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Toyota 1HZ Repair Manual

Toyota 1HZ
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LU-16 LUBRICATION SYSTEM - Oil Cooler, Relief Valve and Check Valve
REMOVAL OF OIL COOLER, RELIEF VALVE
AND CHECK VALVE
(See page LU-15)
1. DRAIN ENGINE COOLANT (See page CO-4)
2. REMOVE OIL FILTER (Seepage LU-6)
3. REMOVE INJECTION PUMP
(See page FU-27)
4. REMOVE OIL DIPSTICK AND GUIDE
(a) Remove the two bolts, oil dipstick and guide.
(b) Remove the oil ring from the oil dipstick guide.
5. REMOVE OIL COOLER AND OIL COOLER COVER
ASSEMBLY
Remove the thirteen bolts, two nuts, oil cooler and oil
cooler assembly and gasket.
6. SEPARATE OIL COOLER AND OIL COOLER COVER
Remove the four nuts, oil cooler and two gaskets from the
oil cooler cover.
7. REMOVE RELIEF VALVE
Remove the relief valve and gasket.
8. REMOVE CHECK VALVE
Remove the check valve and gasket.

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Toyota 1HZ Specifications

General IconGeneral
Fuel TypeDiesel
Maximum Power96 kW (129 hp) at 3800 rpm
Firing Order1-5-3-6-2-4
AspirationNaturally aspirated
Fuel SystemDirect injection
Cooling SystemWater-cooled
Displacement4.2 L (4164 cc)
Maximum Torque285 N·m (210 lb·ft) at 2200 rpm
ValvetrainSOHC, 12 valves (2 per cylinder)

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