Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the seals (308) from the pipe and covers.
- Clean the pipe and covers in solvent.
- Dry the pipe and covers with compressed air.
- Inspect the pipe and covers for restrictions within the pipe (1) or damaged sealing surfaces (2, 3).
NOTE:
Do not use the engine coolant air bleed pipe and cover seals again. Upon installation of the pipe and covers, install NEW seals.
WARNING:
Refer to Safety Glasses and Compressed Air Warning .