Change Car Rear Silencer Citroen C4 Picasso
Change Car Rear Silencer
| Estimated time | 0h45–1h30 |
|---|---|
| Estimated labour cost | ~75–150£ |
| Difficulty | Easy |
| Vehicles |
C4 Picasso 2006-2013 15
C4 Picasso 2013-2018 14
|
| 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 | 0h30 |
| Align the main silencer* | 0h30 |
| Difficult main silencer removal* | 0h30 |
| Remove/refit the rear silencer | 0h45–1h30 |
| Renew the rear silencer | 0h45–1h30 |
| Repair the rear silencer | 0h30 |
| Weld a sheet-metal repair panel onto the rear silencer* | 0h45 |
| Difficult rear silencer removal* | 0h30 |
| Repair the main silencer* | 1h30 |
| Repair the rear silencer* | 1h30 |
What is a Citroen C4 Picasso 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 C4 Picasso 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 C4 Picasso 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 |
|---|---|---|---|
| C4 Picasso 2006-2013 | 2006-2013 | 1.6 16V HDi Diesel (DV6TED4 (9HY)), 1.6 16V HDi FAP Diesel (DV6C (9HL)), 1.6 16V HDi FAP Diesel (DV6C (9HR)), 1.6 16V HDi FAP Diesel (DV6TED4 (9HZ)), 1.6 THP Petrol (EP6CDT (5FV)), 1.6 THP Petrol (EP6DT (5FT)), 1.6 THP Petrol (EP6DT (5FX)), 1.6 VTi Petrol (EP6 (5FW)), 1.6 VTi Pe… | Diesel, LPG, Petrol |
| C4 Picasso 2013-2018 | 2013-2018 | 1.2 THP 110 Petrol (EB2DTSD (HNX)), 1.2 THP 130 Petrol (EB2DTS (HNY)), 1.6 8V BlueHDi Diesel (DV6FC (BHX)), 1.6 8V BlueHDi Diesel (DV6FC (BHZ)), 1.6 8V BlueHDi Diesel (DV6FD (BHY)), 1.6 8V e-HDi Diesel (DV6C (9HC)), 1.6 e-HDi Diesel (DV6DTED (9HP)), 1.6 THP 165 Petrol (EP6FDT (5… | Diesel, Petrol |
