Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
3.7L/4.7L/5.1L Engines
| 1 - EXHAUST PIPE/CATALYTIC CONVERTER FLANGE |
| 2 - NUT |
| 3 - MUFFLER AND TAILPIPE ASSEMBLY |
| 4 - INSULATOR |
| 5 - GROUND STRAP |
All engines use a stainless steel muffler and tailpipe assembly to control exhaust noise levels and exhaust back pressure. The 3.7L/4.7L muffler and tailpipe are a one piece assembly. The 5.7L engine muffler is serviced separately.
| 1 - MUFFLER TO FRONT EXHAUST PIPE CATALYTIC CONVERTER FLANGE |
| 2 - MUFFLER |
| 3 - INSULATOR |
| 4 - MUFFLER TO TAILPIPE RESONATOR ASSEMBLY |
| 5 - TAILPIPE/RESONATOR ASSEMBLY |
The 5.7L tailpipe is serviced separately.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.