Change Car Rear Silencer Audi A4

Change Car Rear Silencer

Easy 0h45–2h30 ~75–250£
Estimated time 0h45–2h30
Estimated labour cost ~75–250£
Difficulty Easy
Vehicles
A4 1995-2002 37
  • 1.6 Petrol (ADP)
  • 1.6 Petrol (AHL)
  • 1.6 Petrol (ALZ)
  • 1.6 Petrol (ANA)
  • 1.8 20V Petrol (ADR)
  • 1.8 20V Petrol (AFY)
  • 1.8 20V Petrol (APT)
  • 1.8 20V Petrol (ARG)
  • 1.8 20V Petrol (AVV)
  • 1.8 20V Turbo Petrol (AEB)
  • 1.8 20V Turbo Petrol (AJL)
  • 1.8 20V Turbo Petrol (ANB)
  • 1.8 20V Turbo Petrol (APU)
  • 1.8 20V Turbo Petrol (ARK)
  • 1.8 20V Turbo Petrol (AWT)
  • 1.9 TDI Diesel (1Z)
  • 1.9 TDI Diesel (AFF)
  • 1.9 TDI Diesel (AFN)
  • 1.9 TDI Diesel (AHH)
  • 1.9 TDI Diesel (AHU)
  • 1.9 TDI Diesel (ATJ)
  • 1.9 TDI Diesel (AVG)
  • 2.4 V6 30V Petrol (AGA)
  • 2.4 V6 30V Petrol (ALF)
  • 2.4 V6 30V Petrol (AML)
  • 2.4 V6 30V Petrol (AMM)
  • 2.4 V6 30V Petrol (APS)
  • 2.4 V6 30V Petrol (ARJ)
  • 2.6 V6 Petrol (ABC)
  • 2.8 V6 30V Petrol (ACK)
  • 2.8 V6 30V Petrol (ALG)
  • 2.8 V6 30V Petrol (AMX)
  • 2.8 V6 30V Petrol (APR)
  • 2.8 V6 30V Petrol (AQD)
  • RS4 (2.7 V6) Petrol (ASJ)
  • RS4 (2.7 V6) Petrol (AZR)
  • S4 (2.7 V6) Petrol (AZB)
A4 2001-2005 24
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo Petrol (AMB)
  • 1.8 20V Turbo Petrol (AVJ)
  • 1.8 20V Turbo Petrol (BEX)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 1.9 TDI Diesel (AVB)
  • 1.9 TDI Diesel (AVF)
  • 1.9 TDI Diesel (AWX)
  • 1.9 TDI Diesel (BKE)
  • 2.0 20V, -Cabriolet Petrol (ALT)
  • 2.0 FSi Petrol (AWA)
  • 2.4 V6 30V, -Cabriolet Petrol (AMM)
  • 2.4 V6 30V, -Cabriolet Petrol (BDV)
  • 2.5 TDI V6 Diesel (AKE)
  • 2.5 TDI V6 Diesel (AYM)
  • 2.5 TDI V6 Diesel (BAU)
  • 2.5 TDI V6 Diesel (BDH)
  • 2.5 TDI V6, -Cabriolet Diesel (BCZ)
  • 2.5 TDI V6, -Cabriolet Diesel (BDG)
  • 2.5 TDI V6, -Cabriolet Diesel (BFC)
  • 3.0 V6 30V Petrol (AVK)
  • 3.0 V6 30V, -Cabriolet Petrol (ASN)
  • 3.0 V6 30V, -Cabriolet Petrol (BBJ)
  • S4 (4.2 V8), -Cabriolet Petrol (BBK)
A4 2005-2009 31
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 1.9 TDI Diesel (BKE)
  • 1.9 TDI DPF Diesel (BRB)
  • 2.0 20V Petrol (ALT)
  • 2.0 TDI 8V DPF Cabriolet Diesel (BRC)
  • 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW)
  • 2.0 TDI Diesel (BLB)
  • 2.0 TDI Diesel (BNA)
  • 2.0 TDI Diesel (BVG)
  • 2.0 TDI DPF Diesel (BRD)
  • 2.0 TDI DPF Diesel (BRE)
  • 2.0 TDI DPF Diesel (BRF)
  • 2.0 TDI DPF Diesel (BVA)
  • 2.0 TDI DPF Diesel (BVF)
  • 2.0 TFSI Petrol (BGB)
  • 2.0 TFSI Petrol (BPG)
  • 2.0 TFSI Petrol (BPJ)
  • 2.0 TFSI Petrol (BUL)
  • 2.0 TFSI, -Cabriolet Petrol (BWE)
  • 2.0 TFSI, -Cabriolet Petrol (BWT)
  • 2.5 TDI V6 Diesel (BDG)
  • 2.7 TDI V6 DPF Diesel (BSG)
  • 2.7 TDI V6 DPF, -Cabriolet Diesel (BPP)
  • 3.0 TDI V6, -Cabriolet Diesel (ASB)
  • 3.0 TDI V6, -Cabriolet Diesel (BKN)
  • 3.0 V6 30V Petrol (BBJ)
  • 3.2 V6 FSi Petrol (BKH)
  • 3.2 V6 FSi, -Cabriolet Petrol (AUK)
  • RS4 (4.2 V8) Petrol (BNS)
  • S4 (4.2 V8) Petrol (BBK)
A4 2007-2015 43
  • 1.8 TFSI Petrol (CABA)
  • 1.8 TFSI Petrol (CABB)
  • 1.8 TFSI Petrol (CDHA)
  • 1.8 TFSI Petrol (CDHB)
  • 1.8 TFSI Petrol (CJEB)
  • 2.0 TDI Diesel (CAGA)
  • 2.0 TDI Diesel (CAGB)
  • 2.0 TDI Diesel (CAGC)
  • 2.0 TDI Diesel (CAHA)
  • 2.0 TDI Diesel (CAHB)
  • 2.0 TDI Diesel (CGLC)
  • 2.0 TDI Diesel (CGLD)
  • 2.0 TDI Diesel (CJCA)
  • 2.0 TDI Diesel (CJCB)
  • 2.0 TDI Diesel (CJCC)
  • 2.0 TDI Diesel (CJCD)
