, short circuit or clearance
incorrect
2. Valve clearance incorrect
3. Air inlet and exhaust valve leaky
4. Cylinder leaky
1. Vacuum leak:PCV hoseIntake manifoldThrottle bodyIdle speed stepping motorVacuum booster and pipelines
2. Fire caused by too thin mixing ratio
1. Air filter core blocked
2. PCV valve blocked
3. EFI system malfunctionFuel pressure regulator malfunctionWater temperature sensor malfunctionIntake pressure sensor malfunctionECU malfunctionInjection nozzle malfunctionThrottle position sensor malfunction

34. Remove power steering pump assembly.
35. Remove sub frame together with side member.(a) Remove front engine mounting assembly and rear en-
gine mounting assembly from engine assembly.
(b) Remove sub frame assembly.36. Remove starter mounting components
[4G18-3708100].
37. Remove transmission assembly.(a) Fix crankshaft with special tool, ant then remove 6 bolts.
(b) Remove transmission assembly.38. Remove clutch assembly [4G18-1601000]
and flywheel components [4G18-1005120J].(a) Fix crankshaft with special tool, ant remove clutch
assembly at first.
(b) Then remove flywheel components.39. Remove throttlesupporting plate [4G18-1008202].
40. Remove intake manifold assembly [4G18-
1008200].(f) As shown in the diagram, install front and rear hooks of
engine.
Torque: Hint: install engine hooks to front and rear sides of
engine.
(g) Lift engine assembly with chain pulley block and en-
gine lifting device.Engine mechanism - Engine assemblySpecial tool39 41. Remove exhaust manifold upper heat shield components [4G18-1008120].
42. Remove exhaust manifold assembly [4G18-1008100].
43. Remove fuel rail injector assembly [4G18-1112100].
44. Remove ignition coil installation components.
45. Remove oil level gauge tube components [4G18-1002140].
46. Remove temperature regulator assembly [4G18-1306100].
47. Disassemble warm air water outlet pipe components [4G18-1300100].
48. Remove oil pressure alerter [4G18-3757100].Remove oil pressure alerter with SST.49. Remove the hoses on all hose joint of engine.Remove clips and hose.50. Remove drive belt tensioner device.
51. Remove phase sensor [4G18-3600030].Engine hook
FrontRear

52. Remove speed sensor [4G18-3600010].
53. Remove knock sensor.Remove knock sensor with special tool.54. Remove water temperature sensor.Remove water temperature sensor with special tool.55. Replace engine assembly.
56. Install water temperature sensor.(a) Install new gasket to water temperature sensor.
(b) Install water temperature sensor with special tool.
Torque: 57. Install knock sensor.Install knock sensor with special tool.
Torque: m58. Install speed sensor.Install speed sensor and harness clips.
Torque: 59. Install phase sensor.Torque: 60. Install drive belt tensioner device.Torque: nut: m
Bolt: m61. Install the hoses on all hose joint of engine.Install clips and hose.62. Install oil pressure alerter.(a) Clean thread of oil pressure alerter and coat adhesive.
Adhesive: anaerobic pipe thread sealing adhesive 1545
(Kesaixin 1545)
(b) Install oil pressure alerter with special tool.
Torque: 63. Install warm air water outlet pipe components.Install new gasket and warm air water outlet pipe
components.
Torque: nut: m
Bolt: Engine mechanism - Engine assembly 40

Engine mechanism - Timing chain assemblyTiming chain assemblyReplacement1. Remove engine left bottom shield.
2. Remove engine right bottom shield.
3. Discharge coolant.
4. Remove engine plastic hood components.
5. Remove drive belt.
6. Remove power steering pump assembly.
7. Remove alternator assembly.
8. Uncouple engine wire harness.(a) Remove ignition coil joint, PS fuel pressure switch joint,
fuel line control joint and speed sensor joint.
(b) Remove bolts and nuts of fixed earth wire and put aside
engine wire harness.9. Remove ignition coil assembly.
10. Remove cylinder head cover components.(a) Remove fuel pipe retaining clip and 2 PCV hoses from
cylinder head cover.
(b) Remove 9 bolts, 2 seal washers, cylinder head cover
components and gasket.11. Remove right engine mounting assembly.(a) Remove PS oil pump reservoir and put it aside.
(b) Place wooden block between jack and engine, prop-
erly place the jack, and then remove right engine mount-
ing assembly.12. Turn crankshaft to cylinder 1 compression top
dead center position.
13. Remove damping pulley components
[4G18-1005110].Remove pulley bolts with special tool.
Remove damping pulley components with special tool.Special
tool
Special
tool45

