89 Cherokee 4.0L Lifter Replacement

1989 Jeep Cherokee XJ Pioneer Renix 4.6L I6 AW4 NP231 6" RE Lift 35"x12.5" KM2s
Lifter tick was NOT my issue, check the Piston Slap video for my fix:    • 89 Cherokee 4.0L Piston Slap & Replac...  

ENGINE TECH L2011-4 lifters were used.

If you hear a constant light ticking in your valvetrain even after the engine has warmed up, you may have stuck lifters. Sometime fresh oil or oil additives can free up sticky lifters, but If not you'll have to got through the lovely process shown above.

The Cylinder Head MUST come off to replace the lifters in the Jeep 4.0L I6. The 2.5L I4 lifters CAN be replaced with the cylinder head in place however.