Infiniti QX56 (Z62). Manual — part 917
LU-12
< REMOVAL AND INSTALLATION >
OIL COOLER
CAUTION:
Perform this step when engine is cold.
4.
Remove oil filter. Refer to
LU-9, "Removal and Installation"
.
5.
Remove connector bolt, and remove oil cooler.
INSTALLATION
Installation is in the reverse order of removal, paying attention to the following:
• Confirm that no foreign objects are adhering to the sealing surfaces of the oil cooler and oil pan.
Inspection
INFOID:0000000006289623
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing compressed air through engine coolant
inlet. If necessary, replace oil cooler assembly.
Relief Valve
Inspect relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove
the valve by prying it out using a suitable tool. Install a new valve in place by tapping it in.
INSPECTION AFTER INSTALLATION
1.
Check engine oil and engine coolant levels and add engine oil and engine coolant. Refer to
2.
Start the engine, and check for leaks of engine oil or engine coolant.
3.
Stop the engine and wait for 10 minutes.
4.
Check the engine oil level and engine coolant level again. Refer to
OIL PUMP
LU-13
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
I
J
K
L
M
A
LU
N
P
O
OIL PUMP
Exploded View
INFOID:0000000006289624
Removal and Installation
INFOID:0000000006289625
REMOVAL
NOTE:
Do not remove the engine assembly to perform this procedure.
1.
Disconnect battery cable from negative terminal. Refer to
.
2.
Drain engine oil. Refer to
.
3.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when engine is cold.
• Never spill engine coolant on drive belts.
4.
Remove the following components and related parts:
• Air cleaner case assembly and air duct. Refer to
• Drive belt auto tensioner and idler pulley. Refer to
.
• Fan shroud. Refer to
• Cooling fan, fan coupling and fan bracket. Refer to
• Front under cover. Refer to
• Protector A and B. Refer to
SCS-32, "FRONT TUBE ASSEMBLY : Exploded View"
.
• Front suspension rear cross member. Refer to
(2WD models) or
(4WD models).
• Steering gear assembly. Refer to
• Front final drive assembly. Refer to
• Power steering oil pump. Refer to
.
• Alternator, alternator bracket and alternator stay. Refer to
• Oil pan (lower) and oil strainer. Refer to
• Oil pan (upper). Refer to
• Electric throttle control actuator. Refer to
• Radiator hoses. Refer to
• Water suction hose and water suction pipe. Refer to
• Water pump pulley. Refer to
.
• Rocker cover. Refer to
WBIA0415E
1.
Oil pump body
2.
Outer rotor
3.
Inner rotor
4.
Oil pump cover
5.
Oil pump drive spacer
6.
Regulator valve
7.
Regulator spring
8.
Regulator plug
LU-14
< REMOVAL AND INSTALLATION >
OIL PUMP
5.
Remove the oil pump drive spacer.
• Hold and remove the flat space of the oil pump drive spacer by
pulling it forward.
6.
Remove the oil pump. Refer to
.
INSTALLATION
1.
Install the oil pump.
2.
Install the oil pump drive spacer as follows:
• When inserting the oil pump drive spacer, align the crankshaft
key and the flat face of the inner rotor.
• If they are not aligned, rotate the oil pump inner rotor by hand.
• Make sure that each part is aligned and tap lightly until it
reaches the end.
3.
Installation of the remaining components is in the reverse order of removal.
Disassembly and Assembly
INFOID:0000000006289626
DISASSEMBLY
1.
Remove oil pump cover.
2.
Remove inner rotor and outer rotor from oil pump body.
3.
Remove the regulator valve plug, regulator valve spring and regulator valve.
ASSEMBLY
Installation is in the reverse order of removal.
NOTE:
Install the oil pump inner rotor and outer rotor with the punched
marks on the oil pump cover side.
Inspection
INFOID:0000000006289627
INSPECTION AFTER DISASSEMBLY
Clearance of Oil Pump Parts
KBIA2512E
KBIA2490E
PBIC0144E
OIL PUMP
LU-15
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
I
J
K
L
M
A
LU
N
P
O
• Measure radial clearance using a suitable tool.
• Measure side clearance using suitable tools.
• Calculate the clearance between inner rotor and oil pump body as
follows.
1.
Measure the outer diameter of protruded portion of inner rotor
(position 5) using suitable tool.
2.
Measure the inner diameter of oil pump body to brazed portion
(position 6) using suitable tool.
3.
Calculate the clearance using the following formula.
• (Clearance) = (Inner diameter of oil pump body) - (Outer diameter of inner rotor)
Regulator Valve Clearance
Check regulator valve to oil pump cover clearance using the following formula.
Body to outer rotor
(position 1)
.
Inner rotor to outer
rotor tip (position 2)
.
PBIC0139E
Body to inner rotor
(position 3)
.
Body to outer rotor
(position 4)
.
PBIC0140E
PBIC0141E
PBIC0142E
Inner rotor to brazed portion of housing clearance
: Refer to
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст