GMC TSB #PIT5479F
2024 GMC Sierra 1500
Affected Component: BRAKES (PWS)
- Summary
- This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.