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Engine Block Draining

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove left and right engine block coolant drain plugs. Remove engine block coolant heater, if equipped. Allow engine block to drain completely. Do not apply sealant to drain plugs.
  2. Reinstall engine block coolant drain plugs and engine block coolant heater, if equipped. Fill cooling system. Refer to DRAIN & REFILL PROCEDURE  procedure.
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