Isuzu N-Series. Manual — part 42
0B-46 MAINTENANCE AND LUBRICATION
NKR77 and NPR77 (Front Rigid Suspension) Models (For Europe)
W : Wheel bearing grease
C : Multipurpose type grease
M : MoS
2
contained type grease
B : Brake fluid
A : Automatic transmission fluid
E : Engine oil
G : Gear oil
: Change
: Check and Replenish or Lubricate
W
B
E
E
G
C
M
C
M
Differential gear
Rear hub bearing
Engine [B3]
Engine [B2]
W
Prop. shaft center bearing [B3]
Prop. shaft center bearing [B2]
Every 9 months or 15,000 km (9,000 miles)
Every 12 months or 20,000 km (12,000 miles)
Every 18 months or 30,000 km (18,000 miles)
Every 3 years or 60,000km (36,000 miles)
W
W
C
M
M
M
M
M
M
M
M
King pin [B3]
C
King pin [B2]
Prop. shaft universal joint [B3]
Front hub bearing
Prop. shaft sliding sleeve [B2]
Transmission
Rear hub bearing
Prop. shaft universal joint [B2]
Prop. shaft universal joint [B3]
Power steering fluid
Prop. shaft universal joint [B2]
Prop. shaft universal joint [B2]
Prop. shaft sliding sleeve [B3]
Prop. shaft universal joint [B3]
E
King pin [B3]
King pin [B2]
Brake and clutch fluid
Front hub bearing
[B2]: ACEA B2 spec.
engine oil model
[B3]: ACEA B3 or more spec.
engine oil model
A
N0A0025E
MAINTENANCE AND LUBRICATION 0B-47
NKR77 (Front Independent Suspension) Model (For Europe)
W : Wheel bearing grease
C : Multipurpose type grease
M : MoS
2
contained type grease
B : Brake fluid
A : Automatic transmission fluid
E : Engine oil
G : Gear oil
: Change
: Check and Replenish or Lubricate
Differential gear
Rear hub bearing
Engine [B3]
Engine [B2]
Prop. shaft center bearing [B3]
Prop. shaft center bearing [B2]
King pin [B3]
King pin [B2]
Prop. shaft universal joint [B3]
Front hub bearing
Prop. shaft sliding sleeve [B2]
Transmission
Rear hub bearing
Prop. shaft universal joint [B2]
Prop. shaft universal joint [B3]
Power steering fluid
Prop. shaft universal joint [B2]
Prop. shaft universal joint [B2]
Prop. shaft sliding sleeve [B3]
Prop. shaft universal joint [B3]
A
W
W
W
B
E
E
G
C
C
M
M
M
M
M
M
M
M
M
C
M
C
Upper link [B3]
Upper link [B2]
Brake and clutch fluid
Front hub bearing
W
E
Every 9 months or 15,000 km (9,000 miles)
Every 12 months or 20,000 km (12,000 miles)
Every 18 months or 30,000 km (18,000 miles)
Every 3 years or 60,000km (36,000 miles)
[B2]: ACEA B2 spec.
engine oil model
[B3]: ACEA B3 or more spec.
engine oil model
N0A0026E
SERVICE INFORMATION 00-1
HEATING AND AIR CONDITIONING
SECTION 00
SERVICE INFORMATION
Contents
TROUBLESHOOTING . . . . . . . . . . .. 00-2
MAIN DATA AND SPECIFICATIONS . . . . . 00-32
FIXING TORQUE. . . . . . . . . . . . 00-34
00-2 SERVICE INFORMATION
TROUBLESHOOTING
Heating Cycle Troubleshooting
TROUBLE
POSSIBLE CAUSE
CORRECTION
No heating or Insufficient
heating.
1. BIower motor does not run, or runs
improperly.
• Refer to “Fan Switch Troubleshooting”.
• Check the engine coolant temperature
after warming up the engine and check
the thermostat. Replace as necessary.
• Add engine coolant as required.
• Check if the water hose to the heater
core is clogged, collapsed or twisted.
Repair or replace as necessary.
• Check water pump function. Repair or
replace as necessary.
• Clean or replace as necessary.
2. Engine coolant temperature is low.
3. Insufficient engine coolant.
4. Circulation volume of engine cool-
ant is insufficient.
5. Heater core clogged or collapsed.
• Repair the temperature control link unit
or mode doors.
• Repair or adjust the control cables.
• Repair or replace as necessary.
6. The heater core is not provided with
air sent from the blower motor.
7. Duct connections defective or un-
sealing.
Control knob moves but
mode door does not oper-
ate.
1. Cable attaching clip is not correct.
• Repair.
2. Link unit of heater unit or blower as-
sembly defective.
• Repair.
The mode door cannot be
set to the mode selected.
1. Link unit of heater unit or blower as-
sembly defective.
• Repair.
2. Control cable is not adjusted.
• Adjust.
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