Toyota 1HZ Repair Manual

CO-2
COOLING SYSTEM - Description
DESCRIPTION
This engine utilizes a pressurized water forced circulation cooling system which includes a thermostat equipped
with a by-pass valve mounted on the inlet side.
IPZ and 1HZ
From Heater
To Heater
Thermostat
Radiator
1HD-T
From Heater
To Heater
Thermostat
Radiator
C01049
C01050

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)