Bronco L6-300 4.9L VIN Y 1-bbl (1983)
Oil Pump: Specifications
Rotor Backlash
0.012 in
Note: Maximum inner and outer rotor tip clearance.
Rotor To Body Clearance
0.001-0.013 in
Rotor End Clearance
0.004 in
Note: Measured between pump cover mounting surface & end
of gear using suitable straightedge & feeler gauges.
Maximum
Maximum Cover Flatness Variation
N/A
Note: Pump should be replaced if cover is damaged, scored
or worn.
Driveshaft To Pump Body Clearance 0.0015-0.0030 in
Relief Valve To Body Clearance
0.0015-0.0030 in
Relief Spring Pressure
20.6-22.6 lbf at 2.49 in
