6.7 Cummins Exhaust Manifold Replacement Tips and Tricks

If you've started hearing that annoying "tink-tink-tink" sound under the hood when your engine is cold, it's probably time to tackle a 6.7 cummins exhaust manifold replacement. It's one of those jobs that most Ram owners eventually face, usually somewhere between the 100,000 and 150,000-mile mark. While it's not exactly a fun Saturday afternoon project, it is one of the most rewarding fixes you can do to keep your truck running right and sounding like a diesel should, rather than a leaky sewing machine. ...

February 24, 2026 · 6 min · Bessette Davidson