Change Car Rear Silencer Vauxhall Astra

Change Car Rear Silencer

Easy 0h45–1h30 ~75–150£
Estimated time 0h45–1h30
Estimated labour cost ~75–150£
Difficulty Easy
Vehicles
Astra K 2016-2022 22
  • 1.0 12V Petrol (B10XFL (LE1))
  • 1.0 12V Petrol (D10XFL (LE1))
  • 1.2 Turbo Petrol (F12SHL (LIH))
  • 1.2 Turbo Petrol (F12SHR (LIH))
  • 1.2 Turbo Petrol (F12SHT (LIH))
  • 1.4 16V Petrol (B14XE (LV7))
  • 1.4 Turbo Petrol (B14XFL (LE2+PL5))
  • 1.4 Turbo Petrol (B14XFT (LE2))
  • 1.4 Turbo Petrol (D14XFL (LE2+PL5))
  • 1.4 Turbo Petrol (D14XFT (LE2))
  • 1.4 Turbo Petrol (F14SHT (L3T))
  • 1.5 Turbo Diesel (F15DVC (LXD+PL5))
  • 1.5 Turbo Diesel (F15DVH (LXD))
  • 1.6 CDTi Diesel (B16DTE (LWQ))
  • 1.6 CDTi Diesel (B16DTH (LVL))
  • 1.6 CDTi Diesel (B16DTR (LVK))
  • 1.6 CDTi Diesel (B16DTU (LWV))
  • 1.6 CDTi Diesel (D16DTI (LXO))
  • 1.6 CDTi Diesel (D16DTR (LVK))
  • 1.6 Turbo Diesel (D16DTH (LVL))
  • 1.6 Turbo Petrol (B16SHT (LWC))
  • 1.6 Turbo Petrol (D16SHT (LWC))
Astra Mk III (F) 1992-2001 27
  • 1.4i 16V Petrol (X14XE)
  • 1.4i Petrol (14SE)
  • 1.4i Petrol (C14NZ)
  • 1.4i Petrol (X14NZ)
  • 1.4S Petrol (14NV)
  • 1.4Si Petrol (C14SE)
  • 1.6i 16V Petrol (X16XEL)
  • 1.6i Petrol (16LZ2)
  • 1.6i Petrol (16NZR)
  • 1.6i Petrol (C16NZ)
  • 1.6i Petrol (X16SZ)
  • 1.6i Petrol (X16SZR)
  • 1.6S Petrol (16SV)
  • 1.6Si Petrol (C16SE)
  • 1.7 D Diesel (17D)
  • 1.7 D Diesel (17DR)
  • 1.7 TD Diesel (TC4EE1 (17DT))
  • 1.8i 16V Petrol (C18SEL)
  • 1.8i 16V Petrol (C18XE)
  • 1.8i 16V Petrol (C18XEL)
  • 1.8i 16V Petrol (X18XE)
  • 1.8i 16V Petrol (X18XE1)
  • 1.8i Petrol (C18NZ)
  • 2.0i 16V Petrol (C20XE)
  • 2.0i 16V Petrol (X20XEV)
  • 2.0i Petrol (20SEH)
  • 2.0i Petrol (C20NE)
Astra Mk IV (G) 1998-2007 26
  • 1.2 16V Petrol (X12XE)
  • 1.2 16V Petrol (Z12XE)
  • 1.4 16V Petrol (X14XE)
  • 1.4 16V Petrol (Z14XE)
  • 1.4 16V Petrol (Z14XEP)
  • 1.6 16V CNG CNG,Petrol (Z16YNG)
  • 1.6 16V Petrol (X16SZR)
  • 1.6 16V Petrol (X16XEL)
  • 1.6 16V Petrol (Z16XEP)
  • 1.6 16V, -LPG LPG,Petrol (Z16XE)
  • 1.6, -LPG LPG,Petrol (Z16SE)
  • 1.7 CDTi 16V Diesel (Z17DTL)
  • 1.7 DTi 16V Diesel (Y17DT)
  • 1.7 DTi Diesel (X17DTL)
  • 1.8 16V Petrol (X18XE1)
  • 1.8 16V Petrol (Z18XEL)
  • 1.8 16V, -LPG LPG,Petrol (Z18XE)
  • 2.0 16V OPC Petrol (X20XER)
  • 2.0 16V Petrol (X20XEV)
  • 2.0 16V Turbo OPC Petrol (Z20LET)
  • 2.0 16V Turbo Petrol (Z20LET)
  • 2.0 Di 16V Diesel (X20DTL)
  • 2.0 Di 16V Diesel (Y20DTL)
  • 2.0 DTi 16V Diesel (Y20DTH)
  • 2.2 16V Petrol (Z22SE)
  • 2.2 DTi 16V Diesel (Y22DTR)
Astra Mk V (H) 2004-2012 25
  • 1.2 16V Petrol (Z12XEP)
  • 1.3 CDTi 16V (DPF) Diesel (Z13DTH)
  • 1.4 16V Petrol (Z14XEL)
  • 1.4 16V, -LPG LPG,Petrol (Z14XEP)
  • 1.6 16V Petrol (A16XER (LDE))
  • 1.6 16V Petrol (Z16LET)
  • 1.6 16V Petrol (Z16XE1)
  • 1.6 16V Petrol (Z16XEP)
  • 1.6 16V, -LPG LPG,Petrol (Z16XER)
  • 1.7 CDTi Diesel (A17DTJ (LPV))
  • 1.7 CDTi Diesel (A17DTR)
  • 1.7 CDTi Diesel (Z17DTH)
  • 1.7 CDTi Diesel (Z17DTJ)
  • 1.7 CDTi Diesel (Z17DTL)