Engine mechanism - Timing chain assembly14. Remove drive belt tensioner device.Hint: operate the jack up and down to remove bolts.15. Remove water pump components [4G18-1307110].(a) Remove 6 bolts and water pump components.16. Remove engine stabilizer bracket on engine cross
member.
17. Remove compressor.
18. Remove speed sensor.
19. Remove chain tensioner components
[4G18-1006160].Note: do not turn crankshaft before installing chain
tensioner components.20. Remove timing chain hood components
[4G18-1006140].(a) Remove 11 bolts and nuts.
(b) Remove studs with star wrench.
(c) Pry open timing chain hood from timing chain hood pro-
trusion part between cylinder head and body with screw-
driver and remove it.
Note: be careful not to damage timing chain
hood, the contact surface of cylinder head and
body.21. Remove crankshaft front oil seal assembly
[4G18-1006150].Remove oil seal with screwdriver.22. Remove speed sensor signal panel
[4G18-3600011A].
23. Remove chain tension rail components
[4G18-1006120].
24. Remove chain guide rail components
[4G18-1006130].
25. Remove timing chain [4G18-1006110].Remove it with 2 screwdrivers.
Notes:Place a piece of cloth to protect engine.In the state of timing chain separating from timing
sprocket and turning camshaft, turn crankshaft 1/4
circle to avoid valve contacting with piston.26. Install timing chain.(a) Turn crankshaft to cylinder 1 compression top dead
center position.
(1) Turn camshaft from hexagon head part of
camshaft, and align dot marks on camshaft timing
sprocket.46

Engine mechanism - Timing chain assembly(2) Use damping pulley bolts to turn crankshaft with its key
toward upward.
(b) Install timing chain on crankshaft timing sprocket and
align the chain link having yellow mark with timing mark
of crankshaft timing sprocket.
Hint: there are 3 yellow chain links on the timing chain.(c) Install crankshaft timing sprocket with special tool.
(d) Install timing chain on camshaft timing sprocket and
align the chain link having yellow mark with camshaft
timing sprocket.27. Install chain guide rail components.Torque: m28. Install chain tension rail components.Torque: 29. Install speed sensor signal panel.Install signal panel with “F” mark toward forward.Toward portSet key
Yellow
mark
Timing mark
Special tool
Color (yellow) mark
Timing mark 47

Engine mechanism - Timing chain assembly34. Install speed sensor.Torque: 35. Install engine fixing bracketTorque: 36. Install water pump mounting components
[4G18-1307100].(a) Install new o-ring on water pump.
(b) Install water pump with 6 bolts.
Torque: bolt A: m37. Install drive belt tensioner device.Torque: nut: Bolt: m38. Install right engine mounting assembly.Torque: 39. Install cylinder head cover components.(a) Install gasket to cylinder head cover.
(b) Eliminate all old seal materials.
(c) Coat sealant on 2 positions shown in the diagram.
Sealant: silicon rubber flange sealant 1596
(Kesaixin 1596).
Notes:Eliminate all grease on contact surface.After coating sealant, finish installation of cylinder
head cover within 3 minutes.After installing, do not refill engine oil within 2
minutes.
(d) Install cylinder head cover and cable bracket with 9 bolts,
2 seal washers and 2 nuts.
Torque: nut: Bolt: m40. Install ignition coil mounting components.Torque: 50

