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Toyota 1HZ Repair Manual

Toyota 1HZ
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EM-55
ENGINE MECHANICAL Cylinder Head
REMOVAL OF CYLINDER HEAD
(See page EM-54)
1. DRAIN ENGINE COOLANT (See page CO-4)
2. REMOVE INTAKE PIPE
(See step 6 on page EM-34)
3. REMOVE INJECTION PIPES
(See step 2 on page FU-9)
4. REMOVE OIL DIPSTICK AND OIL DIPSTICK GUIDE
(a) Remove the two bolts, and the oil dipstick guide
assembly.
(b) Remove the O-ring from the oil dipstick guide.
5. REMOVE INTAKE MANIFOLD
(a) Disconnect the fuel hose from the nozzle leakage pipe.
(b) (1PZ)
Remove the ten bolts, seal washers, intake manifold
and five gaskets.
(c) (1 HZ and 1HD-T)
Remove the twelve bolts, seal washers, intake mani-
fold and six gaskets.
6. REMOVE WATER OUTLET
(a) (1HD-T)
Disconnect the water by-pass hose.
(b) Remove the two nuts, water outlet and gasket.
7. REMOVE NOZZLE LEAKAGE PIPE
(1PZand1HZ)
(a) (1PZ)
Remove the five union nuts, nozzle leakage pipe and
five gaskets.
(b) (1HZ)
Remove the six union nuts, nozzle leakage pipe and
six gaskets.

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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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