IN-VEHICLE SERVICE
Cylinder Head(s)
Removal
1. NOTE: On 3.0L Aerostar it is necessary to remove the engine (6007) from the vehicle to
perform this procedure. Refer to Engine Assembly, Aerostar
, Removal and Installation, in this
section.
Disconnect ground cable at battery and set aside.
2. Drain cooling system. Refer to Section 03-03 .
3. Remove:
Engine air cleaner outlet tube
Engine air cleaner
PCV closure hose
4. Remove throttle body (9E926) as outlined in Section 03-04B .
5. Remove engine oil filler adapter (Aerostar only).
6. Disconnect fuel lines as outlined in Section 03
-04B .
7. Mark vacuum line location and remove lines.
8. Disconnect upper radiator hose and heater water hoses and move out of the way.
9. Disconnect spark plug wires from spark plugs with a turning motion and remove spark plug wire
separators from valve cover retaining pins.
10. Remove ignition coil and bracket from top of throttle body and pencil at exhaust manifold.
11. Remove spark plugs (12405) and bring number one piston to top dead center of the compression
stroke.
12. Remove intake manifold (9424) as outlined.
13. Remove engine accessory drive belt (8620).
14. On Ranger only:
a. Recover refrigerant from A/C system. Refer to Section 12
-00 .
b. Disconnect liquid line at condenser and suction hose from accumulator.
c. Plug or cap all openings in the air conditioning system to keep dirt, foreign material and excess
moisture out of the system.
d. Remove 4 bolts securing A/C compressor to power steering pump support bracket and remove
A/C compressor and hoses assembly from vehicle.
Section 03-01B: Engine, 3.0L V-6 1997 Aerostar, Ranger Workshop Manual
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVK31B18.HTM~gen~ref.HTM
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