Exhaust - Exhaust pipe assemblyExhaustExhaust pipe assemblyRemoving, installing and disassembling, assembling1. Remove oxygen sensor.(a) Uncouple oxygen sensor joint.
(b) Remove oxygen sensor.2. Remove exhaust pipe guard [64000051].
3. Remove front exhaust pipe together with three-way catalytic converter assembly
[64000042].
4. Remove middle exhaust pipe together with middle silencing device assembly [64000043].
5. Remove rear exhaust pipe together with rear silencing device assembly [64000044].
6. Install front exhaust pipe together with three-way catalytic converter assembly [64000042].(a) Measure free length of compression spring with vernier caliper.
Free length: 43mm
Hint: if the free length does dot reach the standard value, it is necessary to replace compres-
sion spring.
(b) Gently knock silencing device inlet seal ring to exhaust manifold with hammer and wooden block until
the surfaces are parallel and level with each other.
Notes:Gently knock gasket toward positive direction.Do not repeat using the gasket that has been removed.Do not push the gasket in by means of tightening
bolt connection.
(c) Install exhaust pipe.
Torque: 43 N.m7. Install oxygen sensor.Torque: 44 N.m9. Install rear exhaust pipe together with rear guard
assembly [64000044].(a) Measure free length of compression spring with vernier
caliper.
Free length: 40mm
Hint: if the free length does dot reach the standard value, it is necessary to replace com-
pression spring.
(b) Install tail pipe to front pipe using a new gasket.
Torque: 43 N.m10. Install front exhaust pipe guard [64000051].
11. Check there is gas leakage with exhaust system.wooden
blockGaskett8. Install middle exhaust pipe together with middle si-
lencing device assembly [64000043].Couple front intake pipe of middle exhaust pipe together with
middle silencing device assembly with outlet pipe of front ex-
haust pipe together with three-way catalytic converter using a
new gasket.Torque: 43 N.mTail pipe sideGasket65

Cooling - Cooling fan systemCooling fan systemOn-vehicle inspection1. Check cooling fan function at low temperature (below 95).(a) Turn ignition switch to ON.
(b) Check cooling fan is stopped.
Hint: if it is not stopped, check cooling fan relay and water temperature sensor, or check the
joint or wire harness between them.
(c) Uncouple water temperature sensor joint.
(d) Check cooling fan runs.
If it does not run, check fuse, cooling fan relay, engine ECU and cooling fan, or check there is short
circuit between them.
(e) Connect back water temperature sensor joint.2. Check cooling fan function at high temperature (above 95).(a) Start engine and increase coolant temperature up to above Hint: water temperature is the value measured by water temperature sensor on water outlet.
(d) Check cooling fan runs.
Hint: if it does not run, please replace water temperature sensor.3. Check cooling fan.(a) Uncouple cooling fan joint.
(b) Connect battery and ampere meter to cooling fan joint.
(c) Check cooling fan runs normally and check ampere meter reading.Standard current: 712A
(d) Connect back cooling fan joint.Inspection1. Electronic fan relay [67000064]
2. Electronic fan relay II [67000072]
3. Cooling fan speed adjusting resistance assembly
[67000001]Measure resistance between terminals with ohmmeter.
Resistance: at normal temperature: 1.368 Specified
conditions
Normal stateConductionConductionTerminal connected
by three-use meter Conditions
Supply battery voltage
to No. 1 and No. 2
terminals
Specified
conditions
Normal stateConductionConductionTerminal connected
by three-use meter Conditions
Supply battery voltage
to No. 1 and No. 2
terminals

Ignition - Ignition systemSpark plug
cleaneOn-vehicle inspection1. Phase sensor(a) Turn on ignition switch but do not start engine, and place digital universal meter at DC voltage gear,
then connect 2 terminals respectively to 1# pin and 3# pin of sensor, and ensure the voltage is 12V.
(b) Start engine, and phase signal is read by 2# pin via vehicle oscilloscope.2. Speed Sensor(a) Remove speed sensor joint.
(b) Place digital universal meter at ohm gear, and connect 2 terminals respectively to 2# pin and 3# pin of
sensor, and the resistance at should be 8601/2 ±801/2.
(c) Connect speed sensor joint.
(d) Place digital universal meter at AC voltage gear, and connect 2 terminals respectively to 2# pin and 3#pin of sensor, and start engine, there should be voltage output at the moment.(It is recommended to
check with vehicle oscilloscope)IgnitionIgnition systemInspection1. Spark plug(a) Clean spark plug.
Air pressure: below 588kPa.
Time: 20 s or less
(b) Check the damage condition of spark plug and insulator. If
there is something abnormal, please replace with new spark
plug.
Recommended spark plug specification:
Made in Xianghuoju Company: K6RTC
(c) Adjust electrode gap.
Electrode gap: 0.8mm77