Ford Aerostar 1997 Workshop Manual page 151

1997 Aerostar/Ranger
11. Remove the oil pump, oil pump screen cover and tube (6622), oil pump intermediate shaft (6A618)
and crankshaft oil windage baffle (6L680).
12. Remove the crankshaft rear oil seal.
13. Remove the timing chain vibration damper (6284)
14. Remove the camshaft sprocket capscrew and slide the timing chain vibration damper, crankshaft
sprocket (6306) and camshaft sprocket (6256) off as an assembly. Remove the timing chain guide
(6K297).
15. Remove the camshaft thrust plate (6269) and remove the camshaft (6250).
16. NOTE: Pistons (6108), connecting rods (6200) and connecting rod bearings (6211) should be
numbered to make sure they are assembled in their original positions.
NOTE: Before removing pistons, inspect the top of the cylinder bores. If necessary, remove
the ridge and/or carbon deposits from each cylinder using Cylinder Ridge Reamer T64L-6011-
EA.
Remove the connecting rod caps and remove the pistons.
17. CAUTION: When removing the crankshaft (6303), take care not to damage any of the
bearing surfaces on the crankshaft.
NOTE: The location of the main bearing caps and the crankshaft main bearings (6333) should
be identified. When the engine is assembled, crankshaft main bearings which are to be reused
should be installed in their original positions.
Remove the crankshaft main bearing caps, crankshaft main bearings and crankshaft.
18. For cleaning purposes, the oil gallery and coolant drain plugs can be removed.
Assembly
SPECIAL SERVICE TOOL(S) REQUIRED
Description
Rear Crankshaft Seal Replacer T97T-6701-A
Valve Stem Seal Replacer
Before assembling cylinder blocks (6010), all sealing surfaces must be clean and free of chips, dirt, paint,
and foreign material. Also, make sure coolant and oil passages are clear.
If new piston rings are to be installed and no visible cross hatch marks remain on the cylinder wall, remove
cylinder wall glaze using a spring type tool. Follow instructions of tool manufacturer.
Crankshaft Assembly, Installation
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31C45.HTM~gen~ref.HTM
Tool Number
T90T-6571-A
tomsn048@gmail.com
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2011-04-27