Isuzu NHR 4J Series, Workshop Manual

Page: 223 / 406

6A1 – 88 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
9) Crankshaft timing pulley
•
Block the crankshaft with a piece of hard wood.
• Use the crankshaft timing pulley puller to remove the
timing pulley.
Crankshaft Timing Pulley Puller: 5-8840-2035-0
10) Injection pump timing pulley
11) Injection pump
Above works refer to “CYLINDER BLOCK
ASSEMBLY” Section in this manual.
12) Camshaft timing pulley
5. Oil Pan Assembly
6. Oil Pump Assembly
Above works refer to “CAMSHAFT AND TAPPET” Section
in this manual.
7. Piston Cooling Oil Pipe
• Remove the oil pipe from cylinder block.
8. Piston and Connecting Rod Assembly
• If the connecting rod lower bearings are to be
reinstalled, mark their fitting positions by tagging each
bearing with the cylinder number from which it was
removed.
• Remove carbon deposits from the upper portion of the
cylinder wall with a scraper before removing the piston
and connecting rod.
Move the piston to the top of the cylinder and tap it
with a hammer grip or similar object from the
connecting rod lower side to drive it out.
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