2002 ISUZU AXIOM drain bolt

5C±37 POWER±ASSISTED BRAKE SYSTEM
Removal
1. Raise the vehicle and support with suitable safety
stands.
2. Concernig wheel and tire assembly, refer to
Wheels
and Tires System
in Section 3E.
3. Remove the bolt and gaskets, then disconnect the
flexible hose from the caliper and after disconnecting
the flexible hose (1), cap or tape the openings to
prevent entry of foreign material.
302RW009
4. Since the brake fluid flows out from the connecting
coupler, place a drain pan under the vehicle.
5. Remove guide bolt (2).
6. Remove lock bolt (3).
302RW010
7. Remove caliper assembly.
8. Remove support bracket with pad assembly and take
care not to damage the flexible brake hose when
removing the support bracket.9. Remove pad assembly with shim and mark the lining
locations if they are to be reinstalled.
10. Remove clip.
Installation
1. Install clip.
302RS005
2. Apply special grease (approximately 0.2 g) to both
contacting surfaces of the inner shims (4). Wipe off
extruded grease after installing. Install pad assembly
with shim.
302RW011
Legend
(4) Inner Shim
(5) Wear Indicator
(6) Inner Side

5C±48
POWER±ASSISTED BRAKE SYSTEM
Rear Disc Brake Caliper Assembly (4y4 Model)
Rear Disc Brake Caliper Assembly and Associated Parts
306RW007
Legend
(1) Brake Flexible Hose
(2) Clip
(3) Lock Bolt(4) Support Bracket
(5) Guide Bolt
(6) Pad Assembly with Shim
(7) Caliper Assembly
Removal
1. Raise the vehicle and support with suitable safety
stands.
2. Remove wheel and tire assembly, refer to
Wheels
and Tires System
in Section 3E.
3. Remove the bolt and gaskets, then disconnect the
flexible hose from the caliper and after disconnecting
the flexible hose (1), cap or tape the openings to
prevent entry of foreign material.
306RW008
4. Since the brake fluid flows out from the connecting
coupler, place a drain pan under the vehicle.5. Remove lock bolt (3).
6. Remove guide bolt (2).
306RW009
7. Remove caliper assembly.
8. Remove support bracket with pad assembly and take
care not to damage the flexible brake hose when
removing the support bracket.
9. Remove pad assembly with shim and mark the lining
locations if they are to be reinstalled.
10. Remove clip.

5C±96
POWER±ASSISTED BRAKE SYSTEM
4. Since the brake fluid flows out from the connecting
coupler, place a drain pan under the vehicle.
5. Remove pin bolt (2).
302R200020
6. Remove caliper assembly.
7. Remove support bracket with pad assembly and take
care not to damage the flexible brake hose when
removing the support bracket.
8. Remove pad assembly with shim and mark the lining
locations if they are to be reinstalled.
9. Remove clip.
Installation
1. Install clip.
302R200023
2. Apply special grease (approximately 0.2 g) to both
contacting surfaces of the inner shims (4). Wipe off
extruded grease after installing. Install pad assembly
with shim.
302R200025
Legend
(4) Inner Shim
(5) Wear Indicator
(6) Inner Side
3. Install support bracket and tighten the bolt (7) to the
specified torque.
Torque: 155 N´m (115 lb ft)
302R200009

5C±106
POWER±ASSISTED BRAKE SYSTEM
Rear Disc Brake Caliper Assembly (4y4 Model)
Rear Disc Brake Caliper Assembly and Associated Parts
306RW007
Legend
(1) Brake Flexible Hose
(2) Clip
(3) Lock Bolt(4) Support Bracket
(5) Guide Bolt
(6) Pad Assembly with Shim
(7) Caliper Assembly
Removal
1. Raise the vehicle and support with suitable safety
stands.
2. Remove wheel and tire assembly, referring to
Wheels
and Tires System
in Section 3E.
3. Remove the bolt and gaskets, then disconnect the
flexible hose from the caliper and after disconnecting
the flexible hose (1), cap or tape the openings to
prevent entry of foreign material.
306RW008
4. Since the brake fluid flows out from the connecting
coupler, place a drain pan under the vehicle.
5. Remove lock bolt (3).
6. Remove guide bolt (2).
306RW009
7. Remove caliper assembly.
8. Remove support bracket with pad assembly and take
care not to damage the flexible brake hose when
removing the support bracket.
9. Remove pad assembly with shim and mark the lining
locations if they are to be reinstalled.

