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Change Car Rear Silencer Nissan Primastar

Change Car Rear Silencer

Easy 0h45–1h30 ~75–150£
Estimated time 0h45–1h30
Estimated labour cost ~75–150£
Difficulty Easy
Vehicles
Primastar 2002-2016 17
  • 1.6 dCi Diesel (R9M-408 (A4))
  • 1.9 dCi 100 Diesel (F9Q-760 (U7))
  • 1.9 dCi 80 Diesel (F9Q-762 (U7))
  • 2.0 16V 120 Petrol (F4R-820 (H8))
  • 2.0 16V Petrol (F4R-720 (L7))
  • 2.0 CDTi 16V 115 Diesel (M9R-786 (M7))
  • 2.0 CDTi 16V 115 DPF Diesel (M9R-630 (A6))
  • 2.0 CDTi 16V 90 Diesel (M9R-786 (M7))
  • 2.0 CDTi 16V 90 DPF Diesel (M9R-630 (A6))
  • 2.0 CDTi Diesel (M9R-692 (F6))
  • 2.0 CDTi Diesel (M9R-692 (F6))
  • 2.0 dCi 16V 115 Diesel (M9R-780 (E7))
  • 2.0 dCi 16V 115 Diesel (M9R-782 (L7))
  • 2.0 dCi 16V 90 Diesel (M9R-780 (E7))
  • 2.0 dCi 16V 90 Diesel (M9R-782 (L7))
  • 2.5 dCi 135 Diesel (G9U-730 (B7))
  • 2.5 dCi 16V 150 FAP Diesel (G9U-630 (B6))
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 0h45–1h30
Renew the rear silencer 0h45–1h30
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Remove/refit the main silencer 0h45–1h30
Renew the main silencer 0h45–1h30
Repair the main silencer* 0h30
Repair the rear silencer* 0h30

What is a Nissan Primastar 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 Nissan Primastar 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 Nissan Primastar 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
Primastar 2002-2016 2002-2016 1.6 dCi Diesel (R9M-408 (A4)), 1.9 dCi 100 Diesel (F9Q-760 (U7)), 1.9 dCi 80 Diesel (F9Q-762 (U7)), 2.0 16V 120 Petrol (F4R-820 (H8)), 2.0 16V Petrol (F4R-720 (L7)), 2.0 CDTi 16V 115 Diesel (M9R-786 (M7)), 2.0 CDTi 16V 115 DPF Diesel (M9R-630 (A6)), 2.0 CDTi 16V 90 Diesel (M9R-7… Diesel, Petrol
Primastar 2019-2025 2019-2025 2.0 dCi 110 Diesel (M9R-712 (Z7)), 2.0 dCi 130 Diesel (M9R-712 (Z7)), 2.0 dCi 150 Diesel (M9R-712 (Z7)), 2.0 dCi 170 Diesel (M9R-712 (Z7)) Diesel