Opel Omega A 1985-1994 Maintenance Plans

This schedule shows key service items and indicative intervals. Actual intervals depend on driving conditions, exact engine specification and manufacturer recommendations. For full details of all operations, sub-tasks and technical specifications, see our technical manuals.
1.8i Petrol (18SEH)

Additional operations (specific intervals)

  • Renew the timing belt every 60,000 km/48 months
  • Braking system: renew the brake fluid every 12 months

Service intervals · 1.8i Petrol (18SEH) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
1.8N Petrol (18NV)

Additional operations (specific intervals)

  • Renew the timing belt every 60,000 km/48 months
  • Braking system: renew the brake fluid every 12 months

Service intervals · 1.8N Petrol (18NV) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
1.8S Petrol (18SV)

Additional operations (specific intervals)

  • Renew the timing belt every 60,000 km/48 months
  • Braking system: renew the brake fluid every 12 months

Service intervals · 1.8S Petrol (18SV) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
2.0i Petrol (20SE)

Additional operations (specific intervals)

  • Renew the timing belt every 60,000 km/48 months
  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.0i Petrol (20SE) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
2.0i Petrol (C20NE (LE4))

Additional operations (specific intervals)

  • Renew the timing belt every 60,000 km/48 months
  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.0i Petrol (C20NE (LE4)) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
2.3 D Diesel (23YD (LW7))
(1983 - 1991) Standard interval

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.3 D Diesel (23YD (LW7)) · (1983 - 1991)

Task Oil service: every 7,500 km Every 15,000 km/12 months Every 30,000 km/24 months Every 45,000 km/36 months Every 60,000 km/48 months
Engine
Renew the engine oil ●○○○○
Renew the oil filter ●○○○○
Check for oil leaks ●●●●●
Renew the air filter ○○●○●
Check the exhaust system ○●●●●
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary ○●●●●
Transmission
Manual transmission: check for leaks ○●○●○
Manual transmission: check the oil level; top up if necessary; check for leaks ○○●○●
CV joint boots: check for damage and leaks ○●●●●
Steering
Check the steering assembly for damage, leaks and wear ○●●●●
Brakes
Check the brake pad and lining thickness ○○●○●
Check the brake lines, hoses and connections for leaks and damage ○●●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ○●●●●
Suspension: check for damage and wear ○●●●●
Check the tyre pressures; adjust if necessary ○●●●●
Exterior
Check the windscreen wipers and washing system ○●●●●
(1991 - 06/1994) Standard interval

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.3 D Diesel (23YD (LW7)) · (1991 - 06/1994)

Task Oil service: every 7,500 km Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●○○○
Renew the oil filter ●○○○
Check for oil leaks ●●●●
Renew the air filter ○○●●
Check the exhaust system ○●●●
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary ○●●●
Transmission
Manual transmission: check for leaks ○●○○
Manual transmission: check the oil level; top up if necessary; check for leaks ○○●●
CV joint boots: check for damage and leaks ○●●●
Steering
Check the steering assembly for damage, leaks and wear ○●●●
Brakes
Check the brake pad and lining thickness ○○●●
Check the brake lines, hoses and connections for leaks and damage ○●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ○●●●
Suspension: check for damage and wear ○●●●
Check the tyre pressures; adjust if necessary ○●●●
Interior
Renew the dust and pollen filter ○●●●
Exterior
Check the windscreen wipers and washing system ○●●●
2.3 TD Diesel (23DTR (LP6))
(1991 - 06/1994) Standard interval

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.3 TD Diesel (23DTR (LP6)) · (1991 - 06/1994)

Task Oil service: every 7,500 km Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●○○○
Renew the oil filter ●○○○
Check for oil leaks ●●●●
Renew the air filter ○○●●
Check the exhaust system ○●●●
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary ○●●●
Transmission
Manual transmission: check for leaks ○●○○
Manual transmission: check the oil level; top up if necessary; check for leaks ○○●●
CV joint boots: check for damage and leaks ○●●●
Steering
Check the steering assembly for damage, leaks and wear ○●●●
Brakes
Check the brake pad and lining thickness ○○●●
Check the brake lines, hoses and connections for leaks and damage ○●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ○●●●
Suspension: check for damage and wear ○●●●
Check the tyre pressures; adjust if necessary ○●●●
Interior
Renew the dust and pollen filter ○●●●
Exterior
Check the windscreen wipers and washing system ○●●●
(1983 - 1991) Standard interval

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.3 TD Diesel (23DTR (LP6)) · (1983 - 1991)

