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Change Car Rear Silencer

Easy 0h45–1h30 ~75–150£
Estimated time 0h45–1h30
Estimated labour cost ~75–150£
Difficulty Easy
Repair the silencer* 1h30
Remove/refit the front silencer 0h30–0h45
Renew the front silencer 0h30–0h45
Repair the front silencer 0h30
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 0h30–1h00
Renew the rear silencer 0h30–1h00
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer 0h30
Difficult rear silencer removal* 0h30
Remove/refit the rear silencer trim 0h30
Renew the rear silencer trim 0h30
Remove/refit the exhaust pipe bracket 0h30
Renew the exhaust pipe bracket 0h30
Remove/refit the silencer 0h45–1h00
Renew the silencer 0h45–1h00
Remove/refit the main silencer 0h45
Renew the main silencer 0h45
Weld a sheet-metal repair panel onto the rear silencer* 0h30–0h45
Remove/refit the centre and rear silencers 0h45
Renew the centre and rear silencers 0h45
Repair the front silencer* 1h30
Repair the main silencer* 1h30
Align the main silencer* 0h30

What is a Ford Ka 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 Ford Ka 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 Ford Ka 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
Ka 1997-2008 1997-2008 1.3 (Duratec) Petrol (A9A), 1.3 (Duratec) Petrol (A9B), 1.3 (Duratec) Petrol (BAA), 1.3 (Endura-E) Petrol (J4D), 1.3 (Endura-E) Petrol (J4K), 1.3 (Endura-E) Petrol (J4M), 1.3 (Endura-E) Petrol (J4N), 1.3 (Endura-E) Petrol (J4P), 1.3 (Endura-E) Petrol (J4S), 1.3 (Endura-E) Petrol… Petrol
Ka 2008-2015 2008-2015 1.2 (Duratec) Petrol (169A4000 (ENTT)), 1.3 TDCi (Duratorq) Diesel (169A1000 (ENTU)), 1.3 TDCi (Duratorq) Diesel (169A5000 (ENTU)) Diesel, Petrol