Information on later models — specifications (Opel Ascona C)

The specifications given below contain changes or additions to those specifications given in the remaining Chapters. Unless otherwise noted in the information given below, all data for 2.0 litre models are the same as those given for 1.8 litre models in the Specifications at the beginning of each relevant Chapter.

Engine (1.6 l, 1.8 l and 2.0 l, since 1987)

General information

Engine code:

• 1.6 — 16SH
• 1.8 — 18SE
• 2.0 — 20NE or 20SEH

Compression ratio:

• 20NE — 9.2: 1
• 20SEH — 10.0: 1

Crankshaft

Free end play:

• 20NE, 20SEH - 0.006 to 0.031 mm

Camshaft

Identification code:

• 18SE — E
• 20NE — J
• 20SEH — K

Pistons and rings

Piston graduation - 16SH	Diameter (mm)	Marking
Set size 1.	79.94	5
	79.95	6
	79.96	7
	79.97	8
Set size 2.	79.98	99
	79.99	00
	80.00	01
	80.01	02
Set size 3.	80.02	03
	80.03	04
	80.04	05
	80.05	06
Set size 4.	80.06	07
	80.07	08
	80.08	09
	80.09	1
Increased size (0.5 mm).	80.46	7 + 0.5
	80.47	8 + 0.5
	80.48	9 + 0.5
	80.49	0 + 0.5

Piston graduation - 18SE:
Set size 2.	84.755 to 84.765	8
	84.765 to 84.775	99
	84.775 to 84.785	00
	84.785 to 84.795	01
	84.795 to 84.805	02
Increased size (0.5 mm).	85.275 to 85.285	7 + 0.5

Piston graduations - 20NE, 20SEH:
Set size 2.	85.995 to 85.965	8
	85.965 to 85.975	99
	85.975 to 85.985	00
	85.985 to 85.995	01
	85.995 to 86.005	02
Increased size (0.5 mm)	86.445 to 86.455	7 + 0.5

Clearance between piston and bore:

• 18SE, 20NE, 20SEH - 0.01 to 0.03 mm

Cylinder head

Valve seat width:

18SE, 20NE, 20SEH:

• At the inlet - 1.0 to 1.5 mm
• On release - 1.7 to 2.2

Valves

Clearance between valve stem and guide:

18SE, 20NE, 20SEH:

• At the inlet - 0.018 to 0.052 mm
• At the outlet - 0.038 to 0.072 mm

Installed valve guide height:

• 18SE, 20NE, 20SEH - 83.50 to 83.80 mm

(Original posted on the website: «www.opelbook.ru»)

Valve stem diameter:

18SE, 20NE, 20SEH:

• At the inlet - 6.998 to 7.012 mm
• On release - 6.978 to 6.992 mm

Valve Guide Bore Diameter:

• 18SE, 20NE, 20SEH – 7.030 to 7.050 mm

Fuel and exhaust systems

Installation of fuel injection system (volumes 1.8 and 2.0 l, since 1987)

• 18SE - Bosch L3 Jetronic fuel injection system
• 20NE, 20SEH — Bosch Motronic System

Regulatory data

Idling:

• 18SE — 800 — 900 rpm
• 20NE, 20SEH — 720 — 780 rpm

CO content in exhaust at idle speed

• 13S, 16S, 16SH — 1.0 — 1.5 %
• 18E - 0.5% max
• 18SE 1.0% max
• 20NE, 20SEH — 1.0% max *

* — not regulated, data provided for informational purposes only

Ignition system

Type and installation (volumes 1.8 and 2.0 l, since 1987)

• 18SE — EZ61 (microprocessor timing system)
• 20NE, 20SEH - Motronic system

Spark plugs (all models since 1987) *

Type - Champion RN7YCC or RN7YC

Electrode gap - 0.7 to 0.8 mm

* - Information on spark plug types is recommended by the manufacturer of Champion Spark Plug. If using other types of spark plugs, please refer to the instructions provided by the manufacturer.

Brake system

Brake pads

Measurements (since 1987) - Width

• Saloon and Hatchback - 45.0 mm
• Estate - 50.0 mm

Rear wheel cylinder (since 1987)

• Piston diameter (minimum acceptable) — 18.98 mm
• Hole in the cylinder (maximum allowed) —19.12 mm
• Nominal diameter - 19.05 mm

Suspension

Tire pressure (since 1987)

Pressure in bar (psi), cold state - Front

Rear

• Tires - 155 x 13 2.0 (29)
• 1.8 (26)
• Tires - 165 x 13 1.9 (28)
• 1.7 (25)
• Tires - 185 x 13 2.0 (29)
• 1.8 (26)
• Tires - 195 x 14 2.1 (30)
• 1.9 (28)

At full load or high speed, the values should be increased by 0.2 bar (3.0 psi)

Electrical system

Fuses - later models

№	Protected circuit	Ampere
1	Left parking and rear lights.	10
2	Right parking and rear lights.	10
3	Spare.	20
4	Interior lighting, alarm system, clock, radio.	20
5	Front and rear windscreen wiper and washer, horn.	30
6	Reversing lights, cigarette lighter, automatic choke, tools.	20
7	Direction indicators, brake lights.	10
8	Rear window heating.	20
9	Heater fan.	20
10	Radiator cooling fan.	30
11	Fuel injection system.	20
12	Front fog lights.	20
13	Auxiliary headlights.	20
14	Left front headlight - high beam.	10
15	Right front headlight - high beam.	10
16	Left front headlight - low beam, rear fog light.	10
17	Right front headlight - low beam.	10
18	Spare.	10
19	Door window lifters.	30
20	Central locking system.	30

Vehicle weights:

• 2.0. CD Saloon - 1103 kg
• 2.0 Sri Saloon - 1143 kg
• 2.0 CD Hatchback - 1145 kg
• 2.0 SR I Hatchback - 1185 kg

Permissible weight of the transported trailer:

• 2.0 (all models) — 1300 kg (trailer with brakes)
• 500 kg (trailer without brakes)

Oil capacity (approximately)

Engine oil (with filter replacement):

• 1.8 and 2.0 - 4.0 liters

Manual transmission:

• F13.4 — 1.7 l
• F13.5 — 1.8 l

Cooling system capacity:

• 1.3 - 6.7 liters
• 1.6 - 7.7 liters
• 1.8 - 7.5 liters
• 2.0 - 6.9 liters