Toyota 1HZ Repair Manual

LUBRICATION SYSTEM Oil Pressure Check LU-5
OIL PRESSURE CHECK
1. CHECK ENGINE OIL QUALITY
Check the oil for deterioration, entry of water, discoloring or
thinning.
If the quality is poor, replace the oil.
Use API grade CD or better and recommended viscosity oil.
(Europe)
Use API grade CC, CD or better and recommended viscos-
ity oil. (Others)
2. CHECK ENGINE OIL LEVEL
The oil level should be between the "L" and "F" marks on
the dipstick.
If low, check for leakage and add oil up to "F" mark.
NOTICE: Do not fill with engine oil above the "F"
mark.
3. REMOVE OIL PRESSURE SENDER GAUGE
4. INSTALL OIL PRESSURE GAUGE
5. WARM UP ENGINE
Allow the engine to reach normal operating temperature.
6. CHECK OIL PRESSURE
Oil pressure:
At idling 0.3 kg/cm
2
(4.3 psi, 29 kPa)
or more
At 3,000 rpm 2.5 kg/cm
2
(36 psi, 245 kPa)
or more
7. REMOVE OIL PRESSURE GAUGE
8. REINSTALL OIL PRESSURE SENDER GAUGE
9. START ENGINE AND CHECK FOR LEAKS

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)