Ford 1997 Aerostar Workshop Manual page 77

1997 Aerostar/Ranger
Section 03-01B: Engine, 3.0L V-6
IN-VEHICLE SERVICE
Crankshaft
Removal
1. Remove engine (6007) from vehicle as outlined in this section, remove flywheel and engine rear
plate, and install on a work stand.
2. Drain crankcase oil.
3. Remove spark plugs (12405).
4. Remove oil pan (6675) as outlined in In-Vehicle procedures in this section.
5. Remove engine front cover (6019) as outlined in In-Vehicle procedures in this section.
6. Check timing chain deflection as outlined in
7. Remove camshaft sprocket bolt (6279) and camshaft sprocket washer (6278).
8. Remove timing chain/belt (6268), camshaft sprocket (6256) and crankshaft sprocket (6306) as an
assembly. Using one hand on the camshaft sprocket and the other on the crankshaft sprocket, pull
assembly forward and off of camshaft (6250) and crankshaft (6303).
9. Rotate engine 180 degrees on engine stand. Remove oil pump retaining bolt and lift oil pump (6600)
off of bearing cap.
10. NOTE: All main bearing caps are marked with arrows. One arrow identifies No. 1 main bearing
cap, two arrows identify No. 2 cap, etc. All connecting rods (6200) and caps are identified by
matching correlation letters. Connecting rods are not identified to a cylinder number.
Remove connecting rod caps. Rotate crankshaft to position cap to be removed to bottom of stroke.
Loosen and remove two retaining nuts per cap. Place retaining nuts so that they may be reinstalled
on the same rod bolt.
11. Tap cap with a plastic mallet to separate from connecting rod bolt (6214). Remove cap from
crankshaft. If lower bearing remained on crankshaft, carefully grasp both sides of bearing and pull
straight up away from journal (oil acts as an adhesive between two precision fitted components).
Place bearing back into cap and tag for cylinder position number.
12. Install protective rubber caps such as fuel hose onto connecting rod bolts. Using a wooden hammer
handle or similar device, tap piston (6108) into cylinder bore while guiding connecting rod bolt away
from crankshaft. Push assembly in far enough to prevent crankshaft rotation from hitting connecting
rod bolt. Make sure upper connecting rod bearing is still seated in rod.
13. Perform above three steps for remaining connecting rod bolts.
14. Loosen and remove crankshaft main bearing cap bolts. Place retaining bolts so that they may be
reinstalled in the original position.
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31B28.HTM~gen~ref.HTM
1997 Aerostar, Ranger Workshop Manual
Section 03-00 .
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2011-04-27