Coolant Bypass Valve: Notes
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Tools Required: Hose Clamp Pliers (J-38185).
NOTE:
This procedure applies to both auxiliary (rear heater) and standard (with out rear heater) coolant bypass valves.