bolt pattern ISUZU TROOPER 1998 Service Repair Manual

4A1±19 DIFFERENTIAL (FRONT)
17. Tighten the cap bolt to the specified torque.
Torque: 98 N´m (10kg´m/72 lb ft)
425RS036
1. Measure the amount of run±out of the ring gear at
its rear face.
Standard: 0.02 mm ( 0.001 in)
Limit: 0.05 mm ( 0.002 in)
425RS037
Gear Tooth Contact Pattern Check and Adjustment
1. Apply a thin coat of prussian blue or equivalent
to the faces of the 7±8 teeth of the ring gear.
Check the impression of contact on the ring
gear teeth and make necessary adjustment as
described in illustration if the contact is
abnormal.
425RS038
Legend
(1) Heel
(2) Toe
(3) Concave Side(Coast)
(4) Convex Side(Drive)

DIFFERENTIAL (REAR 220mm)
4A2A±19
17. Tighten the cap bolt to the specified torque.
Torque: 108 N´m (11.0kg´m/80 lb ft)
425RS036
1. Measure the amount of run±out of the ring gear at
its rear face.
Standard: 0.02 mm ( 0.001 in)
Limit: 0.05 mm ( 0.002 in)
425RS037
Gear Tooth Contact Pattern Check and Adjustment
1. Apply a thin coat of prussian blue or equivalent
to the faces of the 7±8 teeth of the ring gear.
Check the impression of contact on the ring
gear teeth and make necessary adjustment as
described in illustration if the contact is
abnormal.
425RS038
Legend
(1) Heel
(2) Toe
(3) Concave Side(Coast)
(4) Convex Side(Drive)

DIFFERENTIAL (REAR 244mm)
4A2B±19
16. Tighten the bolt to the specified torque.
Torque:108N´m (11.0kg´m/80 lb ft)
425RS036
Gear Tooth Contact Pattern Check and Adjustment
1. Apply a thin coat of Prussian blue or equivalent to the
faces of the 7±8 teeth of the ring gear. Check the
impression of contact on the ring gear teeth and make
necessary adjustment as described in illustration if
the contact is abnormal.
425RS038
Legend
(1) Heel
(2) Toe
(3) Concave Side(Coast)
(4) Convex Side(Drive)
425RS039

7A±57 AUTOMATIC TRANSMISSION (4L30±E)
Converter Housing And Oil Pump Assembly
Disassembled View
241RW003
Legend
(1) Converter Housing
(2) Outer Seal Ring
(3) Gasket(4) Wear Plate
(5) Oil Pump Assembly
(6) Oil Seal Ring
Disassembly
1. Remove oil pump assembly from converter housing.
2. Remove outer seal ring.
3. Remove gasket.
4. Remove wear plate.
5. Remove oil seal ring.
Inspection And Repair
Visual Check:
If any damage, deformation, or local wear is found in a
converter housing, outer seal ring, wear plate, or oil seal
ring, replace it.
Reassembly
1. Install wear plate onto oil pump assembly.
2. Install converter housing onto complete oil pump
assembly. Align with two short 5±8840±2268±0
(J±38588) guide pins on outer bolt holes.

Loosely install five 13mm bolts.

Center converter housing using 5±8840±2272±0
(J±38557) centering tool.

Tighten five inner 13mm bolts in an alternating
pattern.
Torque: 20 Nwm (2.0 kg´m/15 lb ft)241RW020
3. Install oil seal ring (3 screws).
Torque: 3 Nwm (0.3 kg´m/26 lb in)
4. Install gasket.
5. Install outer seal ring.