Wrangler 4WD V6-3.8L (2009)
Crankshaft: Procedures
MEASURING CRANKSHAFT END PLAY
1. Mount a dial indicator to front of engine with the locating probe on nose of crankshaft.
2. Move crankshaft all the way to the rear of its travel.
3. Zero the dial indicator.
4. Move crankshaft all the way to the front and read the dial indicator. See: Specifications/Engine - Specifications for end play specification.