Isuzu engine 4j series. Manual — part 52
6A1 – 76 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
CRANKSHAFT REAR OIL SEAL (Gear & Belt Drive Type)
REMOVAL
Preparation:
•
Disconnect battery ground cable
1. Transmission and Clutch Assembly
•
Raise vehicle and support with suitable safely.
1) Transmission
!
Transmission
•
Reference mark the flange yoke to the parking brake
drum.
•
Disconnect the propeller shaft at flange yoke.
•
Put aside the propeller shaft and tie it to the frame so
that it does not interface with servicing work.
"
Parking Brake Cable
•
Move the joint cover.
•
Disconnect the joint bolt.
•
Remove the clip then disconnect the cable from the
bracket.
6A1-76-1.tif
6A1-76-2.tif
6A1-76-3.tif
Removal steps
1. Transmission and clutch Assembly
2. Flywheel
3. Rear oil seal
Installation steps
To install, follow the removal steps in the
reverse order.
4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 77
#
Wiring Connector
•
Disconnect the wiring connectors from the car speed
sensor, the neutral switch and the back-up light switch.
$
Shift Cable and Select Cable
•
Disconnect the shift cable and select cable on the
transmission side.
%
Clutch Slave Cylinder
•
Remove the clutch pipe fixing clips and the clip
bracket (Right hand drive models only).
•
Remove the slave cylinder assembly with the flexible
hose attached, and then tie it to the frame so that it
does not interface with servicing work.
&
Exhaust Brake Assembly
'
Front Exhaust Pipe
6A1-77-1.tif
6A1-77-2.tif
6A1-77-3.tif
6A1-77-4.tif
6A1 – 78 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
(
Transmission Assembly
NOTE:
The exhaust pipe bracket, the gear control bracket
and the clips are sometimes installed in the wrong
position or direction confusedly. To prevent incorrect
installation of these parts, put a correct installation
mark on them.
•
Support the transmission with mission jack.
CAUTION:
To prevent the falling of the transmission, tie it firmly
to the jack with a chain or belt.
Do not allow transmission to hang unsupported from
clutch. Damage to the clutch assembly will result.
•
Remove the nuts of the transmission mounting bracket
on the crossmember side.
•
Engine and transmission angles may need to be
adjusted for removal.
•
Hold the rear section of the engine by the jack or hoist.
CAUTION:
When lifting the engine by the jack, use wood blockes
to prevent any possible damage to the oil pan.
•
Remove transmission fastening bolts.
•
Pull out the transmission assembly rearward.
)
Mounting Bracket
6A1-78-1.tif
4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 79
2) Clutch
•
Raise vehicle and support with suitable safety stands.
CAUTION:
Do not let clutch fluid remain on a painted surface,
Wash it off immediately.
!
Pressure Plate Assembly
"
Driven Plate Assembly
•
Use the pilot aligner to prevent the driven plate
assembly from falling free.
Pilot Aligner: 5-5825-3001-0
•
Mark the flywheel and pressure plate lug for alignment
when installing.
•
Loosen the pressure plate assembly fixing bolts.
2. Flywheel
3. Rear Oil Seal
•
With the oil seal pushed in deep, install the special tool
as shown in the illustration to remove the oil seal.
•
Rear oil seal Remove: 5-8840-2360-0
NOTE:
Take care not to damage the crankshaft or oil seal
retainer when removing oil seal.
6A1-79-1.tif
6A1-79-2.tif
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