3.7L, 4.7L, & 5.7L Engines
All gasoline engines covered in this section use hydraulic lifters. No maintenance or periodic adjustment is required.
5.9L & 6.7L Diesel Engines
- Before servicing the vehicle, refer to the Precautions Section.
Remove or disconnect the following:
Negative battery cables
- Position the gear as shown and measure the clearance of the indicated valves. No adjustment is necessary if the lash falls within the following specifications:
Install or connect the following:
Fuel pump access cover