Ford 1997 Aerostar Workshop Manual page 56

1997 Aerostar/Ranger
Section 03-01B: Engine, 3.0L V-6
IN-VEHICLE SERVICE
Camshaft
Removal
1. NOTE: On 3.0L Aerostar it is necessary to remove the engine (6007) from the vehicle to
perform this procedure. Refer to
section.
Disconnect ground cable at battery and set aside.
2. Rotate crankshaft (6303) so No. 1 piston is at 0 degrees at Top Dead Center (TDC) on the
compression stroke.
3. Remove radiator as outlined in
4. Recover A/C refrigerant and remove A/C condenser core as outlined in
5. Remove engine front cover (6019) and timing chain and sprockets as outlined in this section.
6. Remove intake manifold (9424) and valve covers (6582) as outlined in this section.
7. Loosen rocker arm bolts enough to allow the rocker arms (6564) to be lifted off the push rod (6565)
and rotated to one side.
8. Remove push rods. Identify each push rod's location. The push rods should be installed in their
original location and position during reassembly.
9. Loosen roller tappet guide plate retainer bolts (2). Remove tappet guide plate retainer from tappet
valley.
10. Remove valve tappet guide plates (6K512) from valve tappets (6500) by lifting straight up.
11. NOTE: If the valve tappets are stuck in the bores due to excessive varnish or gum deposits, it
may be necessary to use a claw-type tool to aid removal. Work the valve tappet up and down
in the bore to loosen it from the deposits.
Remove valve tappets by grasping each valve tappet and pulling in line with bore.
12. Remove the two camshaft thrust plate retaining bolts and camshaft thrust plate (6269).
13. CAUTION: Damage to camshaft bearings and/or camshaft can occur if camshaft is
allowed to drop on bearing surface or cylinder block.
Remove camshaft (6250) by pulling slowly toward front of engine keeping camshaft perfectly in line
with camshaft bores.
Installation
NOTE: Lightly oil all retaining bolt and stud threads before installation except those specified for
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31B23.HTM~gen~ref.HTM
Engine Assembly, Aerostar
Section 03-03 .
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1997 Aerostar, Ranger Workshop Manual
, Removal and Installation, in this
Section 12-00
Page 1 of 10
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2011-04-27