RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN 6 (1999)
Camshaft Gear/Sprocket: Service and Repair
CAMSHAFT GEAR (CAMSHAFT REMOVED)
CAUTION: DO NOT use an oxygen/acetylene torch to heat the gear upon removal from the camshaft. This will weaken the gear-to-hub joint and
result in gear failure.
REMOVAL
1. Remove camshaft. Refer to Camshaft Removal and Installation.
2. Support gear hub and press the camshaft out of the gear.
3. Remove all burrs and smooth any rough surfaces caused by removing the gear.
INSPECTION
Inspecting Camshaft Gear Hub For Cracks
Inspecting Camshaft Gear For Cracks And Fretting
Visually inspect the camshaft gear for cracks (hub and gear), chipped or broken teeth, or excessive fretting. Inspect and replace the keyway, if
damaged.
INSTALLATION
1. If replacing the camshaft, make sure the keyway is transferred to the new camshaft.
2. Lubricate the camshaft surface with lubricate 105, or equivalent.
CAUTION: The camshaft gear will be permanently distorted if overheated. The oven temperature should never exceed 1770°C (3500°F).
3. Heat the gear in an oven at 177°C (350°F) for 45 minutes.
