RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Lifter / Lash Adjuster: Service and Repair
HYDRAULIC LIFTERS
REMOVAL
1. Remove the air cleaner assembly and air in-let hose.
2. Remove cylinder head cover.
3. Remove rocker assembly and push rods. Identify push rods to ensure installation in original locations.
4. Remove intake manifold.
5. Remove yoke retainer and aligning yokes.
6. Slide Hydraulic Tappet Remover/Installer Tool C-4129-A through opening in cylinder head and seat tool firmly in the head of tappet.
7. Pull tappet out of bore with a twisting motion. If all tappets are to be removed, identify tappets to ensure installation in original location.
8. If the tappet or bore in cylinder block is scored, scuffed, or shows signs of sticking, ream the bore to next oversize. Replace with oversize tappet.
CLEANING
Clean tappet with a suitable solvent. Rinse in hot water and blow dry with a clean shop rag or compressed air.
INSTALLATION
1. Lubricate tappets with Mopar Engine Oil Supplement or equivalent.
2. Install tappets and push rods in their original positions. Ensure that the oil feed hole in the side of the tappet body faces up (away from the
crankshaft).
3. Install aligning yokes with ARROW toward camshaft.
4. Install yoke retainer. Tighten the bolts to 23 Nm (200 inch lbs.) torque. Install intake manifold.
5. Install rocker arms.
6. Install cylinder head cover.
7. Install air cleaner assembly and air in-let hose.
8. Start and operate engine. Warm up to normal operating temperature.
CAUTION: To prevent damage to valve mechanism, engine must not be run above fast idle until all hydraulic tappets have filled with oil and
have become quiet.