Oil Pump Specifications
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Part Measured | Specification | |
|---|---|---|
| Metric | English | |
| Bushing, Maximum ID
IMPORTANT:
The pump bushing must have a complete burnt-orange color Teflon® coating. If any portion of the Teflon® coating is worn and bronze material is visible, replace the pump.
|
58.391 mm | 2.3015 in |
| Drive Gear, Maximum Distance Between Flats | 52.165 mm | 2.0537 in |
| Drive Gear, Maximum Side Clearance | 0.066 mm | 0.0026 in |
| Driven Gear, Minimum OD | 109.987 mm | 4.3302 in |
| Driven Gear, Maximum Side Clearance | 0.056 mm | 0.0022 in |
| Driven Gear/Crescent Tooth, Maximum Clearance | 0.455 mm | 0.0179 in |
| Driven Gear to Oil Pump Body, Maximum Diametrical Clearance | 0.204 mm | 0.0080 in |
| Oil Pump Body Gear Cavity, Maximum Depth | 22.245 mm | 0.8758 in |
| Oil Pump Body Gear Cavity, Maximum ID | 110.191 mm | 4.3382 in |
| Wear Plate, Minimum Thickness | 2.950 mm | 0.1161 in |