Change Car Rear Silencer Alfa Romeo 156
Change Car Rear Silencer
| Estimated time | 1h00 |
|---|---|
| Estimated labour cost | ~100£ |
| Difficulty | Easy |
| Remove/refit the silencer | 1h00 |
| Renew the silencer | 1h00 |
| Remove/refit both silencers | 0h30–1h00 |
| Renew both silencers | 0h30–1h00 |
| 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 both rear silencers | 0h30–1h00 |
| Renew both rear silencers | 0h30–1h00 |
| Repair the rear silencer | 0h30 |
| Weld a sheet-metal repair panel onto the rear silencer* | 0h45 |
| Difficult rear silencer removal* | 0h30 |
| Remove/refit the main silencer | 0h30 |
| Remove/refit the centre silencer (follow-up work) | 0h30 |
| Renew the main silencer | 0h30 |
| Renew the centre silencer (follow-up work) | 0h30 |
| Renew the left centre silencer | 0h30 |
| Renew the right centre silencer | 0h30 |
| Remove/refit both centre silencers | 0h30 |
| Renew both centre silencers | 0h30 |
| Remove/refit the centre and rear silencers | 0h30 |
| Remove/refit the left centre silencer | 0h30 |
| Remove/refit the right centre silencer | 0h30 |
| Renew the centre and rear silencers | 0h30 |
| Remove/refit the rear silencer | 0h30–1h00 |
| Renew the rear silencer | 0h30–1h00 |
| Difficult rear silencer removal | 0h30 |
| Remove/refit the rear silencer trim | 0h30 |
| Renew the rear silencer trim | 0h30 |
| Remove/refit both rear silencer trims | 0h30 |
| Renew both rear silencer trims | 0h30 |
| Remove/refit the exhaust pipe bracket | 1h00 |
| Renew the exhaust pipe bracket | 1h00 |
| Repair the main silencer* | 0h30 |
| Repair the rear silencer* | 0h30 |
| Remove/refit the rear silencer bracket | 0h30 |
| Renew the rear silencer bracket | 0h30 |
What is a Alfa Romeo 156 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 Alfa Romeo 156 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 Alfa Romeo 156 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.