K 1500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Coolant Drain Plug: Service and Repair
1. Use a 1/4 in drive in order to open and release the drain cock.
2. If the drain cock does NOT seal when tightened, remove the drain cock, clean the drain, and replace.
3. If the body of the drain cock is broken, remove and replace with a new drain cock.
