Ford 1997 Aerostar Workshop Manual page 80

1997 Aerostar/Ranger
the crankshaft forward against the thrust surface of the upper half of the bearing. Hold the crankshaft
cap to the rear. This will align the thrust surfaces of both halves of the bearing. Retain the forward
pressure on the crankshaft. Tighten the crankshaft main bearing cap stud (6345) to 75-85 Nm (55-63
lb-ft).
Thrust Bearings, Alignment
8. Check crankshaft end play. Refer to
9. If end play exceeds specification, replace upper and lower crankshaft thrust main bearing (6337). If
the end play is less than specification, inspect the bearing and crankshaft thrust faces for damage,
dirt or improper alignment. Install thrust bearing and align the faces. Recheck end play.
10. Install new connecting rod bearings in the connecting rods and caps. Check the clearance of each
bearing. Refer to
11. If bearing clearances are to specification, apply a light coat of heavy engine oil, SAE 50, to the
journals and bearings.
12. Turn the crankshaft throw to the bottom of the stroke. Push the piston, pin and ring (6102) all the way
down until the rod bearings seat on the crankshaft journal.
13. Make sure connecting rod is seated on crankshaft journal and install connecting rod cap. Tighten
attaching nuts to 31-39 Nm (23-28 lb-ft).
14. After piston, pin and ring and connecting rod assemblies have been installed, check connecting rod
crankshaft journal.
15. Turn engine on the work stand so that the front end is up. Install timing chain/belt, crankshaft,
crankshaft sprockets, engine front cover, new oil seal and crankshaft vibration damper as outlined in
the In-Vehicle part of this section.
16. Turn engine on the work stand so that the rear end is up. Install crankshaft rear oil seal (6701).
17. Clean oil pan, oil pump and oil pump screen assembly.
18. Prime oil pump by filling the inlet opening with oil and rotating the pump shaft until oil emerges from
the outlet opening. Install oil pump and oil pan as outlined.
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31B28.HTM~gen~ref.HTM
Section 03-00
Section 03-00 .
tomsn048@gmail.com
.
Page 4 of 5
2011-04-27