RAM 1500 Truck 2WD V8-4.7L VIN N (2002)
Timing Chain Guide: Service Precautions
PRECAUTION: TIMING CHAIN REPLACEMENT
Chain Guides and Tensioner Arms
Replace these parts if grooving in plastic face is more than 1 mm (0.039 inch) deep. If plastic face is severely grooved or melted, the tensioner
lube jet may be clogged. The tensioner should be replaced.