Repair Manual

GENERAL INFORMATION
ENGINE OVERHAUL <4A9>
11B-2
GENERAL INFORMATION
M1113000100976
Vehicle name Vehicle
model
Engine model Displacement
mL
Specification
Colt Z23A 4A91 1,499 Double overhead camshaft, 16-valve
GENERAL SPECIFICATIONS
M1113000200962
Item 4A91
Total displacement mL 1,499
Bore × stroke mm 75.0 × 84.8
Compression ratio 10.0
Combustion chamber Pentroof type
Camshaft arrangement DOHC
Number of valve Intake 2
Exhaust 2
Valve timing Intake opening BTDC 31° − ATDC 19°
Intake closing ABDC 21° − ABDC 71°
Exhaust opening BBDC 39°
Exhaust closing ATDC 5°
Fuel system Electronically controlled multipoint fuel injection
Rocker arm None
Auto-lash adjuster None
SERVICE SPECIFICATIONS
M1113000301014
Item Standard value Limit
TIMING CHAIN
Valve clearance mm Intake 0.22
−
Exhaust 0.30
−
CAMSHAFT
Cam height mm Intake 44.71 44.21
Exhaust 44.28 43.78
CYLINDER HEAD AND VALVES
Cylinder head bottom face distortion mm 0.03 or less 0.2
Cylinder head bottom surface grinding limit (Total resurfacing
depth of both cylinder head and cylinder block) mm
−
0.2
Cylinder head overall height mm 112.9 − 113.1
−
Main
Index
Group
TOC