Change Car Rear Silencer Toyota 4Runner
Change Car Rear Silencer
| Time Estimate | 1h30 |
|---|---|
| Cost Estimate | ~150$ |
| Difficulty | Easy |
| Vehicles |
4Runner 1995-2002 2
4Runner 2002-2009 4
|
| Repair the silencer* | 1h30 |
| Repair the front silencer* | 1h30 |
| Align the front silencer* | 0h30 |
| Repair the main silencer* | 0h30–1h30 |
| Align the main silencer* | 0h30 |
| Difficult main silencer removal* | 0h30 |
| Repair the rear silencer* | 0h30–1h30 |
| Weld a sheet-metal repair panel onto the rear silencer* | 0h45 |
| Difficult rear silencer removal* | 0h30 |
What is a Toyota 4Runner 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 Toyota 4Runner 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 Toyota 4Runner 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.
4 generations covered
| Generation | Years | Vehicles | Fuel |
|---|---|---|---|
| 4Runner 1984-1989 | 1984-1989 | 2.4 Gas (22R), 2.4 Turbo Gas (22R-TEC), 3.0 Gas (3VZ-E) | Gas |
| 4Runner 1989-1996 | 1989-1996 | 2.4 Gas (22R-E), 3.0 12V Gas (3VZ-E) | Gas |
| 4Runner 1995-2002 | 1995-2002 | 2.7 Gas (3RZ-FE), 3.4 Gas (5VZ-FE) | Gas |
| 4Runner 2002-2009 | 2002-2009 | 4.0 Gas (1GR-FE), 4.0 VVTi Gas (1GR-FE), 4.7 Gas (2UZ-FE), 4.7 Gas (2UZ-FE) | Gas |