Opel Omega A (1986-1993): Service and Repair Manuals

Opel Omega (Nov 1986 - 1994) & Senator (Sept 1987 - 1994) - Petrol | Haynes Service and Repair Manual

Haynes workshop manual on the Opel Omega (11/1986-1994) and Senator (9/1987-1994).

Petrol engines:
- 4 cylinders - 1.8 (1796 cc SOHC, engine code 18SEH) and 2.0 (1998 cc SOHC, 20SE, C20NE, C20NEF and C20NEJ)
- 6 cylinders - 2.5 (2490 cc CIH, 25NE), 2.6 (2594 cc CIH, C26NE) and 3.0 (2969 cc CIH, C30NE and C30LE) and 3.0 24V (2969 cc DOHC, C30SE and C30SEJ).

Exclusions: This manual does not cover the Lotus version or the diesel engines.

This Haynes manual for the Opel Omega and Senator petrol models guides you through the maintenance and repair of the engine (distribution, belts, valves, camshaft, cylinder head, oil pump, seals and radiator).
It also includes procedures for the heater, fuel system, exhaust, starting and charging system. Additionally, it covers work on the clutch, gearbox, driveshafts, braking system, suspension, steering gear, body, interior and electrical system.

• Step-by-step instructions with detailed photos.
• Based on a complete strip-down and rebuild.
• Includes a maintenance schedule, technical specifications, torque wrench settings and troubleshooting tables.
• Clear and detailed wiring diagrams.

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Opel Omega A - Benziner und Diesel (9/1986-12/1993) | So wird's gemacht

Workshop manual from the German series So wird's gemacht (nr. 60) on the Opel Omega A, petrol and diesel, Limousine and Caravan.

Petrol engines:
4 Cylinders:
- 1.8 L (60 kW/82 hp, engine code 18NV, 09/86-08/87, with catalytic converter)
- 1.8 L (65 kW/88 hp, E18NVR, 08/87-04/90)
- 1.8 L (66 kW/90 hp, 18SV, 09/86-08/87)
- 1.8 L (85 kW/115 hp, 18SEH, 08/86-07/92)
- 2.0 L (73 kW/99 hp, C20NEJ, 04/90-12/93, with catalytic converter)
- 2.0 L (85 kW/115 hp, C20NE, 09/86-12/93, with catalytic converter)
- 2.0 L (90 kW/122 hp, 20SE, 09/86-08/87)
- 2.4 L (92 kW/125 hp, C24NE, 08/88-12/93, with catalytic converter)
V6:
- 2.6 L (110 kW/150 hp, C26NE, 09/90-12/93, with catalytic converter)
- 3.0 L (115 kW/156 hp, C30LE, 09/86-01/88, with catalytic converter)
- 3.0 L (130 kW/177 hp, 30NE, 09/86-08/90)
- 3.0 L (130 kW/177 hp, C30NE, 08/88-12/93, with catalytic converter)
- 3.0 L 24V (147 kW/200 hp, C30SEJ, 09/90-12/93, with catalytic converter)
- 3.0 L 24V (150 kW/204 hp, C30SE, 09/89-12/93, with catalytic converter)

Diesel engines:
- 2.3 L (54 kW/73 hp, engine code 23YD, 09/86-12/93)
- 2.3 Turbo-Diesel (66 kW/90 hp, 23YDT, 09/86-08/88)
- 2.3 Turbo-Diesel (74 kW/100 hp, 23DTR, 09/88-12/93)

Production years: 09/1986-12/1993.

The initial section of this manual on the Opel Omega A covers inspection and daily maintenance of the petrol and diesel engines, transmission, brakes, steering and body (including the electrical system, windscreen wipers, lighting and heating or air conditioning).

Furthermore, this book provides detailed guidance on the following components:
- Suspension (replacement of driveshafts, springs and shock absorbers), steering (ball joints) and brakes (discs, brake linings and handbrake).
- Electrical system (battery, voltage regulator and starter motor).
- Dismantling and assembly of the engine cylinder head and cam drive, including replacement of the v-belt and the timing belt or chain.
- The lubricating system with the oil pump.
- The cooling system (replacement of radiator, thermostat and cooling fan).
- The fuel system (air filter, fuel pump and fuel filter) and exhaust (replacement of mufflers).
- Interior: removal and refitting of the dashboard, instrument panel, consoles, interior trim and seats.
- Body: dismantling and assembly of bumpers, fenders, bonnet, tailgate, doors, window mechanisms, locks and mirrors.

• Extensive technical specifications, adjustment data and torque wrench settings.
• Clear wiring diagrams of the main circuits.

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Opel Omega - 2.0 Liter Modelle (ab 9/1986) | Bucheli Reparaturanleitung

Bucheli Reparaturanleitung for service and repair of the Opel Omega.

Petrol engines: 2.0 litre.

Production years: since 9/1986.

This Bucheli manual on the Opel Omega provides detailed instructions for work on the 2.0 litre petrol engines (removal - refitting, crankshaft, connecting rods, pistons, distribution, valves, oil pump, cooling, fuel system).
Covers also the clutch, gearbox (only removal and installation), driveshafts, steering system, front and rear suspension, brakes, electrical system and the exhaust.

• Includes comprehensive technical data and torque wrench settings.
• Clear wiring diagrams.
• Reprint of the 8th edition (1994).

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Opel Omega A - Benziner Vierzylinder (10/1986-02/1994) | Jetzt helfe ich mir selbst

Repair manual from the series "Jetzt helfe ich mir selbst" (nr. 138, reprint) for the Opel Omega A 4-cylinder petrol models (Limousine and Caravan).

Petrol engines: 4 cylinders - 1.8 L (60 kW/82 hp, 65 kW/88 hp, 66 kW/90 hp and 85 kW/115 hp), 2.0 L (85 kW/115 hp and 90 kW/122 hp) and 2.4 L (92 kW/125 hp).

Production years: 10/1986-02/1994.

• This repair manual on the Opel Omega A describes maintenance and repair of the 4-cylinder petrol engines: the lubricating system, cooling, fuel system, filters and exhaust.
• Covers also the clutch and transmission, the suspension, the steering system, the servo unit and the brakes, the electrical system (including windscreen wipers and lighting), the interior and the body.
• This manual contains also adjustment data and a maintenance schedule.
• Reprint of the 3rd edition (1999).

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