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Toyota 1HZ Repair Manual

Toyota 1HZ
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LU-12 LUBRICATION SYSTEM - Oil Pump
ASSEMBLY OF OIL PUMP
(See page LU-8)
1. INSTALL DRIVEN ROTOR
2. INSTALL RELIEF VALVE
(a) Insert the relief valve and spring into the installation
hole of the timing gear case.
(b) Install a new gasket and the plug.
Torque: 425 kg-cm (31 ft-lb, 42 N-m)
INSTALLATION OF OIL PUMP
(See page LU-8)
1. INSTALL OIL PUMP (TIMING GEAR CASE)
(a) Remove any old packing (FIPG) material and be
careful not to drop any oil on the contact surfaces of
the timing gear case and cylinder block.
Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket
surfaces and sealing groove.
Thoroughly clean all components to remove all the
loose material.
Using a non-residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the timing gear case as shown
in the illustration.
Seal packing: Part No.08826-00080 or equivalent
Install a nozzle that has been cut to a 2 - 3 mm
(0.08-0.12 in.) opening.
Parts must be assembled within 5 minutes of appli-
cation. Otherwise the material must be removed
and reapplied.
Immediately remove nozzle from the tube and rein-
stall cap.
(c) Place a new gasket into the groove of the timing gear
case as shown in the illustration.

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Toyota 1HZ Specifications

General IconGeneral
Fuel TypeDiesel
Maximum Power96 kW (129 hp) at 3800 rpm
Firing Order1-5-3-6-2-4
AspirationNaturally aspirated
Fuel SystemDirect injection
Cooling SystemWater-cooled
Displacement4.2 L (4164 cc)
Maximum Torque285 N·m (210 lb·ft) at 2200 rpm
ValvetrainSOHC, 12 valves (2 per cylinder)

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