Isuzu N Series 2008, Owner'S Manual, Page: 382 / 580

7-36
SERVICE AND MAINTENANCE
ADVICE
Tighten the radiator drain plug by •
hand. Tightening with pliers or some
other tool could damage it.
ADVICE
When cleaning the radiator core, do not crush or damage the fins. •
Cleaning the Radiator Core
Cooling efficiency is compromised when there is dirt or dust plugging air passages in
the radiator core. It also could cause corrosion of the radiator core. Periodically wash
the radiator core with water.
Engine drain plug tightening torque
21.6 N·m (2.2 kgf·m/ 16 lb·ft )
5. For the 4JJ1 engine, apply sealant
(LOCTITE
®
262 or equivalent) to the
screw threads of the engine drain
plug before installing it.
For the 4HK1 engine, attach the
gasket in the drain plug before
installing it.
4JJ1 engine model
4HK1 engine model
CAUTION
Do not start the engine if there is no •
coolant in the radiator after draining.
This could cause the engine to seize
up.
2008N_sec07-1_print2.indd 36 3/09/2008 5:47:36 PM