MARUTI SUZUKI Wagon R, Manual

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1G-11 Fuel System: LPG
Fuel Pressure Relief Procedure
AENAR90A1706003
CAUTION
!
Never perform this work when engine is hot.
Doing so may cause adverse effect to
catalyst.
NOTE
If ECM detects DTC(s) after servicing, clear
DTC(s) referring to “DTC Clearance”: Bi-Fuel
LPG model in Section 1A.
LPG System
1) Make sure that engine is cold.
2) Place gear shift lever in “Neutral” and apply parking
brake and block drive wheels.
3) Turn manual valve (1) of LPG tank valve to close
position.
4) Turn ignition switch to ON position and select
“Forced LPG MODE” with selector switch.
5) Start engine and run it until engine stops for lack of
LPG. Repeat cranking engine 2 – 3 times for about 3
seconds each time to dissipate LPG pressure in
lines. LPG fuel feed line connections are now safe
for servicing.
Fuel Leakage Check Procedure
AENAR90A1706004
LPG System
CAUTION
!
• Clean inspection points with mild detergent if they are particularly dirty.
• Any parts that have been deformed should be replaced with new one, even if LPG fuel leak check
fails to find any LPG fuel leaks.
1. LPG Pipe no.1 21. LPG Hose clip 41. LPG regulator water hose clip
2. LPG Pipe Joint 22. LPG Pipe Bracket Bolt 42. LPG Injector Hose Clip (Injection side)
3. LPG Pipe no.2 23. LPG Hose-Water Tube Inlet no. 1 43. LPG Injector Hose Clip (Intake side)
4. LPG Clamp Bracket 24. LPG Hose-Water Tube Inlet no. 2 44. LPG Water tube Clamp
5. LPG Pipe Clamp 25. LPG Hose-Water Tube Inlet no. 3 45. LPG Vacuum hose clamp
6. LPG Regulator assembly 26. LPG Hose-Water Tube Inlet no. 4 46. LPG MAP sensor bolt
7. Regulator Bracket 27. Throttle Body Outlet Hose 47. LPG Rail Bolt
8. LPG Vaporiser Bolt 28. Vacuum Hose LPG Regulator no.1 48. LPG tank
: For tightening order, refer to “LPG Tank with Tank
Valve Removal and Installation”: LPG.
9. LPG vaporizer bracket bolt 29. Vacuum Hose LPG Regulator no.2 49. Tank valve Assembly
10. LPG Regulator assembly 30. Vacuum Hose LPG 50. LPG Filler Valve pipe
: For tightening order of LPG Filler Valve pipe nut
(LPG Filler Valve side), refer to “LPG Filler Valve
Removal and Installation”: LPG.
11. LPG Regulator Bracket 31. LPG Rail Assembly : 13 N
⋅
m (1.3 kgf-m, 1.0 lbf-ft)
12. LPG Filter Component 32. LPG MAP Sensor : 38 N
⋅
m (3.8 kgf-m, 1.5 lbf-ft)
13. LPG Filter Bracket Component 33. LPG Hose-Injector no.1 : 1.4 N
⋅
m (0.14 kgf-m, 2.5 lbf-ft)
14. LPG Filter Bolt 34. LPG Hose-Injector no.2 : 10 N
⋅
m (1.0 kgf-m, 12.5 lbf-ft)
15. LPG Filter Bracket Bolt 35. LPG Hose-Injector no.3 : Do not reuse.
16. LPG Filter Nut 36. LPG delivery cushion
17. LPG Pipe Component (Regulator to
Filter)
37. LPG delivery collar
18. LPG Hose (Regulator to Pipe) 38. LPG Vacuum Clip (Regulator side)
19. LPG Hose (Pipe to Filter) 39. LPG Vacuum Clip (Bracket side)
20. LPG Hose (Filter to Rail) 40. LPG water tube clip
1
IAR90A170006-01