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Change Car Rear Silencer

Easy 0h45–1h30 ~75–150£
Estimated time 0h45–1h30
Estimated labour cost ~75–150£
Difficulty Easy
Vehicles
508 2010-2018 23
  • 1.6 8V BlueHDi Diesel (DV6FC (BHX))
  • 1.6 8V BlueHDi Diesel (DV6FC (BHZ))
  • 1.6 8V HDi Diesel (DV6C (9HL))
  • 1.6 8V HDi Diesel (DV6C (9HR))
  • 1.6 8V HDiF Diesel (DV6C (9HD))
  • 1.6 THP Petrol (EP6CDT (5FN))
  • 1.6 THP Petrol (EP6CDT (5FV))
  • 1.6 THP Petrol (EP6FDT (5GZ))
  • 1.6 THP Petrol (EP6FDTM (5GY))
  • 1.6 VTi Petrol (EP6C (5FH))
  • 1.6 VTi Petrol (EP6C (5FS))
  • 2.0 BlueHDi Diesel (DW10FC (AHW))
  • 2.0 BlueHDi Diesel (DW10FD (AHR))
  • 2.0 BlueHDi Diesel (DW10FD (AHV))
  • 2.0 BlueHDi Diesel (DW10FD (AHX))
  • 2.0 e-HDi Diesel (DW10FC (AHS))
  • 2.0 HDiF Diesel (DW10BTED4 (RHF))
  • 2.0 HDiF Diesel (DW10BTED4 (RHR))
  • 2.0 HDiF Diesel (DW10CTED4 (RHA))
  • 2.0 HDiF Diesel (DW10CTED4 (RHD))
  • 2.0 HDiF Diesel (DW10CTED4 (RHH))
  • 2.0 RXH Hybrid4 Diesel,Electricity (DW10CTED4 (RHC))
  • 2.2 HDiF Diesel (DW12C (4HL))
508 2018-2025 8
  • 1.2 PureTech 130 Petrol (EB2ADTS (HNS))
  • 1.5 BlueHDi 130 Diesel (DV5RC (YHZ))
  • 1.6 PureTech 180 Petrol (EP6FADTXD (5GF))
  • 1.6 PureTech 225 Petrol (EP6FADTX (5GG))
  • 2.0 BlueHDi 160 Diesel (DW10FCC (EHY))
  • 2.0 BlueHDi 180 Diesel (DW10FC (EHZ))
  • Hybrid 225 (1.6 PureTech 180) Electricity,Petrol (EP6FADTXHPD (DGZ))
  • PSE Hybrid4 360 (1.6 PureTech 200) Electricity,Petrol (EP6FADTXHPR (5GB))
Remove/refit the silencer 0h45–1h30
Renew the silencer 0h45–1h30
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
Remove/refit the rear silencer 1h30–2h00
Renew the rear silencer 1h30–2h00
Repair the rear silencer* 1h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Repair the main silencer 0h30
Repair the rear silencer 0h30
Remove/refit the front silencer 1h30
Renew the front silencer 1h30
Remove/refit the main silencer 1h30
Renew the main silencer 1h30
Renew the centre silencer 1h30
Remove/refit the centre silencer 1h30

What is a Peugeot 508 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 Peugeot 508 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 Peugeot 508 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.

2 models covered

Model Year Range Engines covered Fuel
508 2010-2018 2010-2018 1.6 8V BlueHDi Diesel (DV6FC (BHX)), 1.6 8V BlueHDi Diesel (DV6FC (BHZ)), 1.6 8V HDi Diesel (DV6C (9HL)), 1.6 8V HDi Diesel (DV6C (9HR)), 1.6 8V HDiF Diesel (DV6C (9HD)), 1.6 THP Petrol (EP6CDT (5FN)), 1.6 THP Petrol (EP6CDT (5FV)), 1.6 THP Petrol (EP6FDT (5GZ)), 1.6 THP Petrol … Diesel, Electricity, Petrol
508 2018-2025 2018-2025 1.2 PureTech 130 Petrol (EB2ADTS (HNS)), 1.5 BlueHDi 130 Diesel (DV5RC (YHZ)), 1.6 PureTech 180 Petrol (EP6FADTXD (5GF)), 1.6 PureTech 180 Petrol (EP6FADTXD (5GF)), 1.6 PureTech 225 Petrol (EP6FADTX (5GG)), 2.0 BlueHDi 160 Diesel (DW10FCC (EHY)), 2.0 BlueHDi 180 Diesel (DW10FC (… Diesel, Electricity, Petrol