RAM 3500 Truck 2WD L6-5.9L DSL Turbo (2008)
4. Use two fingers to press down on valve spring retainer (3) to unlock two valve keepers (2). If valve keepers will not release using finger pressure,
locate a 5/8" deep socket to the spring retainer (3). Gently tap on the socket with a small hammer to release keepers, then use two fingers and press
for keeper removal.
5. Remove valve spring retainer (3) and valve spring (2).