6A±16
ENGINE MECHANICAL (6VE1 3.5L)
Engine Oil Consumption Excessive
ConditionPossible causeCorrection
Oil leakingOil pan drain plug looseRetighten or replace gasket
Crankcase fixing bolts loosenedRetighten
Oil pan setting bolts loosenedRetighten
Oil pan gasket brokenReplace gasket
Front cover retaining bolts loose or
gasket brokenRetighten or replace gasket
Head cover fixing bolts loose or
gasket brokenRetighten or replace gasket
Oil filter adapter crackedReplace
Oil filter attachings bolt loose or
rubber gasket brokenRetighten or replace oil filter
Crankshaft front or rear oil seal
defectiveReplace oil seal
Oil pressure unit loose or brokenRetighten or replace
Blow±by gas hose brokenReplace hose
Positive Crankcase Ventilation Valve
cloggedClean
Engine/Transmission coupling failedReplace oil seal
Oil leaking into combustion
chambers due topoor seal in valve
Valve stem oil seal defectiveReplace
chambers due to oor seal in valve
systemValve stem or valve guide wornReplace valve and valve guide
Oil leaking into combustion
chambers due to poor seal in cylinder
t
Cylinders and pistons worn
excessivelyReplace cylinder body assembly and
pistons
partsPiston ring gaps incorrectly
positionedCorrect
Piston rings set with wrong side upCorrect
Piston ring stickingReplace cylinder body assembly and
pistons
Piston ring and ring groove wornReplace pistons and others
Return ports in oil rings cloggedClean piston and replace rings
Positive Crankcase Ventilation
System malfunctioningPositive Crankcase Ventilation Valve
cloggedClean
OthersImproper oil viscosityUse oil of recommended S.A.E.
viscosity
Continuous high speed driving
and/or severe usage such as trailer
towingContinuous high speed operation
and/or severe usage will normally
cause increased oil consumption

6A±35
ENGINE MECHANICAL (6VE1 3.5L)
Cylinder Head
Removal
1. Remove engine hood.
2. Disconnect battery ground cable.
3. Drain radiator coolant.
4. Drain engine oil.
5. Remove crankshaft pulley.

Refer to removal procedure for Crankshaft Pulley in
this manual.
6. Remove timing belt.

Refer to removal procedure for Timing Belt in this
manual.
7. Remove cylinder head cover LH.

Refer to removal procedure for Cylinder Head
Cover LH in this manual.
8. Remove cylinder head cover RH.

Refer to removal procedure for Cylinder Head
Cover RH in this manual.
9. Remove common chamber.

Refer to removal procedure for Common Chamber
in this manual.
10. Remove cylinder head assembly.
1. Loosen head bolts in reverse of tightening
sequence.
2. Remove cylinder head assembly.
014RW028
Legend
(1) Cylinder Head
(2) Cylinder Head Bolt
(3) Camshaft
Installation
1. Install cylinder head assembly to cylinder block.
A. Put cylinder head gasket on the cylinder block.
NOTE: There is discrimination mark ªRº for right bank
and ªLº for left bank on the cylinder head gasket as shown
in the illustration.
Do not reuse cylinder head gasket.
011RW005
B. Align dowel pin hole to dowel pin on the cylinder
block.
C. Position cylinder head on the cylinder block.
D. Tighten two bolts temporarily by hand to prevent
the cylinder head assembly from moving.
E. Using J-24239-01 cylinder head bolt wrench,
tighten bolts in numerical order as shown in the
illustration to the specified torque.

