Rod, Piston And Connecting: Inspection: Pistons
WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
- Piston Diameter: Size: 95.8 mm (3.771 in.) Maximum wear limit 0.05 mm (.0019 in.).
- Check piston pin bores in piston for roundness. Make 3 checks at 120° intervals. Maximum out of roundness 0.05 mm (.0019 in.).
- The piston diameter should be measured approximately 15 mm (.590 in.) up from the base.
- Skirt wear should not exceed 0.1 mm (.00039 in.).