Cylinder Head - Ford Aerostar 1997 Workshop Manual

1997 Aerostar/Ranger
Section 03-01C: Engine, 4.0L V-6
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES

Cylinder Head

SPECIAL SERVICE TOOL(S)
REQUIRED
Description
Valve Stem Seal Replacer T90T-6571-A
Disassembly
1. Remove deposits from the combustion chambers and valve heads with a scraper and a wire brush.
Be careful not to scratch the cylinder head gasket surfaces.
2. Compress the valve springs (6513). Remove the valve spring retainer keys (6518) and release the
valve springs.
3. Remove the valve spring retainer (6514), valve stem seal (6571), and intake valve (6507) or exhaust
valve (6505). Discard the valve stem seals. Identify all valve parts for assembly. Remove the left
exhaust manifold (9430) or right exhaust manifold assembly and spark plugs (12405).
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31C46.HTM~gen~ref.HTM
Tool Number
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1997 Aerostar, Ranger Workshop Manual
Page 1 of 4
2011-04-27