Drum Brake Specifications
DRUM BRAKE SPECIFICATIONS
| Application | In. (mm) | |||
|---|---|---|---|---|
| Astro, Safari, & "S" & "T" Series | ||||
| Drum | ||||
| Original Diameter | 9.50 (241.3) | |||
| Discard Diameter | 9.59 (243.6) | |||
| Maximum Allowable Diameter After Refinish Diameter | 9.56 (242.8) | |||
| Width | 2.00 (50.8) | |||
| Aztek | ||||
| Drum | ||||
| Discard Diameter | 9.902 (251.5) | |||
| Maximum Allowable Diameter After Refinish Diameter | 9.882 (251.0) | |||
| Allowable Radial Runout (Maximum) | .006 (.015) | |||
| Allowable Scoring (Maximum) | .06 (1.5) | |||
| Express & Savana | ||||
| Drum | ||||
| Original Diameter | ||||
| 1500 & 2500 Series | 11.15 (283.2) | |||
| 2500 (Diesel) & 3500 | 13.00 (330.2) | |||
| Discard Diameter | ||||
| 11.15" Drum | 11.24 (285.5) | |||
| 13.00" Drum | 13.09 (332.5) | |||
| Maximum Allowable Diameter After Refinish | ||||
| 11.15" Drum | 11.21 (284.7) | |||
| 13.00" Drum | 13.06 (331.7) | |||
| Width | ||||
| 11.15" Drum | 2.75 (69.9) | |||
| 13.00" Drum | 2.50 (63.5) Or 3.50 (88.9) | |||
| Montana, Silhouette & Venture | ||||
| Drum | ||||
| Original Diameter | 8.86 (225.0) | |||
| Discard Diameter | 8.92 (226.6) | |||
| Maximum Allowable Diameter After Refinish Diameter | 8.91 (226.3) | |||
| Wheel Cylinder Diameter | .937 (23.80) | |||