Nissan Xterra. Manual — part 176
ENGINE COOLING FAN
CO-19
< REMOVAL AND INSTALLATION >
[VQ40DE]
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
• Check that the fan bracket shaft turns smoothly by hand and is not
excessively loose.
• If there are concerns, replace the fan bracket assembly.
INSTALLATION
Installation is in the reverse order of removal.
• Install cooling fan with its front mark “F” facing front of engine. Refer to
CO-18, "Removal and Installation
INSPECTION AFTER INSTALLATION
• Check for engine coolant leaks. Refer to
• Start and warm up engine. Visually check for coolant and A/T fluid (if equipped) leaks. Repair as necessary.
• Check and adjust engine coolant level and A/T fluid (if equipped). Refer to
MA-12, "Fluids and Lubricants"
Removal and Installation (Motor driven type)
INFOID:0000000009484587
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Partially drain engine coolant from radiator. Refer to
CO-11, "Changing Engine Coolant"
CAUTION:
• Perform this step when engine is cold.
• Do not spill engine coolant on drive belts.
2. Release the radiator shroud (lower) (2) from the radiator shroud
(upper) (1) and position aside.
• Release the tabs, pull radiator shroud (lower) (2) rearward and
down.
3. Remove air duct and resonator assembly. Refer to
EM-24, "Removal and Installation"
4. Remove upper radiator hose from radiator.
5. Remove reservoir tank hose from radiator shroud (upper) and radiator.
6. Remove the radiator shroud (upper) bolts and remove the radiator shroud (upper). Refer to
LBIA0422E
ALBIA0470ZZ
CO-20
< REMOVAL AND INSTALLATION >
[VQ40DE]
ENGINE COOLING FAN
7. Disconnect harness connector from fan motor.
8. Remove the bolt and remove the fan grille and motor assembly.
INSTALLATION
Installation is in the reverse order of removal.
• Cooling fan is controlled by ECM. Refer to
INSPECTION AFTER INSTALLATION
• Check for engine coolant leaks. Refer to
• Start and warm up engine. Visually check for coolant and A/T fluid (if equipped) leaks. Repair as necessary.
• Check and adjust engine coolant level and A/T fluid (if equipped). Refer to
MA-12, "Fluids and Lubricants"
AWBIA0148ZZ
WATER PUMP
CO-21
< REMOVAL AND INSTALLATION >
[VQ40DE]
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
WATER PUMP
Exploded View
INFOID:0000000009484588
Removal and Installation
INFOID:0000000009484589
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter
of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
CAUTION:
• When removing water pump assembly, be careful not to get engine coolant on timing chain and drive
belt.
• Water pump cannot be disassembled and should be replaced as a unit.
• After installing water pump, connect hoses and clamps securely, then check for leaks.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Drain engine coolant from radiator. Refer to
CO-11, "Changing Engine Coolant"
.
CAUTION:
• Perform this step when engine is cold.
• Do not spill engine coolant on timing chain and drive belt.
2. Remove air duct and resonator assembly. Refer to
3. Remove drive belt. Refer to
EM-13, "Removal and Installation"
.
4. Remove radiator hose (upper).
5. Remove coolant reservoir hose from the radiator.
6. Remove engine cooling fan (Motor driven type). Refer to
CO-19, "Removal and Installation (Motor driven
.
1.
Water pump
2.
Timing chain tensioner (primary)
3.
Chain tensioner cover
4.
Water drain plug (front)
5.
Water pump cover
6.
O-ring
7.
O-ring
PBIC2833E
CO-22
< REMOVAL AND INSTALLATION >
[VQ40DE]
WATER PUMP
7. Set No. 1 cylinder at TDC.
• Rotate crankshaft pulley clockwise to align timing mark (A)
(grooved line without color) with timing indicator (B).
8. Remove engine cooling fan (Crankshaft driven type). Refer to
CO-18, "Removal and Installation (Crank-
9. Remove water drain plug (front) (1) on the water pump side of
the cylinder block.
10. Remove chain tensioner cover and water pump cover from front
timing chain case, using Tool.
11. Remove timing chain tensioner (primary) as follows:
a. Loosen clip of timing chain tensioner (primary), and release
plunger stopper (1).
b. Depress plunger into tensioner body by pressing slack guide (2).
c.
Keep slack guide pressed and insert stopper pin through the
tensioner body hole and plunger groove (3) to hold plunger in.
AWBIA0719ZZ
ALBIA0679ZZ
Tool number
: KV10111100 (J-37228)
PBIC2662E
PBIC2835E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст