Manual Chevrolet Luv 2.3
SECTION 01
4ZD1 GASOLINE ENGINE
INDEX CONTENTS General description Main data and specifications Major parts fixing nuts and bolts Engine repair kit Engine assembly Removal and installation Disassembly Inspection and repair Reassembly Oil pump Water pump Radiator Thermostat Diagnosis Special tools PAGE 01 — 01 — 01 — 2 4 7
01 — 11 01 — 12 01 — 12 01 — 15 01 —26 01 — 46 01 — 66 01 — 69 01 — 71 01 — 73 01 — 75 01—110
0 1 - 2 4ZD1 GASOLINE ENGINE
GENERAL DESCRIPTION
ENGINE
4ZD1 GASOLINE ENGINE 0 1 - 3 LUBRICATING SYSTEM
COOLING SYSTEM
0 1 - 4 4ZD1 GASOLINE ENGINE
MAIN DATA AND SPECIFICATIONS
Engine model Items ENGINE
4ZD1
Engine type Valve Mechanism Combustion chamber type No. of cylinders - Bore x Stroke Piston displacementCompression ratio Engine dimensions (length x width x height) Engine weight: dry PISTON Type Material Number of rings (compression — Oil rings) VALVE SYSTEM Intake valve open at B.T.D.C. close at A.B.D.C. Exhaust valve open at B.B.D.C. close at A.T.D.C. Valve clearance Intake Cold/Hot Exhaust Valve head diameter Intake Exhaust IGNITION SYSTEM Firing order Ignition timing Distributor type Type ofadvance Spark plugs Spark plug size Spark gap
mm(in.) liters (cu.in.) (to 1) mm(in.) kg (lbs.)
Gasoline, Water-cooled, 4-cycle cross-flow Single over-head camshaft (belt drive) Hemispherical type 4 - 89.3 x 90 (3.52 x 3.54) 2.25(138)
8.3
676 x 653 x 752 (26.63 x 25.72 x 29.62) 148(326)
Without T slot LO-EX 2 - 1
degree degree degree degree mm(in.) mm(in.) mm(in.) mm(in.)
21 6555 20
0.15/0.20 (0.006/0.008) 0.25/0.30 (0.010/0.012) 42.4 (1.67) 36.0 (1.42)
B.T.D.C. degree/rpm
mm mm(in.) mm(in.)
1-3-4-2 6/800 (Federal), 6/900 (California) Full transistorized Centrifugal and vacuum NGK BPR 6ES-11 M14 P=1.25 (0.050) 1.05 (0.040)
4ZD1 GASOLINE ENGINE 0 1 - 5
Engine model Items LUBRICATION S Y S T E M
4ZD1
OIL PUMP Type Delivery volume At pump speedPressure of delivery Oil temperature Engine oil Relief valve opening pressure OIL FILTER Type Over-flow valve opening pressure Oil capacity kg/cm2(psi) (qts) Cartridge-high-media paper element 0.8 - 1 . 2 ( 1 1 . 4 - 1 7 . 1 ) 4.9 (5.2) Crankcase (less filter) 3.8 (4.0) Crankcase (with filter) COOLING SYSTEM RADIATOR Type Filler cap valve opening pressure WATER PUMP Type Delivery volume At pump speedWater temperature THERMOSTAT Type Valve opening temperature Valve wide open temperature Fan pulley ratio Fan outside diameter — number of blades Fan belt type FUEL SYSTEM Carburetor type Carburetor model Fuel pump type Fuel filter type AIR CLEANER Type BATTERY Type Voltage (V) -Capacity (amp.) 55D23R 12-60 Wet-paper 2-barrel down draft DFP384 (California only), DCR384 (Federal only) Mechanicaldiaphragm Cartridge-paper element °C(°F) °C(°F) Wax-pellet with jiggle valve 82(180) 95 (203) 1.23 Without A/C 330-4 with A/C 3 9 0 - 7 V-belt liters/min.(gal./min.) (rpm) Centrifugal limpeller type 190(50) 6 f 000 Normal kg/cm (psi)
2
Trochoid type liters/min.(gal./min.) rpm kg/cm2(psi) °C(°F) kg/cm (psi)
2
More than 16.0 (4.223) 34.7 (9.1 59) 3000 4.0 (56.9) 50(122) SAE30 4 . 0 - 5 . 0 ( 5 6. 9 - 71.1)
4.2 (4.4)
Tubes with corrugated fins 1.05 (14.9)
0 1 - 6 4ZD1 GASOLINE ENGINE
Engine model
Items CHARGING SYSTEM Altenator type Voltage-capacity Drive and rotation Speed ratio to engine Regulator type STARTER MOTOR Type Voltage-Output Gear ratio
4ZD1
_ Stator diode rectified alternator (4x4, LT1 50— 1 88) (4x2, LT150-187) 12-50 V-belt, clockwise viewed from front2.14 IC Integrated in alternator
(V-AH) (to 1)
(V-kW)
Magnet shift, reduction type 1 2 - 1.0 9:115
4ZD1 GASOLINE ENGINE 0 1 - 7
MAJOR PARTS ; FIXING NUTS AND BOLTS
CYLINDER HEAD, CYLINDER AND OIL PAN kg-m(ft.lbs)
0 1 - 8 4ZD1 GASOLINE ENGINE PISTON AND CRANKSHAFT kg-m(ft.lbs)
4ZD1 GASOLINE ENGINE 0 1 - 9 TIMING SPROCKET, GEAR CASE, WATER PUMP, FRONT COVER AND REAR COVER...
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