Change Car Rear Silencer Land Rover Discovery

Change Car Rear Silencer

Easy 0h30–1h30 ~50–150£
Estimated time 0h30–1h30
Estimated labour cost ~50–150£
Difficulty Easy
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 0h30–2h00
Renew the rear silencer 0h30–2h00
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Remove/refit the silencer 0h30–0h45
Renew the silencer 0h30–0h45
Remove/refit the rear left silencer 0h45
Renew the rear left silencer 0h45
Remove/refit the rear right silencer 0h45
Renew the rear right silencer 0h45
Remove/refit both rear silencers 1h00
Renew both rear silencers 1h00
Repair the main silencer* 1h30
Repair the rear silencer* 1h30
Remove/refit the front silencer 0h30
Renew the front silencer 0h30

What is a Land Rover Discovery 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 Land Rover Discovery 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 Land Rover Discovery 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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View your Discovery maintenance plan (keep the Discovery token) →

5 models covered

Model Year Range Engines covered Fuel
Discovery I 1989-1999 1989-1999 2.5 TDI 200 Diesel (21L/12L/17L), 2.5 TDI 300 Diesel (19L), 2.5 TDI 300 Diesel (19L), 3.5 V8 Petrol (22D/36L/38L), 3.5 V8i Petrol (24D), 3.9 V8i Petrol (36D) Diesel, Petrol
Discovery II 1999-2005 1999-2005 2.5 TD5 Diesel (10P), 2.5 TD5 Diesel (15P/16P), 4.0 V8 Petrol (10D/12D/94D), 4.0 V8 Petrol (56D) Diesel, Petrol
Discovery III 2005-2009 2005-2009 2.7 TDV6 Diesel (276DT), 4.0 V6 Petrol (406PN), 4.4 V8 Petrol (448PN) Diesel, Petrol
Discovery IV 2009-2018 2009-2018 2.7 TDV6 Diesel (276DT), 3.0 TDV6 Diesel (306DT), 3.0 TDV6 Diesel (306DT), 3.0 TDV6 Diesel (306DT), 3.0 V6 S/C Petrol (306PS), 5.0 V8 Petrol (508PN) Diesel, Petrol
Discovery V 2017-2025 2017-2025 2.0 Si4 Petrol (PT204), 2.0 TD4 Diesel (204DTA), 2.0 TD4 Diesel (204DTD), 3.0 TDV6 Diesel (306DT), 3.0 V6 SC Petrol (306PS), D250 (3.0 MHEV) 48V (MHEV),Diesel (DT306) 48V (MHEV), Diesel, Petrol

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