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Change Car Rear Silencer Renault Thalia

Change Car Rear Silencer

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

What is a Renault Thalia 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 Renault Thalia 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 Renault Thalia 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
Thalia I 1999-2010 1999-2010 1.4 8V Petrol (K7J-700 (A7)), 1.5 dCi 70 Diesel (K9K-714 (V7)), 1.5 dCi 80 Diesel (K9K-706 (B7)), 1.6 16V Petrol (K4M-734) Diesel, Petrol
Thalia II 2008-2014 2008-2014 1.5 dCi Diesel (K9K-718), 1.5 dCi Diesel (K9K-740) Diesel