6A±46
ENGINE MECHANICAL (6VE1 3.5L)
Engine Assembly
Removal
035R200001
1. Disconnect battery ground and positive cable.
2. Remove battery.
3. Make alignment mark on the engine hood and hinges
before removal in order to return the hood to original
position exactly.
4. Remove engine hood.
5. Drain radiator coolant.
6. Disconnect Ion sensing module harness connectors,
and manifold absolute pressure sensor harness
connectors from sensor on common chamber.
7. Disconnect throttle position sensor harness
connectors from throttle body.
8. Disconnect air duct with air cleaner cover.
9. Remove air cleaner assembly.
10. Disconnect canister vacuum hose.
11. Disconnect vacuum booster hose.
12. Disconnect three engine harness connectors.
13. Disconnect harness connector to transmission (left
front side of engine compartment), disconnect shift
on the fly harness connector from front side of front
axle and remove transmission harness bracket from
engine left side.
14. Disconnect ground cable between engine and frame.
15. Disconnect bonding cable connector on the back of
right dash panel.
16. Disconnect bonding cable terminal on the left bank.
17. Disconnect starter harness connector from starter.
18. Disconnect generator harness connector from
generator.
19. Disconnect coolant reserve tank hose from radiator.
20. Remove radiator upper and lower hoses.21. Remove upper fan shroud.
22. Remove cooling fan assembly four fixing nuts, then
the cooling fan assembly.
23. Move drive belt tensioner to loose side using wrench
then remove drive belt.
24. Remove power steering pump fixing bolts, then
power steering pump. Place the power steering pump
along with piping on the body side.
25. Remove air conditioning compressor fixing bolts from
bracket and place the compressor along with piping
on the body side.
26. Remove four O
2 sensor harness connectors (two
each bank) from exhaust front pipe.
27. Remove three exhaust pipe fixing nuts from each
bank.
28. Remove two exhaust pipe fixing nuts from each
exhaust pipe, then move exhaust pipe to rear side of
vehicle.
29. Remove flywheel dust covers.
30. Disconnect two heater hoses from engine.
31. Disconnect fuel hoses from right side of transmission.
CAUTION: Plug fuel pipes on engine side and fuel
hoses from fuel tank.
32. Remove transmission assembly. Refer to
Transmission section in this manual.
33. Support the engine by engine hoist.
34. Remove two left side engine mount fixing bolts from
engine mount on chassis side.
35. Remove two right side engine mount fixing bolts from
engine mount on chassis side.
36. Remove engine assembly.

6B±6
ENGINE COOLING (6VE1 3.5L)
Water Pump
Water Pump and Associated Parts
030RS002
Legend
(1) Timing Belt
(2) Idle Pulley(3) Water Pump Assembly
(4) Gasket
Removal
1. Disconnect battery ground cable.
2. Drain coolant.
3. Radiator hose (on inlet pipe side).
4. Remove timing belt. Refer to ªTiming Beltº in this
manual.
5. Remove Idle pulley.
6. Remove water pump assembly.
7. Remove gasket.
Inspection
Make necessary repair and parts replacement if extreme
wear or damage is found during inspection. Should any of
the following problems occur, the entire water pump
assembly must be replaced.

Crack in the water pump body

EC leakage from the seal unit

Play or abnormal noise in the bearing

Cracks or corrosion in the impeller
Installation
1. Install gasket, clean the mating surface of gasket
before installation.
2. Install water pump assembly and tighten bolts to the
specified torque.
Torque: 25 N´m (18 lb ft)

Tightening order
The tightening order are in the illustrate.NOTE: To prevent the oil leakage, apply the LOCTITE
262 or an equivalent, to the arrow marked fixing bolt
thread.
030RW008
3. Idle pulley

Install idle pulley and tighten bolt to the specified
torque.
Torque: 52 N´m (38 lb ft)
4. Timing belt

Install timing belt. Refer to timing belt installation
step in ªTiming Beltº in this manual.
5. Connect radiator inlet hose and replenish EC.
6. Connect battery ground cable.