Remove the lubricating oil pump front cover and the
lubricating oil pump driven gear.
Remove the 7/16-20 UNF straight thread with o-ring seal
adapter and the power steering pump mounting flange
cover from the lubricating oil pump cover.
Clean the gasket material from the lubricating oil pump
body and cover.
Use an acetylene torch tip cleaner or equivalent that is 1.0
mm [0.040-inch] or less in diameter to clean the orifice.
NOTE: The diameter of the orifice is 1.0 mm [0.040-inch]. Do
not attempt to drill out the orifice or use a larger diameter
wire to clean the orifice.
Use solvent and an air solvent gun to clean the signal line,
the 7/16-20 UNF straight thread with o-ring seal adapter,
the lubricating oil pump cover, and the body. Hold the
driven gear off of the lubricating oil pump body when
cleaning the gear bore area.
Dry with compressed air.
Inspect the gears for freedom of rotation, and cracked or
broken teeth.
Inspect the bushings for excessive wear or discoloration
due to overheating or seizure to the shaft.
Use depth calipers or dial indicator to measure the drive
shaft end clearance in two locations 90 degrees apart.
Drive Shaft End Clearance
mm in
0.051 MIN 0.002
0.203 MAX 0.008
Rebuild the lubricating oil pump if the driveshaft end
clearance does not meet specifications. Refer to the N14
Engine Shop Manual, Bulletin No. 3810487.
Lubricating Oil Pump (2-13) Section 2 - Lubricating System
N14Page 2-32
To Next Page
Loading...
