1995 ISUZU TROOPER Workshop Manual

RH EXHAUST MANIFOLD
4
ENGINE (V6 3.2L DOHC AND SOHC) 6A1-19
Removal steps
1.
Exhaust front pipe 2. Heat protector 3. Engine hanger
4. Exhaust manifold
Installation
steps To install, follow the removal steps in the reverse order.
1••1 REMOVAL
Fig. 6A1-20
I••IINSTALLATION
Preparation: Battery ground cable
1. Exhaust front pipe
• Remove two stud nuts and two bolts and nuts,
then disconnect front pipe.
2. Heat protector
• Remove five fixing bolts, then the heat
protector.
3. Engine hanger
• Remove bolts and nuts that secure the hanger
to the exhaust manifold and cylinder head.
4. Exhaust manifold
• Remove seven nuts, then the exhaust manifold.
4. Exhaust manifold
• Tighten bolts to the specified torque.
I~I_T_or.:....q:....u_e __ N_·m__:_(l_b·_ft.:....) _!._ ___ 5_7_(4_2_) __ _
3.
2.
1.
Engine hanger
Heat protector
Exhaust front pipe
• Tighten two stud nuts and two bolts and nuts to
the specified torque.
Stud nuts
~~~ Torque N·m (lb·ft) 67 (49)
Bolts and nuts
~~~ Torque N·m (lb·ft) 43 (32)

·,'
6A1-20 ENGINE (V6 3.2L DOHC AND SOHC)
TIMING BELT
1 3
2
6 12
~ ..
Fig. 6A1-21
1••1 REMOVAL
Preparation: Battery ground cable
1. Air cleaner assembly
2. Radiator upper fan shroud
• Remove from radiator.
3. Cooling fan assembly
• Remove four nuts, then the cooling fan
assembly.
4. Power steering pump drive belt
5. Air Conditioning compressor drive belt
6. Generator drive belt
7. Fan pulley assembly
8. Crankshaft pulley assembly
~ • Using special tool J-8614-01, hold crankshaft
~ pulley.
•
Remove center bolt, then the pulley.
9. Oil cooler hose
• Remove two cooler hose bracket fixing bolts on
the timing cover.
10. Timing belt cover 11.
Pusher
'IT7 CAUTION:
'if The pusher prevents air from entering the oil
chamber. Its rod must always be facing upward.
12. Timing belt
• To prevent the timing belt from getting out of
position, put the alignment mark on the cam
pulley, the crankshaft pulley and the timing belt
before removing the timing belt.
w CAUTIONS:
1) Do not bend or twist the belt, otherwise its core
could be damaged. The belt should not be bent at
a radius
less than 30mm.
2) Do not allow oil or other chemica[ substances to
come in contact with the belt. They will shorten
the
belt life.
3) Do not attempt to pry or stretch the belt with a
screwdriver or any other tool during installation.
4) Store timing belt in a cool and dark place. Never
expose the
belt to direct sunlight or heat. ~
•

I••IINSTALLATION
12. Timing belt
1£4111) Align groove of crankshaft timing pulley with
mark on oil pump. (Fig. 6A 1-22)
1£4112) Align the marks on the camshaft timing
pulleys with the corresponding dots on the
front plate. (Fig. 6A 1-23)
NOTE:
When timing marks are aligned, no pistons will be
on T.D.C.
,-----------------------------,
Fig. 6A1-22
Groove on timing pulley
Alignment mark on~ ad]
timing belt ·~Alignment mark
DOHC ", ' on front plate Q',
SOHC
Fig. 6A1-23 '"-) ,.· (.)~\,'j
1£4113) Install timing belt. Align the dotted alignment
mark on the timing belt with the mark on the
W crankshaft gear. (Fig. 6A1-24, Fig. 6A1-25)
NOTE:
For correct belt installation, the letters the belt
must be able to be read as viewed from the front
of the vehicle. (Fig. 6A 1-25)
It is recommended for easy installation that
the belt be secured with double clips after it is
installed to each pulley. (Fig. 6A 1-26)
ENGINE (V6 3.2L DOHC AND SOHC) 6A1-21
Alignment mark on timing belt Crankshaft gear alignment mark
L~---
t Cylinder head side
Timing belt
Fig. 6A1-24
Fig. 6A1-25
Fig. 6A1-26
Engine rotation direction
~
Align the alignment mark (white line) on the
timing belt with the alignment mark on the RH
bank camshaft timing pulley (on the left side
as viewed from the front of the vehicle).
Secure
the belt with a double clip. (Fig. 6A 1-
27)

