Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Oil Pump, Engine

Engine Liter/CID 3.4L/V6-209

All specifications given in inches.

Rotor Backlash 0.0037-0.0077
Rotor To Body Clearance 0.0010-0.0030
Rotor End Clearance [01] 0.002-0.005
Gear Pocket
Depth 1.202-1.204
Diameter 1.5030-1.5050
Rotor Diameter 1.498-1.500
Relief Valve To Body Clearance 0.0015-0.0035

[01] Measured between pump cover mating surface & end of rotors using straight edge & suitable feeler gauges.