Fuel Injector On-Vehicle Inspection; Fuel Injector Removal And Installation - Suzuki Grand Vitara 2011 Manual

3) Tighten common rail bolts.
Tightening torque
Common rail bolt: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
4) Install fuel injector cover (1), throttle body (2) with
throttle body to EGR valve pipe (3) and vacuum pipe
(4).
Tightening torque
Throttle body to EGR valve pipe bolt and nut
(a): 21 N·m (2.1 kgf-m, 15.5 lb-ft)
Injector cover bolt (b): 8 N·m (0.8 kgf-m, 6.0 lb-ft)
5) Connect inlet throttle valve connector (5) and boost
pressure sensor connector (6).
6) Connect ventilation hose No.2 (7) to ventilation pipe
No.2 (9).
7) Connect ventilation hose No.4 (8) to oil vapor
recirculation valve (10).
9
7
1
8) Install engine cover.
9) Connect negative (–) cable at battery.
10) Check fuel leakage referring to "Fuel Leakage Check
Procedure: For Diesel Engine Model".
11) Check DTC referring to "DTC Check: For Diesel
Engine Model in Section 1A".
(a)
10
8
4
3
5
6
2
(b)
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Fuel System: For Diesel Engine Model 1G-38

Fuel Injector On-Vehicle Inspection

1) Disconnect negative (–) cable at battery.
2) Remove engine cover.
3) Remove fuel injector cover referring to Step 4)
through 7) in "Removal" of "High Pressure Pipe
Removal and Installation: For Diesel Engine Model".
4) Disconnect connector from fuel injector.
5) Measure resistance between terminals of fuel
injector.
If resistance is out of specification, replace fuel
injector.
Fuel Injector Resistance
Approx. 2 Ω or less

Fuel Injector Removal and Installation

WARNING
!
Before servicing fuel system, be sure to
observe "Precautions on Fuel System
Service: For Diesel Engine Model".
CAUTION
!
• Never disassemble fuel injector.
Disassembly will spoil its original function.
If faulty condition is found, replace it with
new one.
• Never use ultrasound and wire brush.
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