Powder Method
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Thoroughly clean the suspected leak area with solvent.
- Apply an aerosol type powder, such as foot powder, to the suspected leak area.
- Operate the vehicle for 24 km (15 mi), or until normal operating temperatures are reached.
- Shut OFF the engine.
- Inspect the suspected leak area.
- Trace the leak path through the powder in order to find the source of the leak.
- Make the necessary repairs.