Ford 1997 Aerostar Workshop Manual page 187

1997 Aerostar/Ranger
Oil Ring
Service Limit
Ring Gap
Compression (Top)
(in Gauge)
Compression (Bottom)
(in Gauge)
Oil Ring (Steel Rail)
(in Gauge)
Side Clearance
1st Ring
2nd Ring
Lubrication System Specifications
Item
Oil Pump
Relief Valve Spring Tension
(Force @ Length)
Relief Valve to Bore
Clearance
Oil Pump Gear
Backlash
Oil Pump Gear Radial
Clearance
(Idler and Driver)
Oil Pump Gear Height
Clearance
Idler Shaft to Idler Gear
Clearance
Driver Shaft to Housing
Clearance
Oil Capacity
(a) 20-200 seconds to leak-down 3.18 (0.125 in.) with 225 Newtons (50 pounds) load and tappet filled with
leak-down fluid.
(b) When placing pistons, measure the cylinder bore as described in
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31B50.HTM~gen~ref.HTM
(0.0575-0.0587 In.)
Side Seal — Snug Fit
Side Clearance
0.15mm Max.
(0.0006 In. Max.)
0.25-0.50mm
(0.01-0.02 In.)
0.25-0.50mm
(0.01-0.02 In.)
0.25-1.25mm
(0.010-0.049 In.)
0.040-0.095mm
(0.0016-0.0037 In.)
0.040-0.095mm
(0.0016-0.0037 In.)
Specification
44.9-40.5 N (10.1- 9.1 Lb.)
@ 28.2mm (1.11 In.)
0.073-0.043mm
(0.0029-0.0017 In.)
0.02-0.03mm
(0.008-0.012 In.)
0.125-0.050mm
(0.0055-0.002 In.)
0.0825-0.010mm
(0.0032-0.0003 In.)
0.069-0.039mm
(0.0027-0.0015 In.)
0.073-0.038mm
(0.0019-0.0005 In.)
4.25 Liters
(4.5 quarts)
with filter change
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Section 03-00 , General Engine
Page 7 of 10
2011-04-27