  • 2.0 TDI Diesel (CNHA)
  • 2.0 TDI Diesel (CNHC)
  • 2.0 TDI Diesel (CSUA)
  • 2.0 TDI Diesel (CSUB)
  • 2.0 TFSI Bioethanol (E85),Petrol (CFKA)
  • 2.0 TFSI Petrol (CDNB)
  • 2.0 TFSI Petrol (CDNC)
  • 2.0 TFSI Petrol (CNCD)
  • 2.7 V6 TDI Diesel (CAMA)
  • 2.7 V6 TDI Diesel (CAMB)
  • 2.7 V6 TDI Diesel (CGKA)
  • 2.7 V6 TDI Diesel (CGKB)
  • 3.0 TDI Diesel (CAPA)
  • 3.0 TDI Diesel (CCLA)
  • 3.0 TDI Diesel (CCWA)
  • 3.0 TDI Diesel (CCWB)
  • 3.0 TDI Diesel (CDUC)
  • 3.0 TDI Diesel (CKVB)
  • 3.0 TDI Diesel (CKVC)
  • 3.0 TDI Diesel (CLAB)
  • 3.0 TFSI Petrol (CMUA)
  • 3.0 TFSI Petrol (CRED)
  • 3.2 V6 FSi Petrol (CALA)
  • RS4 (4.2 TFSI) Petrol (CFSA)
  • S4 (3.0 TFSI) Petrol (CAKA)
  • S4 (3.0 TFSI) Petrol (CGWC)
  • S4 (3.0 TFSI) Petrol (CREC)
A4 2016-2025 30
  • 1.4 TFSI Petrol (CVNA)
  • 2.0 G-tron CNG (CVLA)
  • 2.0 TDI Diesel (DETA)
  • 2.0 TDI Diesel (DETB)
  • 2.0 TDI Diesel (DEUA)
  • 2.0 TDI Diesel (DEUB)
  • 2.0 TDI Diesel (DEUC)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA)
  • 2.0 TFSI Petrol (CVKB)
  • 2.0 TFSI Petrol (CYRB)
  • 2.0 TFSI Petrol (CYRC)
  • 3.0 TDI Diesel (CRTC)
  • 3.0 TDI Diesel (CSWB)
  • 3.0 TDI Diesel (DCPC)
  • 30 TDI MHEV 48V (MHEV),Diesel (DTNB)
  • 30 TDI MHEV Diesel (DEZB)
  • 35 TDI MHEV 48V (MHEV),Diesel (DTNA)
  • 35 TDI MHEV Diesel (DEZE)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DLVB)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DMSB)
  • 40 TDI MHEV Diesel (DTPA)
  • 40 TFSI MHEV 48V (MHEV),Petrol (DLVA)
  • 40 TFSI, MHEV 48V (MHEV),Petrol (DMSA)
  • 45 TDI Diesel (DCPE)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DKNA)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DMTA)
  • RS4 (2.9 FSi) Petrol (DECA)
  • S4 (3.0 TDI) 48V (MHEV),Diesel (DEWB)
  • S4 (3.0 TFSI) Petrol (CWGD)
Remove/refit the silencer 0h45–2h30
Renew the silencer 0h45–2h30
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Remove/refit the main silencer 0h45–2h00
Renew the main silencer 0h45–2h00
Repair the main silencer 0h30
Align the main silencer 0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 0h45–2h00
Renew the rear silencer 0h45–2h00
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
Weld a sheet-metal repair panel onto the rear silencer* 0h30–0h45
Remove/refit both rear silencer trims 0h30
Renew both rear silencer trims 0h30
Remove/refit both centre silencers 1h30
Renew both centre silencers 1h30
Repair the main silencer* 0h30–1h30
Align the main silencer* 0h30–0h30
Repair the rear silencer* 0h30–1h30
Difficult rear silencer removal* 0h30
Remove/refit the rear left silencer 0h45–1h30
Renew the rear left silencer 0h45–1h30
Remove/refit the rear right silencer 0h45–1h30
Renew the rear right silencer 0h45–1h30
Remove/refit both rear silencers 1h00–2h00
Renew both rear silencers 1h00–2h00
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
Renew the centre silencer 1h30
Remove/refit the centre silencer 1h30
Remove/refit the front silencer 1h00–1h30
Renew the front silencer 1h00–1h30
Remove/refit the left silencer 1h30
Renew the left silencer 1h30
Remove/refit the right silencer 2h00
Renew the right silencer 2h00
Remove/refit the front silencer Both sides 3h00
Remove/refit the front silencer Right-hand side 2h00
Remove/refit the front silencer Left-hand side 1h30
Renew the front silencer Right-hand side 2h00
Renew the front silencer Left-hand side 1h30
Renew the front silencer Both sides 3h00

