Toyota 1HZ Repair Manual

FUEL SYSTEM - Injection Pump FU-51
6. INSTALL TIMER PISTON
(a) Apply No. 50 DENSO grease to the timer piston.
(b) Install the sub-piston into the timer piston.
(c) Insert the timer piston into the pump housing.
7. INSTALL ROLLER RING
(a) (1PZ)
Install the slide pin, three rollers and washers on the
roller ring as shown in the illustration.
(b) (1 HZ and 1HD-T)
Install the slide pin, four rollers and washers on the
roller ring.
(c) Check that the roller is facing the flat surface of the
washer.
(d) Install the roller ring into the pump housing.
(e) Carefully install the slide pin into the sub-piston.

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)