Grand Marquis V8-255 4.2L (1982)
Oil Pump: Specifications
Rotor Backlash
0.01 in
Note: Maximum.
Rotor To Body Clearance
.001-.013 in
Rotor End Play
0.004 in
Note: Measured between pump cover mounting surface and end
Note: Maximum.
of gear, using straight edge and feeler gauge.
Relief Valve To Body Clearance
.0015-.0030 in
Relief Spring Pressure
10.6-12.2 lbf at 1.704 in
