Vauxhall Opel Omega Petrol 1994 – 1999 Haynes Owners Service & Repair Manual covers: Saloon, Estate, Including Special / Limited Editions.
- 2.0 litre (1998cc) “X20SE” SOHC 8 Valve 4 cylinder petrol
- 2.0 litre (1998cc) “X20XEV” DOHC “Ecotec” 16 Valve 4 cylinder petrol
- 2.5 litre (2498cc) “X25XE” DOHC “Ecotec” 24 Valve V6 petrol – also fitted to Aust-market Vectra
- 3.0 litre (2968cc) “X30XE” DOHC “Ecotec” 32 Valve V6 petrol
Does NOT cover Diesel or ‘bi-fuel’ models.
NOTE: Only maintenance, adjustment, minor repair procedures plus removal and installation are described for the transmissions.
The Vauxhall Omega was introduced into the UK in April of 1994 as a replacement for the Vauxhall Carlton and Senator. At its launch, the Omega was available in both Saloon and Estate body styles with a choice of either 2.0 litre (1998 cc) or a 2.5 litre (2498 cc) petrol engine both available with either a 5-speed manual transmission unit or a 4-speed automatic transmission unit. Shortly afterwards a 3.0 (2968 cc) litre petrol engine was also introduced. A 2.5 litre Diesel engine (not covered in this manual) was also available. The petrol engines are all well-proven units which are used in many other Vauxhall vehicles; the engine is mounted at the front of vehicle with the transmission mounted on its rear.
Two versions of the four-cylinder 2.0 litre engine were used; low specification vehicles were fitted with a single overhead camshaft (SOHC) 8-valve engine were as all other vehicles were fitted with the double overhead camshaft (DOHC) 16-valve engine often referred to as the ECOTEC engine. The 2.5 and 3.0 litre engines are both V6, double overhead camshaft (DOHC) units which are also often referred as ECOTEC engines.
All models have fully-independent front and rear suspension and are equipped with front and rear disc brakes. A wide range of standard and optional equipment is available within the range to suit most tastes, including central locking, electric windows and an electric sunroof. An air conditioning system was available as an option on certain models.
Provided that regular servicing is carried out in accordance with the manufacturer’s recommendations, the vehicle should prove reliable and very economical. The engine compartment is well-designed, and most of the items requiring frequent attention are easily accessible.
Your Vauxhall Omega manual
The aim of this manual is to help you get the best value from your vehicle. It can do so in several ways. It can help you decide what work must be done (even should you choose to get it done by a garage). It will also provide information on routine maintenance and servicing, and give a logical course of action and diagnosis when random faults occur. However, it is hoped that you will use the manual by tackling the work yourself. On simpler jobs it may even be quicker than booking the car into a garage and going there twice, to leave and collect it. Perhaps most important, a lot of money can be saved by avoiding the costs a garage must charge to cover its labour and overheads.
The manual has drawings and descriptions to show the function of the various components so that their layout can be understood. Tasks are described and photographed in a clear step-by-step sequence.
- Living with Your Vauxhall / Opel Omega
- Roadside Repairs
- Weekly Checks
- Routine Maintenance & Service
- 2.0 litre SOHC Engine In-Car Repair Procedures
- 2.0 litre DSOHC Engine In-Car Repair Procedures
- 2.5 litre & 3.0 litre Engine In-Car Repair Procedures
- General Engine Overhaul Procedures
- Cooling, Heating & Ventilation Systems
- Fuel & Exhaust Systems
- Emission Control Systems
- Starting & Charging Systems
- Ignition System
- Manual Transmission
- Automatic Transmission
- Final Drive, Driveshafts & Propeller Shaft
- Braking System
- Suspension & Steering
- Bodywork & Fittings
- Body Electrical Systems
- Wiring Diagrams
Haynes manuals are written specifically for the do-it-yourselfer, yet are complete enough to be used by professional mechanics. Since 1960 Haynes has produced manuals written from hands-on experience based on a vehicle teardown with hundreds of photos and illustrations, making Haynes the world leader in automotive repair information.
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