Toyota 1HZ Repair Manual

EM-74 ENGINE MECHANICAL - Cylinder Head
(c) Using a dial indicator, measure the protrusion of the
combustion chamber from the cylinder head.
Protrusion: Minus 0.04-Plus 0.04 mm
(Minus 0.0016- Plus 0.0016 in.)
If the protrusion is less than specified, adjust with shims.
Shim thickness: 0.03 mm (0.0012 in.)
If the protrusion is greater than specification, replace the
chamber and recheck the protrusion.
5. INSTALL VALVES
(a) Install the following parts:
(1) Oil seal
(2) Valve
(3) Spring seat
(4) Valve spring
(5) Spring retainer
(b) Using SST, compress the valve spring and place the
two keepers around the valve stem.
SST 09202-43013
(c) Using a plastic-faced hammer, lightly tap the valve
stem tip to assure proper fit.
6. INSTALL VALVE LIFTERS AND SHIMS
Check the valve lifter rotates smoothly by hand.

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)