Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 213

6A–39

ENGINE MECHANICAL (6VE1 3.5L)

3. Remove oil strainer fixing bolts, remove oil strainer

assembly with O-ring.

050RW002

Legend

(1) Oil Pump
(2) Oil Strainer
(3) Oil Gallery
(4) From Oil Filter
(5) To Oil Filter

4. Remove three fixing bolts, oil pipe with O-ring.
5. Remove eight fixing bolts, oil gallery.
6. Remove piston with connecting rod assembly.

(before removing the bearing cap, remove carbon on
the top of cylinder bore and push piston with
connecting rod out from the top of cylinder bore.)

Installation

1. Install piston with connecting rod assembly.

D

Apply engine oil to cylinder bore, connecting rod
bearing and crank pin.
When installing the piston, its front mark must face
the engine front side.

D

The bearing cap number must be the same as
connecting rod number.

D

Apply engine oil to the thread and seating surface of
each nut.

D

Tighten nuts to the specified torque.

Torque : 54 N·m (40 lb ft)

D

After tightening the nuts, make sure that the
crankshaft rotates smoothly.

NOTE: Do not apply engine oil to the bearing back faces
and connecting rod bearing fitting surfaces.

015RW003

Legend

(1) Piston Front Mark
(2) Piston Grade
(3) Connecting Rod Front Mark

2. Install oil gallery and tighten the bolts in two steps, in

the order shown in illustration.

Torque :
1st step : 29 N·m (22 lb ft)
2nd step : 55

°

–65

°

051RS009

3. Install oil pipe with O-ring.

Torque : 10 N·m (87 lb in)

4. Install oil strainer assembly with O-ring.

Torque : 25 N·m (18 lb ft)

5. Install crankcase with oil pan.

D

Refer to installation procedure for Oil Pan and
Crankcase in this manual.

6. Install cylinder head assembly.

D

Refer to installation procedure for Cylinder Head in
this manual.

6A–40

ENGINE MECHANICAL (6VE1 3.5L)

Crankshaft and Main Bearings

Removal

F06RY002

Legend

(1) Engine Assembly
(2) Crankshaft Pulley
(3) Timing Belt Cover
(4) Timing Belt
(5) Crankcase with Oil Pan
(6) Oil Pipe
(7) Oil Strainer

(8) Oil Pump Assembly
(9) Cylinder Body Side Bolt

(10) Oil Gallery

(11) Flywheel

(12) Rear Oil Seal Retainer
(13) Connecting Rod Cap
(14) Crankshaft Main Bearing Cap
(15) Crankshaft and Main Bearing

1. Remove engine assembly.

D

Refer to removal procedure for Engine Assembly in
this manual.

2. Remove timing belt.

D

Refer to removal procedure for Timing Belt in this
manual.

3. Remove oil pan and crankcase.

D

Refer to removal procedure for Oil Pan and
Crankcase in this manual.

4. Remove oil pipe with O-ring.
5. Remove oil strainer assembly with O-ring.

6A–41

ENGINE MECHANICAL (6VE1 3.5L)

6. Remove oil pump assembly.

D

Refer to removal procedure for Oil Pump in this
manual.

7. Remove cylinder body side bolts.
8. Remove oil gallery.
9. Remove flywheel.

10. Remove rear oil seal retainer.

D

Refer to removal procedure for Rear Oil Seal in this
manual.

11. Remove connecting rod caps.

12. Remove crankshaft main bearing caps.
13. Remove crankshaft and main bearings.

Installation

1. Install crankshaft and main bearings.

D

Install main bearing in the cylinder block and main
bearing cap respectively.
Apply new engine oil to upper and lower main
bearings.

NOTE:

D

Do not apply engine oil to the bearing back faces.

D

Make sure that main bearings are in correct position.

D

Install crankshaft with care.

D

Apply engine oil to the thrust washer.

D

Install thrust washer on No.3 journal.

D

Oil grooves in thrust washer must face the
crankshaft.

015RS012

015RS013

2. Install crankshaft main bearing caps.

D

Apply engine oil to the thread and seating surface of
each bearing cap fixing bolt.

NOTE:

D

Do not apply engine oil to the bearing back faces.

D

Install bearing caps, starting with cylinder block front
side.

D

Tighten main bearing fixing bolts to the specified
torque.

Torque : 39 N·m (29 lb ft)

D

After tightening the bolts, make sure that the
crankshaft rotates smoothly.

3. Install connecting rod caps.

D

The cap number must be same as connecting rod
number.

D

Apply engine oil to the thread and seating surface of
each nut.

D

Tighten nuts to the specified torque.

Torque : 54 N·m (40 lb ft)

D

After tightening the nuts, make sure that the
crankshaft rotates smoothly.

4. Install rear oil seal retainer.

D

Remove oil on cylinder block and retainer fitting
surface.

D

Apply sealant (TB1207B or equivalent) to retainer
fitting surface as shown in illustration.

D

The oil seal retainer must be installed within 5
minutes after sealant application to prevent
premature hardening of sealant.

6A–42

ENGINE MECHANICAL (6VE1 3.5L)

015RW002

Legend

(1) Around Bolt Holes
(2) Around Dowel Pin

D

Apply engine oil to oil seal lip and align a dowel pin
hole in the cylinder block with that in the retainer.

D

Tighten retainer fixing bolts to the specified torque.

Torque : 18 N·m (13 lb ft)

015RW001

5. Install flywheel.

D

Clean tapped holes in the crankshaft.

D

Remove oil on crankshaft and flywheel fitting
surface.

NOTE:

D

Do not reuse the bolts.

D

Do not apply oil or thread lock to the bolts.

D

Tighten fixing bolts to the specified torque.

Torque : 54 N·m (40 lb ft)

015RS018

6. Install oil gallery.

D

Clean contact surface of oil gallery and main
bearing cap.
Apply engine oil to oil gallery fixing bolts and tighten
the bolts in two steps, in the order shown.

Torque :
1st step : 29 N·m (22 lb ft)
2nd step : 55

°

–65

°

7. Install cylinder body side bolts and tighten bolts in

order to the specified torque.

Torque : 39 N·m (29 lb ft)

NOTE: Do not apply the oil to the bolts.

012RS007

8. Install oil pump assembly.

D

Remove oil on cylinder block and oil pump mounting
surface.

D

Apply sealant (TB1207B or equivalent) to the oil
pump mounting surface.

D

The oil pump assembly must be installed within 5
minutes after sealant application to prevent
premature hardening of sealant.