Task Oil service: every 5,000 km Every 15,000 km/12 months Every 30,000 km/24 months Every 45,000 km/36 months Every 60,000 km/48 months
Engine
Renew the engine oil ●○○○○
Renew the oil filter ●○○○○
Check for oil leaks ●●●●●
Renew the air filter ○○●○●
Check the exhaust system ○●●●●
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary ○●●●●
Transmission
Manual transmission: check for leaks ○●○●○
Manual transmission: check the oil level; top up if necessary; check for leaks ○○●○●
CV joint boots: check for damage and leaks ○●●●●
Steering
Check the steering assembly for damage, leaks and wear ○●●●●
Brakes
Check the brake pad and lining thickness ○○●○●
Check the brake lines, hoses and connections for leaks and damage ○●●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ○●●●●
Suspension: check for damage and wear ○●●●●
Check the tyre pressures; adjust if necessary ○●●●●
Exterior
Check the windscreen wipers and washing system ○●●●●
2.3 TD Diesel (23YDT)

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.3 TD Diesel (23YDT) · (1983 - 1991)

Task Oil service: every 5,000 km Every 15,000 km/12 months Every 30,000 km/24 months Every 45,000 km/36 months Every 60,000 km/48 months
Engine
Renew the engine oil ●○○○○
Renew the oil filter ●○○○○
Check for oil leaks ●●●●●
Renew the air filter ○○●○●
Check the exhaust system ○●●●●
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary ○●●●●
Transmission
Manual transmission: check for leaks ○●○●○
Manual transmission: check the oil level; top up if necessary; check for leaks ○○●○●
CV joint boots: check for damage and leaks ○●●●●
Steering
Check the steering assembly for damage, leaks and wear ○●●●●
Brakes
Check the brake pad and lining thickness ○○●○●
Check the brake lines, hoses and connections for leaks and damage ○●●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ○●●●●
Suspension: check for damage and wear ○●●●●
Check the tyre pressures; adjust if necessary ○●●●●
Exterior
Check the windscreen wipers and washing system ○●●●●
2.4i Petrol (C24NE (LU6))

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.4i Petrol (C24NE (LU6)) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
2.6i Petrol (C26NE (LY0))

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 2.6i Petrol (C26NE (LY0)) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
3.0i 24V Petrol (C30SE (LF2))

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 3.0i 24V Petrol (C30SE (LF2)) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
3.0i Petrol (30NE)

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 3.0i Petrol (30NE) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●
3.0i Petrol (C30NE)

Additional operations (specific intervals)

  • Braking system: renew the brake fluid every 12 months

Service intervals · 3.0i Petrol (C30NE) · Maintenance system

Task Every 15,000 km/12 months Every 30,000 km/24 months Every 60,000 km/48 months
Engine
Renew the engine oil ●●●
Renew the oil filter ●●●
Check for oil leaks ●●●
Renew the air filter ●●●
Renew the spark plugs ○●●
Transmission
Manual transmission: check the oil level; top up if necessary; check for leaks ○●●
CV joint boots: check for damage and leaks ●●●
Steering
Check the steering assembly for damage, leaks and wear ●●●
Brakes
Check the brake lines, hoses and connections for leaks and damage ●●●
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare ●●●
Suspension: check for damage and wear ●●●
Check the tyre pressures; adjust if necessary ●●●
Exterior
Check the windscreen wipers and washing system ●●●
Check the underbody protective coating for corrosion and damage ●●●

Repair guides

Change Car Accessory Belt Kit

Change Car Accessory Belt Kit

Easy 0h30
Change Car Air Filter

Change Car Air Filter

Very easy 0h30–0h30
Change Car Battery

Change Car Battery

Very easy 0h30–0h45
Change Car Cabin Filter

Change Car Cabin Filter

Very easy 0h30–0h45
Change Car Clutch

Change Car Clutch

Technical 3h30–5h00
Change Car Front Brake Discs and Pads

Change Car Front Brake Discs and Pads

Easy 1h30
Change Car Front Brake Pads

Change Car Front Brake Pads

Easy 1h00–1h30
Change Car Fuel Filter

Change Car Fuel Filter

Easy 0h30–0h45
Change Car Glow Plugs

Change Car Glow Plugs

Intermediate 0h30–3h00
Change Car Handbrake Cable

Change Car Handbrake Cable

Very easy 0h30
Change Car Oil Filter

Change Car Oil Filter

Easy 0h30–0h45
Change Car Particulate Filter (DPF)

Change Car Particulate Filter (DPF)

Easy 0h30
Change Car Rear Silencer

Change Car Rear Silencer

Easy 0h45–2h00
Change Car Shock Absorbers

Change Car Shock Absorbers

Easy 5h00
Change Car Spark Plugs

Change Car Spark Plugs

Easy 0h30–1h30
Change Car Timing Belt Kit

Change Car Timing Belt Kit

Very technical 2h00–6h00
Change Car Turbo

Change Car Turbo

Very technical 2h30–4h00
Change Car Water Pump

Change Car Water Pump

Easy 1h30–5h00
View all repair guides →