Change Car Rear Silencer Renault Laguna

Change Car Rear Silencer

Easy 0h30–2h00 ~50–200£
Estimated time 0h30–2h00
Estimated labour cost ~50–200£
Difficulty Easy
Remove/refit the silencer 1h00–2h00
Renew the silencer 0h30–1h30
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Remove/refit the main silencer 1h00–1h30
Renew the main silencer 1h00–1h30
Repair the main silencer 0h30
Align the main silencer 0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 0h30–1h30
Renew the rear silencer 0h30–1h30
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 0h45
Renew the front silencer 0h45
Repair the front silencer 0h30
Align the front silencer 0h30
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
Weld a sheet-metal repair panel onto the rear silencer* 0h30–0h45
Remove/refit the exhaust pipe bracket 0h30
Renew the exhaust pipe bracket 0h30
Align the main silencer* 0h30
Remove/refit both centre silencers 1h00
Remove/refit the rear silencer (Estate, Hatchback) 1h30
Renew the rear silencer (Estate, Hatchback) 1h30
Remove/refit the main silencer bracket 0h30
Renew the main silencer bracket 0h30
Remove/refit the rear silencer bracket 0h30
Renew the rear silencer bracket 0h30
Remove/refit the rear silencer Coupe 1h30
Renew the rear silencer Coupe 1h30

What is a Renault Laguna 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 Laguna 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 Laguna 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.

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3 models covered

Model Year Range Engines covered Fuel
Laguna I 1994-2001 1994-2001 1.6 16V, -LPG LPG,Petrol (K4M-720 (F7)), 1.8 16V, -LPG LPG,Petrol (F4P-760 (A7)), 1.8 LPG LPG,Petrol (F3P-670), 1.8 Petrol (F3P-674 (B6)), 1.8 Petrol (F3P-678), 1.8 Petrol (F3P-724), 1.8, -LPG LPG,Petrol (F3P-720 (B6)), 2.0 16V Petrol (N7Q-700), 2.0 16V Petrol (N7Q-704 (D7)), 2.… Diesel, LPG, Petrol
Laguna II 2001-2008 2001-2008 1.6 16V 110 Petrol (K4M-711 (E7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-710 (D7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-714 (D7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-716 (57)), 1.8 16V 115, -LPG LPG,Petrol (F4P-771 (D7)), 1.8 16V 115, -LPG LPG,Petrol (F4P-775 (D7)), 1.8 16V 120, -LPG L… Diesel, LPG, Petrol
Laguna III 2007-2015 2007-2015 1.5 dCi 110 FAP Diesel (K9K-780 (37)), 1.5 dCi 110 FAP Diesel (K9K-782 (57)), 1.5 dCi 110 FAP Diesel (K9K-846 (R8/T8)), 1.6 16V 110, -LPG LPG,Petrol (K4M-824 (F8)), 2.0 16V 140, -LPG Bioethanol (E85),LPG,Petrol (M4R-726 (D7)), 2.0 16V 140, -LPG LPG,Petrol (M4R-704 (C7)), 2.0 16V… Bioethanol (E85), Diesel, LPG, Petrol

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