  • 1.7 CDTi Diesel (Z17DTR)
  • 1.8 16V Petrol (A18XER (2H0))
  • 1.8 16V Petrol (Z18XE)
  • 1.8 16V Petrol (Z18XER)
  • 1.9 CDTi 16V Diesel (Z19DTH)
  • 1.9 CDTi 16V Diesel (Z19DTJ)
  • 1.9 CDTi 8V Diesel (Z19DT)
  • 1.9 CDTi 8V Diesel (Z19DTL)
  • 2.0 16V Turbo (OPC) Petrol (Z20LEH)
  • 2.0 16V Turbo Petrol (Z20LEL)
  • 2.0 16V Turbo Petrol (Z20LER)
Astra Mk VI (J) 2010-2018 33
  • 1.3 CDTi Diesel (A13DTE (LSF))
  • 1.4 16V Turbo Petrol (A14NEI (LUV))
  • 1.4 16V Turbo Petrol (A14NEL (LUJ))
  • 1.4 16V Turbo Petrol (B14XER (LDD))
  • 1.4 16V Turbo, -LPG LPG,Petrol (A14NET (LUJ))
  • 1.4 16V Turbo, -LPG LPG,Petrol (B14NEL (LUJ))
  • 1.4 16V Turbo, -LPG LPG,Petrol (B14NET (LUJ))
  • 1.4 16V, -LPG LPG,Petrol (A14XEL (LDD))
  • 1.4 16V, -LPG LPG,Petrol (A14XER (LDD))
  • 1.6 16V Petrol (A16XER (LDE))
  • 1.6 16V Petrol (B16XER (LDE))
  • 1.6 16V Turbo Petrol (A16LET (LLU))
  • 1.6 16V Turbo Petrol (A16XHT (LVP))
  • 1.6 CDTi Diesel (B16DTH (LVL))
  • 1.6 CDTi Diesel (B16DTL (LVM))
  • 1.6 GTC Petrol (B16SHT (LWC))
  • 1.6 SIDI Petrol (A16SHT (LWC))
  • 1.6 SIDI Petrol (B16SHL (LWC+PL5))
  • 1.6 SIDI Petrol (B16SHT (LWC))
  • 1.7 CDTi Diesel (A17DTC (LUE))
  • 1.7 CDTi Diesel (A17DTE (LKR))
  • 1.7 CDTi Diesel (A17DTF (LKR+PL1))
  • 1.7 CDTi Diesel (A17DTJ (LPV))
  • 1.7 CDTi Diesel (A17DTN (LUE))
  • 1.7 CDTi Diesel (A17DTR (LPL))
  • 1.7 CDTi Diesel (A17DTS (LUD))
  • 1.8 16V Petrol (A18XER (2H0))
  • 1.8 16V Petrol (A18XER (2H0+PL5))
  • 2.0 16V Turbo (OPC) Petrol (A20NFT (LHU))
  • 2.0 16V Turbo (OPC) Petrol (B20NFT (LHU))
  • 2.0 CDTi (GTC) Diesel (A20DTH (LBS))
  • 2.0 CDTi Diesel (A20DTH (LBS))
  • 2.0 CDTi Diesel (A20DTR (LBY))
Remove/refit the silencer 0h45–1h30
Renew the silencer 0h45–1h30
Repair the silencer* 1h30
Repair the front silencer* 0h30–1h30
Align the front silencer* 0h30
Repair the main silencer* 0h30–1h30
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* 0h45–1h30
Weld a sheet-metal repair panel onto the rear silencer* 0h30–0h45
Difficult rear silencer removal* 0h30–0h30
Remove/refit the main silencer 0h45–1h30
Renew the main silencer 0h45–1h30
Remove/refit the centre and rear silencers 1h30
Renew the centre and rear silencers 1h30
Remove/refit the rear silencer bracket 0h30–1h30
Renew the rear silencer bracket 0h30–1h30
Remove/refit the front silencer 0h45–2h00
Renew the front silencer 1h00–2h00
Repair the front silencer 0h30
Align the front silencer 0h30–0h30
Repair the main silencer 0h30
Align the main silencer 0h30–0h30
Repair the rear silencer 0h30–0h45
Weld a sheet-metal repair panel onto the rear silencer 0h30–0h45
Difficult rear silencer removal 0h30–0h30
Remove/refit the rear silencer trim 0h30–0h30
Renew the rear silencer trim 0h30–0h30
Remove/refit the exhaust pipe bracket 0h30
Renew the exhaust pipe bracket 0h30
Remove/refit the rear left silencer 0h30
Renew the rear left silencer 0h30
Remove/refit the rear right silencer 0h30
Renew the rear right silencer 0h30
Renew the centre silencer 0h45
Remove/refit the centre silencer 0h45

