Isuzu 4LB1 - REASSEMBLY

ENGINE 59
Connector (8)
Glow plug (7)
Seat valve (1)
Apply Locktite No.262
to this portion.
(5 locations)
Hot plug
Seat; Valve insert
Valve (2)
Split cillar (5)
Spring seat (4)
Valve spring (3)
Nozzle holder (6)
Valve Stem Oil Seal
1. Lubricate the oil seals and valve stem sealing area
with engine oil.
2. Use a valve stem oil seal installer to install the oil
seal.
Valve Stem Oil Seal Installer: 5-8840-9033-0
REASSEMBLY
1. CYLINDER HEAD ASSEMBLY
Important Operations
Intake and Exhaust Valves
1. Place the cylinder head on a flat wooden surface.
2. Lubricate valve stems with engine oil.
3. Install the valves to the intake or exhaust guides.
Install the valves to their original lapped valve seats.
Fig. 116
Fig. 117
Fig. 118