Isuzu NHR 4J Series, Workshop Manual

Page: 251 / 406

6B - 8 ENGINE COOLING
INSTALLATION
9. Water Pump Assembly
• Set O-ring in water pump body groove.
• Install water pump assembly, and tighten to specified
torque.
Pump Fixing Bolt Torque N ∙ m (Kg ∙ m/lb ∙ ft)
20 (2.0/14)
8. Timing Pulley Lower Cover
• Install timing pulley lower cover, and tighten to
specified torque.
Cover Fixing Bolts Torque N ∙ m (Kg ∙ m/lb ∙ in)
8 (0.8/69)
7. Timing Pulley Upper Cover
• Install timing upper cover, and tighten to specified
torque.
Cover Fixing Bolts Torque N ∙ m (Kg ∙ m/lb ∙ in)
8 (0.8/69)
6. Crankshaft Damper Pulley
• Install crankshaft damper pulley, and tighten to
specified torque.
Pulley Bolt Torque N ∙ m (Kg ∙ m/lb ∙ in)
19 (1.9/14)
5. AC Generator Drive Belt
4. A/C Compressor Drive Belt
3. Power Steering Pump Drive Belt
• Install the drive belts and adjust belt
Check drive belts for wear or damage, and replace
with new ones as necessary. Check belts for tension,
and adjust as necessary.
• Push the middle of belts with a force of 98 N
(10 kg/22 lb) and check each bolt for deflection.
• Standard deflection
mm (in)
Initial tension
AC Generator drive belt
A/C compressor drive belt
Power Steering drive belt
8 – 12
(0.31-0.47)
6B-7-1.tif
6B-7-3.tif
6B-7-2.tif