What is a Vauxhall Astra 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 Vauxhall Astra 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 Vauxhall Astra 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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5 models covered

Model Year Range Engines covered Fuel
Astra K 2016-2022 2016-2022 1.0 12V Petrol (B10XFL (LE1)), 1.0 12V Petrol (D10XFL (LE1)), 1.2 Turbo Petrol (F12SHL (LIH)), 1.2 Turbo Petrol (F12SHR (LIH)), 1.2 Turbo Petrol (F12SHT (LIH)), 1.4 16V Petrol (B14XE (LV7)), 1.4 Turbo Petrol (B14XFL (LE2+PL5)), 1.4 Turbo Petrol (B14XFT (LE2)), 1.4 Turbo Petrol (… Diesel, Petrol
Astra Mk III (F) 1992-2001 1992-2001 1.4i 16V Petrol (X14XE), 1.4i Petrol (14SE), 1.4i Petrol (C14NZ), 1.4i Petrol (X14NZ), 1.4S Petrol (14NV), 1.4Si Petrol (C14SE), 1.6i 16V Petrol (X16XEL), 1.6i Petrol (16LZ2), 1.6i Petrol (16NZR), 1.6i Petrol (C16NZ), 1.6i Petrol (X16SZ), 1.6i Petrol (X16SZR), 1.6S Petrol (16SV)… Diesel, Petrol
Astra Mk IV (G) 1998-2007 1998-2007 1.2 16V Petrol (X12XE), 1.2 16V Petrol (Z12XE), 1.4 16V Petrol (X14XE), 1.4 16V Petrol (Z14XE), 1.4 16V Petrol (Z14XEP), 1.6 16V CNG CNG,Petrol (Z16YNG), 1.6 16V Petrol (X16SZR), 1.6 16V Petrol (X16XEL), 1.6 16V Petrol (Z16XEP), 1.6 16V, -LPG LPG,Petrol (Z16XE), 1.6, -LPG LPG,Pe… CNG, Diesel, LPG, Petrol
Astra Mk V (H) 2004-2012 2004-2012 1.2 16V Petrol (Z12XEP), 1.3 CDTi 16V (DPF) Diesel (Z13DTH), 1.4 16V Petrol (Z14XEL), 1.4 16V, -LPG LPG,Petrol (Z14XEP), 1.6 16V Petrol (A16LET (LLU)), 1.6 16V Petrol (A16XER (LDE)), 1.6 16V Petrol (Z16LET), 1.6 16V Petrol (Z16XE1), 1.6 16V Petrol (Z16XEP), 1.6 16V, -LPG LPG,Pet… Diesel, LPG, Petrol
Astra Mk VI (J) 2010-2018 2010-2018 1.3 CDTi Diesel (A13DTE (LSF)), 1.4 16V Turbo Petrol (A14NEI (LUV)), 1.4 16V Turbo Petrol (A14NEL (LUJ)), 1.4 16V Turbo Petrol (B14XER (LDD)), 1.4 16V Turbo, -LPG LPG,Petrol (A14NET (LUJ)), 1.4 16V Turbo, -LPG LPG,Petrol (B14NEL (LUJ)), 1.4 16V Turbo, -LPG LPG,Petrol (B14NET (LU… Diesel, LPG, Petrol

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