Isuzu engine 4j series. Manual — part 45
6A1 – 48 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
OIL PAN
REMOVAL
Preparation:
•
Disconnect battery ground cable.
•
Lift up car.
•
Drain engine oil.
NOTE
Install drain plug with new gasket.
N∙m(kg∙m/lb∙ft)
44 (4.5/33)
1. Vacuum Pump Oil Hose
•
Remove oil hose
!
from oil pan.
6A1-48-1.tif
6A1-48-2.tif
Removal steps
1. Vacuum pump oil hose
2. Engine mount bolts
3. Stiffener and space rubber
4. Oil pan Assembly
Installation steps
To install, follow the removal
steps in the reverse order
.
4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 49
2. Engine Mount Bolts
•
Remove the engine mount bolts right & left side.
3. Stiffener & Space Rubber
•
Remove the exhaust pipe bracket.
•
Remove the stiffener from of the oil pan left & right
side.
•
Take out space rubber.
4. Oil Pan Assembly
•
Raising the engine about 50mm.
•
Remove the oil pan from cylinder block.
6A1-49-1.tif
6A1-49-2.tif
6A1 – 50 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
INSTALLATION
4. Oil Pan Assembly
•
Apply the recommended liquid gasket or its equivalent
to the No.5 bearing cap arches, the grooves, and the
timing gear case arches at the positions shown in the
illustration.
•
Fit the gasket rear lipped portion into the No.5 groove.
•
Be absolutely sure that the lipped portion in fitted
snugly in to the groove.
•
Install the oil pan to the cylinder body.
•
Tighten the oil pan bolts to the specified torque.
Oil Pan Bolt Torque
N∙m (kg∙m/lb∙ft)
19 (1.9/14)
3. Stiffener and Space Rubber
•
Install the space rubber.
•
Install the stiffener left side and right side tighten bolt
to the specified torque.
Engine body Side
N∙m (kg∙m/lb∙ft)
37 (3.8/27)
Clutch Housing Side
N∙m (kg∙m/lb∙ft)
78 (8.0/58)
•
Install exhaust pipe bracket.
2. Engine Mount Bolts
•
Install the mount bolts and tighten to the specified
torque.
Mount Bolt Torque
N∙m (kg∙m/lb∙ft)
40 (4.1/30)
•
Install the oil hose to oil pan.
1. Vacuum Pump Oil Hose
•
Pour engine oil
•
Connect battery ground cable.
•
Start the engine and check coolant leakage.
6A1-50-1.tif
6A1-50-2.tif
4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 51
OIL PUMP ASSEMBLY
REMOVAL
Preparation:
•
Disconnect battery ground cable.
•
Lift up car.
•
Drain engine oil.
NOTE
Install drain plug with new washer.
N∙m(kg∙m/lb∙ft)
44 (4.5/33)
1. Vacuum Pump Oil Hose
•
Remove the oil hose
!
from oil pan.
6A1-51-2.tif
6A1-51-1.tif
Removal steps
1. Vacuum pump oil hose
2. Engine mount bolts
3. Stiffener and space rubber
4. Oil pan Assembly
5. Oil pump Assembly
Installation steps
To install, follow the removal
steps in the reverse order.
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