Opel Kadett User Manual

General
Maker’s designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 SC
Bore x stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79.0 x 61.0 mm
Cubic capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1196 cc
Compression ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0: 1
Valve clearances (warm)
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.15 mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25 mm
Cylinder head
Identification mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
Valve seat width:
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 to 1.50 mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.60 to 1.85 mm
Overall height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 ± 0.25 mm
Valves and guides Inlet Exhaust
Overall length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99.3 mm 101.1 mm
Head diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 mm 29 mm
Stem diameter (nominal, ± 0.005 mm):
Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.005 mm 6.995 mm
Oversize 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.080 mm 7.060 mm
Oversize 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.155 mm 7.1 35 mm
Oversize A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.255 mm 7.235 mm
Valve guide bore (± 0.01 mm):
Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.035 mm
Oversize 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.110 mm
Oversize 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.185 mm
Oversize A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.285 mm
Valve clearance in guide:
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.01 5 to 0.045 mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.035 to 0.065 mm
Sealing face angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44°
Chapter 2 Part A:
OHV engine
Ancillary components - removal and refitting . . . . . . . . . . . . . . . . . . . .6
Camshaft and tappets - removal and refitting . . . . . . . . . . . . . . . . . .18
Compression test - description and interpretation . . . . . . . . . . . . . . . .2
Crankshaft and main bearings - removal and refitting . . . . . . . . . . .20
Crankshaft rear oil seal - removal and refitting . . . . . . . . . . . . . . . . .19
Cylinder head - overhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Cylinder head - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . .8
Cylinder head and pistons - decarbonising . . . . . . . . . . . . . . . . . . . .10
Engine oil and filter - renewal . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Engine oil level check . . . . . . . . . . . . . . . . . . . . . . .See Weekly checks
Engine - initial start-up after overhaul . . . . . . . . . . . . . . . . . . . . . . . .24
Engine - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Engine components - examination and renovation . . . . . . . . . . . . . .21
Engine dismantling and reassembly - general . . . . . . . . . . . . . . . . . . .5
Engine lubrication system - general description . . . . . . . . . . . . . . . .22
Engine/transmission mountings - removal and refitting . . . . . . . . . .17
Flywheel - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
General engine checks . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Oil pump - overhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Oil pump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Operations possible with the engine in the car . . . . . . . . . . . . . . . . . .3
Operations requiring engine removal . . . . . . . . . . . . . . . . . . . . . . . . .4
Pistons and connecting rods - removal and refitting . . . . . . . . . . . .15
Sump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Timing gear components - removal and refitting . . . . . . . . . . . . . . .14
Valve clearances - adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2A•1
Easy, suitable for
novice with little
experience
Fairly easy, suitable
for beginner with
some experience
Fairly difficult,
suitable for competent
DIY mechanic
Difficult, suitable for
experienced DIY
mechanic
Very difficult,
suitable for expert
DIY or professional
Degrees of difficulty
Specifications
Contents
2A

Opel Kadett Specifications

General

Brand	Opel
Model	Kadett
Category	Automobile
Language	English