5-31. ENGINE OIL LUBE PUMP REPLACEMENT (CONT).
(1) Lubricate oil pump (4) with engine oil.
(2) Install oil pump (4) in engine block (5).
Ensure that idler gear shaft engages bore in
(3) Install four screws (3). Tighten screws
alternately 216 lb-in (24 N·m).
The following measurements are for
new oil pump only.
Hold adjoining gears to obtain correct
(4) Measure oil pump gear (1) backlash at
position A and idler gear (2) backlash at
position B. Both normal measurements are
0.003 to 0.10 in. (0.08 to 0.25 mm). If above
or below normal measurements, check
END OF TASK