Opel Kadett E

1984-1991 of release

Repair and car operation

4.1.1. A technical characteristics

THE GENERAL DATA

Engine OHV is an engine with one camshaft established in the block of cylinders.

Designation	12 SC
Diameter of the cylinder x a piston stroke	79,0 x 61,0 mm
Working volume	1196 sm3
Compression degree	9,0: 1
Klapannye backlashes (the warm engine):
– The inlet	0,15 mm
– The final	0,25 mm
Head of the block of cylinders
Designation	Е
Width of a saddle of the valve:
– The inlet	1,25 – 1,50 mm
– The inlet	1,25 – 1,50 mm
Full height	81 ± 0,25 mm

Valves and directing

Parametre	The inlet	The final
Length	99,3 mm	101,1 mm
Diameter of a plate	32 mm	29 mm
Diameter of a core (face value, ± 0,005 mm):
– The standard	7,005 mm	6,995 mm
– The increased size 1	7,080 mm	7,060 mm
– The increased size 2	7,155 mm	7,135 mm
– The increased size A	7,255 mm	7,235 mm
Internal diameter of the directing plug of the valve (± 0,01 mm):
– The standard	7,035 mm
– The increased size 1	7,110 mm
– The increased size 2	7,185 mm
– The increased size A	7,285 mm
Klapannyj backlash in the directing:
– The inlet	0,015 – 0,045 mm
– The final	0,035 to 0,065 mm
Corner of a working facet	44 °

Camshaft

Radial люфт	Maximum of 0,03 mm
Axial люфт	0,17 – 0,43 mm
Cam lifting	6,45 mm

Pistons and cylinders

Parametre	Diameters	Marks
The industrial size 1	78,95 mm	5
	78,96 mm	6
	78,97 mm	7
	78,98 mm	8
The industrial size 2	78,99 mm	99
	79,00 mm	00
	79,01 mm	01
	79,02 mm	02
The industrial size 3	79,03 mm	03
	79,04 mm	04
	79,05 mm	05
	79,06 mm	06
The industrial size 4	79,07 mm	07
	79,08 mm	08
	79,9 mm	09
	79,10 mm	1
The increased size (+ 0,5 mm face value)	79,47 mm	79,47/7 + 0,5
	79,48 mm	79,48/8 + 0,5
	79,49 mm	79,49/9 + 0,5
	79,50 mm	79,50/0 + 0,5
Backlash between the piston and the cylinder	0,1 – 0,3 mm
Ovality and конусность cylinders	Maximum of 0,013 mm

Piston rings

Quantity on the piston	2 компрессионных, 1 маслосъемное
Thickness:
– компрессионные	2,0 mm
– маслосъемные	5,0 mm
Locks of rings:
– Displacement of locks of piston rings	180 ° (subsection 4.1.10.2 see)
– A backlash of piston rings in a piston flute	It is not specified – typical 0,06 mm

Piston fingers

Length	65 mm
Diameter	20 mm
Backlash in the piston	0,0015 – 0,0195 mm
Backlash in a rod	Without a backlash (motionless landing)

Cranked shaft and bearings

Number of radical bearings	3
Diameters of necks of radical bearings – standard:
– The forward	53,997 – 54,010 mm
– Central and back	54,007 – 54,020 mm
Width of a neck of the central radical bearing – standard	29,000 – 29,052 mm
Identification of the loose leaf of the radical bearing:
– Increased on 0,25	A
– Increased on 0,50	IN
Ovality radical and шатунных necks	Maximum of 0,006 mm
Конусность radical and шатунных necks	Maximum of 0,01 mm
Axial люфт a cranked shaft	0,09 – 0,20 mm
Люфт a rod	0,02 – 0,06 mm
Working backlash of radical bearings:
– The forward	0,020 – 0,046 mm
– The central	0,010 – 0,036 mm
– The back	0,010 – 0,032 mm
Working backlash шатунного the bearing	0,11 – 0,24 mm
Palpation of a cranked shaft (on the central neck)	Maximum of 0,03 mm

Identification of loose leaves of radical bearings

The loose leaf	Colour	Code
The standard:
– The forward top	The brown	1 ON or 701-N
– The forward bottom	The brown	1 UN or 702-N
– The central top	The brown	20 + UN or 705-N
– The central bottom	The green	20 + UN or 725-N
– The back top	The green	631-N
– The back bottom	The green	635-N
Standard neck, aperture of the increased size:
– The forward top	U1-OB
– The forward bottom	U1-U
– Central, top and bottom	U
– The back top	U3-OB
– The back bottom	U3-U
Diameter шатунной necks – standard	44,971 – 44,987 mm
The increased sizes radical and шатунных loose leaves	0,25 mm industrial and repair; 0,50 mm only the repair
The increased size 0,25:
– The forward top	Brown-dark blue	1 OA or 006
– The forward bottom	Brown-dark blue	1 UA or 008
– The central top	Brown-dark blue	20 + UA or 014
– The central bottom	The brown	20 + UA or 034
– The back top	Green-dark blue	632
– The back bottom	Green-dark blue	636
The increased size 0,50:
– The forward top	Brown-black	1 OB or 027 In
– The forward bottom	Brown-black	1 U or 029 In
– The central top	Brown-black	2 OB 0,35 IN
– The central bottom	Green-black	2 UB 0,35 IN
– The back top	No	3 OB 0,50
– The back bottom	No	3 U 0,50

Flywheel

Palpation of a gear wreath	Maximum of 0,5 mm
Thickness of machining from outside couplings	Maximum of 0,3 mm

Greasing system

Backlashes of the oil pump:
– Between teeths of gear wheels	0,1 – 0,2 mm
– Between a gear wheel and the case	0,04 – 0,10 mm
Pressure of oil upon idling turns (the engine warm)	1,5 bar

The tightening moments

Bolts of fastening of a flywheel (each time use new bolts):
– A stage 1	35 Nanometers
– A stage 2	To tighten on a corner 50 ° – 90 °
Covers of radical bearings	62 Nanometers
Covers шатунных bearings	27 Nanometers
Bolts of fastening of the oil pallet (with structure interfering unscrewing)	5 Nanometers
Bolts of fastening of a head of the block of cylinders (each time use new bolts):
– A stage 1	25 Nanometers
– A stage 2	To tighten on a corner 60 °
– A stage 3	To tighten on a corner 60 °
– A stage 4	To tighten on a corner 60 °
Camshaft pulley	40 Nanometers
Pulley of a cranked shaft	40 Nanometers
The right support of the power unit:
– To the block of cylinders (the bottom bolt to establish with hermetic use)	20 Nanometers
– To демпферу	40 Nanometers
Support of the power unit to a body:
– The back left	65 Nanometers
– The back right	40 Nanometers
Drain stopper of the oil pallet	45 Nanometers
Bolts of fastening of the oil pump	20 Nanometers