Oil Pump Torque/Data Specifications

Need a step-by-step guide?

Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1999 Buick.

AI Repair Guides
Gear Pocket Depth 0.461 - 0.4625 Inch (in)
Gear Pocket Diameter 3.508 - 3.512 Inch (in)
Inner Gear Tip Clearance 0.006 Inch (in)
Outer Gear Diameter Clearance 0.008 - 0.015 Inch (in)
End Clearance 0.001 - 0.0035 Inch (in)
Valve To Bore Clearance 0.0015 - 0.003 Inch (in)
Oil Pump Type Gerotor