The 5.7L Hemi V8 has powered millions of vehicles since 2003, including the Ram 1500, Dodge Charger, Challenger, Durango, Chrysler 300, and Jeep Grand Cherokee. Known for its power, sound, and durability, the 5.7 Hemi is a legend — but it also has some notorious issues, especially with its lifter and camshaft system (“Hemi tick”).
At DK Auto & Diesel Service in Magnolia, TX, we repair and upgrade Hemi engines for work trucks, daily drivers, and performance builds.
Common 5.7 Hemi Problems & Symptoms
1. The “Hemi Tick” (Lifter & Camshaft Failure)
• Symptoms: ticking noise at idle, worsening with time, misfires under load
• Causes: lifter roller failure → wipes cam lobes
• Fixes: replace lifters and camshaft with updated parts, check pushrods, flush oil system
2. MDS (Cylinder Deactivation) Issues
• Symptoms: misfires, ticking, poor fuel economy
• Causes: MDS solenoid or lifter collapse during cylinder shutoff
• Fixes: disable MDS in tuning, replace faulty MDS components
3. Exhaust Manifold Bolt Breakage
• Symptoms: ticking noise at cold start, exhaust leak smell, loss of power
• Causes: manifold warping → bolt breakage
• Fixes: replace bolts/studs, resurface manifolds, upgrade hardware
4. Oil Consumption
• Symptoms: low oil between changes, blue smoke
• Causes: stuck piston rings, PCV system issues
• Fixes: updated piston rings, PCV service, frequent oil monitoring
5. Timing Chain / Tensioner Failures (High Mileage)
• Symptoms: rattling at startup, check engine light, poor performance
• Causes: stretched chain, worn guides/tensioner
• Fixes: full timing chain kit replacement
How DK Auto & Diesel Fixes the 5.7 Hemi
- Lifter & camshaft replacements (Hemi tick fix)
- Exhaust manifold bolt repair & upgraded hardware
- Oil consumption repairs (rings, PCV, catch can installs)
- Timing chain & tensioner replacements
- MDS tuning/disabling for longevity
- Preventive maintenance & performance packages
Schedule Your 5.7L Hemi Diagnostic in Magnolia, TX
If your Ram, Dodge, Chrysler, or Jeep 5.7 Hemi is ticking, burning oil, or losing power, bring it to DK Auto & Diesel Service.
Serving Magnolia, Montgomery, Conroe, The Woodlands, Tomball, Willis, and Spring.
Book a Hemi Diagnostic Today
FAQ About the 5.7 Hemi
Is the 5.7 Hemi reliable?
- Yes — many run 200k–300k miles, but the lifter/cam “Hemi tick” is the Achilles’ heel.
Can the Hemi tick be fixed permanently?
- Yes — with lifter/cam replacement and MDS delete if desired.
Should I delete MDS on my Ram or Charger?
- Many owners do, especially if they tow, for reliability and drivability.
