Change Car Rear Silencer Ford Explorer

Change Car Rear Silencer

Easy 1h30 ~150$

Time Estimate	1h30
Cost Estimate	~150$
Difficulty	Easy
Vehicles	Explorer 2011-2019 2 3.5 (EcoBoost) Gas (C35PDTD (99T)) 3.5 Ti-VCT Gas (998)
Repair the silencer*	1h30
Repair the front silencer*	1h30
Align the front silencer*	0h30
Repair the main silencer*	1h30
Align the main silencer*	0h30
Difficult main silencer removal*	0h30
Repair the rear silencer*	1h30
Weld a sheet-metal repair panel onto the rear silencer*	0h45
Difficult rear silencer removal*	0h30

What is a Ford Explorer 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 Ford Explorer 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 Ford Explorer 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.

5 generations covered

Generation	Years	Vehicles	Fuel
Explorer 1990-2002	1990-2002	4.0 OHV Gas (99X), 4.0 SOHC Gas (99E), 5.0 Fi Gas (99E)	Gas
Explorer 2001-2008	2001-2008	4.0 Gas (99E), 4.0, -Flex Fuel Gas (99X), 4.6 16V Gas (99W), 4.6 16V Gas (C46RSEM)	Gas
Explorer 2006-2011	2006-2011	4.0 Gas (99E), 4.6 Gas (C46USEM (998)), 4.6 Gas (C46USEM)	Gas
Explorer 2011-2019	2011-2019	2.0 (EcoBoost) Gas (C20HDTX (999)), 2.0 (EcoBoost) Gas (C20HDTX (999)), 2.3 (EcoBoost) Gas (C23HD0D (99H)), 3.5 (EcoBoost) Gas (C35PDTD (99T)), 3.5 Ti-VCT Gas (998), 3.7 V6 Ti-VCT Gas (99M)	Gas
Explorer 2020-2025	2020-2025	2.3 (EcoBoost) Gas (99H), 3.0 (EcoBoost) Gas (99C), 3.3 HEV Electricity,Gas (99W), 3.3 Ti-VCT Flex Ethanol (E85),Gas (99B), ST (3.0 EcoBoost) Gas (99C)	Electricity, Ethanol (E85), Gas