Change Car Rear Silencer Citroen Relay III

Change Car Rear Silencer

Easy 0h45–1h30 ~75–150£
Estimated time 0h45–1h30
Estimated labour cost ~75–150£
Difficulty Easy
Vehicles
Relay III 2006-2025 21
  • 2.0 BlueHDi Diesel (DW10FUC (AHP))
  • 2.0 BlueHDi Diesel (DW10FUD (AHN))
  • 2.0 BlueHDi Diesel (DW10FUE (AHM))
  • 2.2 BlueHDi 120 Diesel (DW12RUE (4HA))
  • 2.2 BlueHDi 120 Diesel (DW12RUE (4HK))
  • 2.2 BlueHDi 140 Diesel (DW12RUD (4HB))
  • 2.2 BlueHDi 140 Diesel (DW12RUD (4HJ))
  • 2.2 BlueHDi 165 Diesel (DW12RUC (4HC))
  • 2.2 BlueHDi 165 Diesel (DW12RUC (4HH))
  • 2.2 HDi Diesel (P22DTE (4HU))
  • 2.2 HDi Diesel (P22DTE (4HV))
  • 2.2 HDi Diesel (P22DTE+ (4HM))
  • 2.2 HDi FAP Diesel (PUMA-C (4HG))
  • 2.2 HDi FAP Diesel (PUMA-C (4HH))
  • 2.2 HDi FAP Diesel (PUMA-C (4HJ))
  • 3.0 HDi Diesel (F1CE3481DM)
  • 3.0 HDi FAP Diesel (F1CE0481D)
  • 3.0 HDi FAP Diesel (F1CE0481E)
  • 3.0 HDi FAP Diesel (F1CE0481E)
  • 3.0 HDi FAP Diesel (F1CE3481E)
  • 3.0 HDi FAP Diesel (F1CE3481N)
Remove/refit the silencer 0h45–1h00
Renew the silencer 0h45–1h00
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Repair the main silencer* 1h30
Align the main silencer* 0h30
Difficult main silencer removal* 0h30
Repair the rear silencer* 1h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Remove/refit the main silencer 0h45
Renew the main silencer 0h45
Remove/refit the rear silencer 0h45
Renew the rear silencer 0h45
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer 0h45

What is a Citroen Relay III 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 Citroen Relay III 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 Citroen Relay III 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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View the service schedule for your Relay III →