Q: How to Service and Repair a Muffler on 3.7L/4.7L/5.7L Engines on 2008 Dodge Ram 3500?
A: To fix the muffler for 3.7L/4.7L/5.7L engine, lift the car to the air and spray heat valve lubricant on the clamp nuts, and leave it for 5 minutes. After this, remove the muffler hangers, clamps, and nuts, and then remove the muffler.