Secondary Air Injection Temperature Caution. GMC Truck Yukon XL

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Preface 🢒 Cautions and Notices 🢒 Secondary Air Injection Temperature Caution

Caution: Allow the engine to cool before servicing the secondary air injection AIR system in order to reduce the chance of severe burns.