GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Envoy - 4WD
🢒
Brakes
🢒
Drum Brakes
🢒 Drum Brake Hardware Inspection
Visually inspect the drum brake system return springs for the following:
•
Excessive corrosion
•
Damaged or bent locating pins
•
Broken spring coils
•
Damaged retaining cups
Visually inspect the hold-down springs for the following:
•
Excessive corrosion
•
Excessive stretching
•
Broken hook ends
•
Twisting or binding
If any of the conditions listed were found, the drum brake system hardware requires replacement.