Isuzu Trooper (1998-2002 year). Service manual — part 651
6J – 4 INDUCTION
TURBOCHARGER
9
5
9
8
For Europe
8
7
5
6
3
2
1
4
7
4
2
1
3
6
Legend
(1)
Exhaust Manifold
(2)
Gasket
(3)
Turbocharger Assembly
(4)
Water Hose
(5)
Water Hose
(6)
Heat Protector
(7)
Oil Pipe
(8)
Oil Pipe
(9)
Gasket
025R200004
INDUCTION 6J – 5
REMOVAL
1. Remove battery.
2. Drain engine coolant.
3. Remove air cleaner cover and air duct.
4. Remove intercooler assembly.
Refer to “Intercooler” in this manual.
5. Remove water pipe from water inlet of
turbocharger.
6. Remove oil pipe.
1) Remove fixing bolts from oil inlet of turbocharger
then remove oil pipe.
2) Plug open port of turbocharger to prevent
foreign materials from entering the turbocharger.
7. Remove oil drain pipe from turbocharger.
8. Remove water outlet pipe from turbocharger.
9. Remove heat protector.
10. Remove exhaust valve assembly.
11. Remove turbocharger fixing nuts from exhaust
manifold then remove turbocharger assembly.
For Europe
025R200006
6J – 6 INDUCTION
INSPECTION AND REPAIR
Make the necessary adjustments, repairs and part
replacements if excessive wear or damage is
discovered during inspection.
Minor servicing operations are described in this section.
Contact the nearest IHI SERVICE FACILITY for major
repairs and maintenance.
Refer to IHI SERVICE NETWORK at the end of this
section for the location of your area’s IHI SERVICE
FACILITY.
Turbine shaft end play.
1) Set a dial indicator to the turbine shaft end.
2) Apply a force of 11.8 N (1.2 kg / 2.6 lb)
alternately to the compressor wheel and and the
turbine wheel end.
3) Read the dial indicator.
Turbine End Play
Standard: 0.03 – 0.06 mm (0.0012 – 0.0024 in)
Limit: 0.09 mm (0.0035 in)
Turbine shaft and bearing clearance
1) Set a dial indicator to the turbine shaft center
through the center housing oil drain port.
2) Move the turbine shaft from side to side.
3 Read the dial indicator.
Turbine Shaft and Bearing Clearance
Standard: 0.056 - 0.127 mm (0.0022 - 0.0050 in)
Limit: 0.14 mm (0.0055 in)
Waste gate operation
1) Remove hose from waste gate actuator side and
install pressure gauge (1) to the waste gate
actuator.
2) Operate pump of pressure gauge while engine is
stopped.
3) Read pressure at the control rod (2) move 2mm.
Pressure: 106 – 115 kPa
(796 – 862 mmHg/ 15.4 – 16.7 PSi)
036RW008
036RW010
036RW009
036RW007
INDUCTION 6J – 7
Legend
(1) Pressure gauge
(2) Waste gate control rod
4) Check for cracks or breaks on the hose, if a
problem is found, the hose must be replaced.
CAUTION: Do not apply more than 120 Kpa (900
mmHg / 18.7 PSi) to waste gate actuator.
INSTALLATION
1. Install turbocharger assembly to exhaust manifold,
tighten to the specified torque.
Torque: 27 N·m (2.8 kg·m / 20 lb ft)
2. Install exhaust valve assembly to outlet of
turbocharger, tighten bolts to the specified torque.
Torque: 27 N·m (2.8 kg·m / 20 lb ft)
3. Install heat protector.
4. Water inlet pipe.
1) Tighten water inlet pipe with new gasket.
Torque: 9 N·m (0.9 kg·m / 78 lb in)
5. Oil drain pipe.
1) Tighten oil drain pipe with new gasket.
Torque: 9 N·m (0.9 kg·m / 78 ib in)
6. Oil inlet pipe.
1) Apply about 100 cc engine oil to turbocharger
housing before installing the oil pipe.
2) Turn the turbine shaft by hand to lubricate the
bearing.
3) Install the oil inlet pipe with a new gasket, tighten
bolt to the specified torque.
Torque: 22 N·m (2.2 kg·m / 16 lb ft) For M10
Torque: 54 N·m (5.5 kg·m / 40 lb ft) For M14
2
1
036RW011
For Europe
025R200007
For Europe
025R200006
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