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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 917 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Specifications >> Oil Pump Specifications

Oil Pump Specifications

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Oil Pump Specifications

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 Side Clearance 0.066 mm 0.0026 in
Driven Gear, Between Flats Maximum 52.165 mm 2.0537 in
Driven Gear, Minimum OD 108.987 mm 4.2908 in
Oil Pump Body Gear Cavity, Maximum ID 109.216 mm 4.2988 in
Driven Gear to Oil Pump Body, Maximum Diametrical Clearance 0.204 mm 0.0080 in
Driven Gear, Maximum Side Clearance 0.056 mm 0.0022 in
Driven Gear/Crescent Tooth, Maximum Clearance 0.455 mm 0.0179 in
Oil Pump Body Gear Cavity, Maximum Depth 24.940 mm 0.9819 in
Wear Plate, Minimum Thickness 2.950 mm 0.1161 in