Toyota 1HZ Repair Manual

EM-78
ENGINE MECHANICAL - Cylinder Head
(d) 2nd, retighten the cylinder head bolts 90° in the
numerical order shown above.
(e) 3rd, retighten cylinder head bolts by an additional 90°.
(f) Check that the painted mark is now facing rearward.
4. INSTALL CAMSHAFT
(a) Install the camshaft thrust plate to the cylinder head.
(b) Install the camshaft bearings to the No.1 bearing cap
and No.1 journal of the cylinder head.
(c) Place the camshaft on the cylinder head, facing the
key groove upward.
(d) Install the six (1PZ) or seven (1 HZ and 1HD-T) bear-
ing caps in their proper locations.
(e) (1PZ)
Install and uniformly tighten the twelve bearing cap
bolts in several passes in the sequence shown.
Torque:
No.1 journal 250 kg-cm (18 ft-lb, 25 N-m)
Others 185 kg-cm (13 ft-lb, 18 N-m)

Toyota 1HZ Specifications

General

Fuel Type	Diesel
Maximum Power	96 kW (129 hp) at 3800 rpm
Firing Order	1-5-3-6-2-4
Aspiration	Naturally aspirated
Fuel System	Direct injection
Cooling System	Water-cooled
Displacement	4.2 L (4164 cc)
Maximum Torque	285 N·m (210 lb·ft) at 2200 rpm
Valvetrain	SOHC, 12 valves (2 per cylinder)