What is a Audi A4 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 Audi A4 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 Audi A4 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 A4 maintenance plan (keep the A4 token) →

5 models covered

Model Year Range Engines covered Fuel
A4 1995-2002 1995-2002 1.6 Petrol (ADP), 1.6 Petrol (AHL), 1.6 Petrol (ALZ), 1.6 Petrol (ANA), 1.8 20V Petrol (ADR), 1.8 20V Petrol (AFY), 1.8 20V Petrol (APT), 1.8 20V Petrol (ARG), 1.8 20V Petrol (AVV), 1.8 20V Turbo Petrol (AEB), 1.8 20V Turbo Petrol (AJL), 1.8 20V Turbo Petrol (ANB), 1.8 20V Turbo… Diesel, Petrol
A4 2001-2005 2001-2005 1.6 8V Petrol (ALZ), 1.8 20V Turbo Petrol (AMB), 1.8 20V Turbo Petrol (AVJ), 1.8 20V Turbo Petrol (BEX), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (AVB), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AWX), 1.9 TDI Diesel (BKE), 2.0 20V, -Cabriolet Petrol (ALT), 2.0 FSi Petr… Diesel, Petrol
A4 2005-2009 2005-2009 1.6 8V Petrol (ALZ), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (BKE), 1.9 TDI DPF Diesel (BRB), 2.0 20V Petrol (ALT), 2.0 TDI 8V DPF Cabriolet Diesel (BRC), 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW), 2.0 TDI Diesel (BLB), 2.0 TDI Diesel (BNA), 2.0 TDI Diesel (BVG), 2.… Diesel, Petrol
A4 2007-2015 2007-2015 1.8 TFSI Petrol (CABA), 1.8 TFSI Petrol (CABB), 1.8 TFSI Petrol (CDHA), 1.8 TFSI Petrol (CDHB), 1.8 TFSI Petrol (CJEB), 2.0 TDI Diesel (CAGA), 2.0 TDI Diesel (CAGB), 2.0 TDI Diesel (CAGC), 2.0 TDI Diesel (CAHA), 2.0 TDI Diesel (CAHB), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD)… Bioethanol (E85), Diesel, Petrol
A4 2016-2025 2016-2025 1.4 TFSI Petrol (CVNA), 2.0 G-tron CNG (CVLA), 2.0 TDI Diesel (DETA), 2.0 TDI Diesel (DETB), 2.0 TDI Diesel (DEUA), 2.0 TDI Diesel (DEUB), 2.0 TDI Diesel (DEUC), 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA), 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA), 2.0 TFSI Petrol (CVKB), 2.0 TFSI Petr… 48V (MHEV), CNG, Diesel, Petrol

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View the service schedule for your A4 →