&A 1-22 ENGINE (V& 3.2L DOHC AND SOHC)
Fig. 6A1-27
Alignment mark on ~ timing belt ~
DOHC " ' on front plate
~~
Alignment mark
_","'
SOHC
DOHC
SOHC
/ Alignment mark on timing belt
Fig. 6A1-28
1) Crankshaft timing pulley 2) RH bank timing pulley 3) Water pump pulley 4) Idler pulley 5) LH bank timing pulley 6) Tension pulley
fig. 6A1-29
5) Turn the crankshaft counterclockwise to
remove the belt slack between the crankshaft
timing
pulley and the RH bank camshaft ,.......,,
timing pulley.
6) Install the belt on the water pump pulley.
7) Install the belt on the idler pulley.
8) Align the alignment mark (white line) on the
timing belt with the alignment mark on the
LH
bank camshaft timing pulley.
If
the belt is difficult to install, turn the
camshaft
pulley slightly counterclockwise.
9) Install crankshaft pulley temporarily and
tighten center bolt by hand (do
not use a
wrench). Turn the crankshaft
pulley clockwise
to give some slack between the crankshaft
timing
pulley and the RH bank camshaft
timing
pulley.
1 0) Install the pusher while pushing the tension
pulley to the belt.
11) Pull out the pin from the pusher.
NOTE:
When reusing the pusher, press the pusher to
retract the rod (1.4 mm piano wire). (Fig. 6A 1-30)
Approx. 100 kg
... Direction for installation
Fig. 6A1-30
,.. ..
•

12) Remove double clips from pulleys. Turn the
crankshaft
pulley clockwise by two turns.
Measure the rod protrusion to ensure
it is
within the standard. (Fig. 6A 1-31)
Standard
mm (in) I 4 - 6 (0.16 -0.24)
Adjusting bolt
Pusher
Fig. 6A1-31
13) If out of standard, remove pusher, loosen
adjusting bolt, and readjust. Repeat from step
11 ).
Tighten adjusting bolt to the specified torque
1~1 Torque N·m (lb·ft) I 42 (31)
11. Pusher
• Tighten bolt to the specified torque.
1~1 Torque N·m (lb·ft) I 19 (14)
10. Timing belt cover
• Remove crankshaft pulley that was installed in
step
9.
• Tighten bolts to the specified torque.
~~~ Torque N·m (lb·ft) I 17 (12)
9. Oil cooler hose
• Tighten oil cooler hose bracket bolts to the
specified torque.
~~~ Torque N·m (lb·ft) I 22 (16)
8. Crankshaft pulley
l"iQ\1 • Using special tool J-8614-01, hold the
~ crankshaft pulley.
•
Tighten center bolt to the specified torque.
1~1 Torque N·m (lb·ft) 167 (123)
ENGINE (V6 3.2L DOHC AND SOHC) 6A1-23
7. Fan pulley assembly
• Tighten fixing bolt to the specified torque.
~~~ Torque N·m (lb·ft) 22 (16)
6. Generator drive belt
• Engage and adjust.
• Refer to Section 68 "Drive belt adjustment".
5. Air Conditioning drive belt
• Engage and adjust.
• Refer to Section 68 "Drive belt adjustment".
4. Power steering pump drive belt
• Engage and adjust.
• Refer to Section 68 "Drive belt adjustment".
3. Cooling fan assembly
• Tighten nuts to the specified torque.
~~~ Torque N·m (lb·in) I 8 (69)
2. Radiator upper fan shroud
1. Air cleaner assembly