Change Car Rear Silencer Opel Omega

Change Car Rear Silencer

Easy 0h45–2h00 ~75–200£
Estimated time 0h45–2h00
Estimated labour cost ~75–200£
Difficulty Easy
Vehicles
Omega A 1985-1994 13
  • 1.8i Petrol (18SEH)
  • 1.8N Petrol (18NV)
  • 1.8S Petrol (18SV)
  • 2.0i Petrol (20SE)
  • 2.0i Petrol (C20NE (LE4))
  • 2.3 D Diesel (23YD (LW7))
  • 2.3 TD Diesel (23DTR (LP6))
  • 2.3 TD Diesel (23YDT)
  • 2.4i Petrol (C24NE (LU6))
  • 2.6i Petrol (C26NE (LY0))
  • 3.0i 24V Petrol (C30SE (LF2))
  • 3.0i Petrol (30NE)
  • 3.0i Petrol (C30NE)
Omega B 1994-2004 12
  • 2.0 16V Petrol (X20XEV (L34))
  • 2.0 Petrol (20SE)
  • 2.0 Petrol (X20SE (L96))
  • 2.2 16V Petrol (Y22XE (LA9))
  • 2.2 16V Petrol (Z22XE (LA9))
  • 2.2 DTi 16V Diesel (Y22DTH (LL9))
  • 2.5 DTi 24V Diesel (Y25DT (L14))
  • 2.5 TD Diesel (25DT (L93))
  • 2.5 V6 Petrol (X25XE (L80))
  • 2.6 V6 Petrol (Y26SE (LY9))
  • 3.0 V6 Petrol (X30XE (L81))
  • 3.2 V6 Petrol (Y32SE (LA3))
Repair the silencer* 1h30
Remove/refit the front silencer 1h30–2h30
Renew the front silencer 1h30–3h00
Repair the front silencer 0h30–0h45
Align the front silencer 0h30–0h30
Remove/refit the main silencer 1h30–2h00
Renew the main silencer 1h30–2h30
Repair the main silencer 0h30
Align the main silencer 0h30–0h45
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 1h00–1h30
Renew the rear silencer 1h00–2h00
Repair the rear silencer 0h30–0h45
Weld a sheet-metal repair panel onto the rear silencer* 0h30
Difficult rear silencer removal 0h30–0h30
Remove/refit the rear silencer trim 0h30–0h30
Renew the rear silencer trim 0h30–0h30
Remove/refit the exhaust pipe bracket 0h30
Renew the exhaust pipe bracket 0h30
Remove/refit both rear silencer trims 0h30
Renew both rear silencer trims 0h30
Renew the left centre silencer 1h30
Remove/refit both centre silencers 2h00
Renew both centre silencers 2h00
Remove/refit the left centre silencer 1h30
Remove/refit the silencer 0h45–2h00
Renew the silencer 0h45–1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Align the main silencer* 0h30
Weld a sheet-metal repair panel onto the rear silencer 0h30–0h45
Remove/refit the front silencer (follow-up work) 1h30
Renew the front left silencer 1h30
Remove/refit the front left silencer 1h30
Renew the front right silencer 1h30
Remove/refit the front right silencer 1h30
Renew both front silencers 2h30
Remove/refit both front silencers 2h30
Renew the right centre silencer 1h30
Remove/refit the right centre silencer 1h30

What is a Opel Omega rear silencer?

The rear silencer (also called the back box or rear muffler) reduces exhaust noise to an acceptable level. It is located at the end of the exhaust line, after the catalytic converter, particulate filter (if fitted), and sometimes an intermediate silencer.

When should you change the Opel Omega rear silencer?

No periodic replacement interval is specified. Carry out regular visual inspections for corrosion, holes, and deteriorated mounting rubbers. Signs that replacement is needed: louder exhaust noise, rattling from loose baffles, visible rust holes, exhaust fumes entering the cabin, or failure at the MOT/roadworthiness test.

Is it difficult to change the Opel Omega rear silencer?

Difficulty level 2/5: technically easy but may require effort if bolts and clamps are rusted. Key steps: raise the vehicle, apply penetrating oil to clamp bolts, remove the clamp connecting the silencer to the intermediate pipe, remove the mounting rubber hangers, fit the new silencer with new gasket/clamp, reattach mounting rubbers, check for leaks with engine running.

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2 models covered

Model Year Range Engines covered Fuel
Omega A 1985-1994 1985-1994 1.8 Petrol (E18NVR), 1.8i Petrol (18SEH), 1.8N Petrol (18NV), 1.8S Petrol (18SV), 2.0 Petrol (C20NEJ (L96)), 2.0i Petrol (20SE), 2.0i Petrol (C20NE (LE4)), 2.3 D Diesel (23YD (LW7)), 2.3 TD Diesel (23DTR (LP6)), 2.3 TD Diesel (23YDT), 2.4i Petrol (C24NE (LU6)), 2.6i Petrol (C26N… Diesel, Petrol
Omega B 1994-2004 1994-2004 2.0 16V Petrol (X20XEV (L34)), 2.0 Petrol (20SE), 2.0 Petrol (X20SE (L96)), 2.2 16V Petrol (Y22XE (LA9)), 2.2 16V Petrol (Z22XE (LA9)), 2.2 DTi 16V Diesel (Y22DTH (LL9)), 2.5 DTi 24V Diesel (Y25DT (L14)), 2.5 TD Diesel (25DT (L93)), 2.5 V6 Petrol (X25XE (L80)), 2.6 V6 Petrol (Y2… Diesel, Petrol

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