Ford Aerostar 1997 Workshop Manual page 142

1997 Aerostar/Ranger
Section 03-01C: Engine, 4.0L V-6
REMOVAL AND INSTALLATION
Crankshaft
Removal
1. Remove engine (6007) from vehicle and place on a work stand.
2. Remove oil pan (6675) and oil pan gasket (6710) as outlined in this section.
3. Remove engine front cover (6019) assembly as outlined in this section.
4. Remove timing chain/belt (6268), camshaft sprocket (6256) and crankshaft sprocket (6306).
5. Invert engine on the work stand. Remove flywheel (6375). Remove oil pump screen cover and tube
(6622) and oil pump (6600).
6. Make sure all bearing caps (main and connecting rod) are marked so they can be installed in their
original positions. Turn crankshaft (6303) until connecting rod (6200) from which the cap is being
removed is up. Remove connecting rod cap. Push connecting rod and piston assembly up in the
cylinder. Repeat procedure for the remaining connecting rod assemblies.
7. Remove main bearing caps.
8. CAUTION: Handle the crankshaft with care to avoid possible fracture or damage to the
finished surfaces.
Lift the crankshaft carefully out of the block so that the upper thrust bearing surfaces are not
damaged.
Installation
NOTE: If bearings are to be reused, they should be identified to make sure that they are installed in
their original positions.
Crankshaft Assembly, Installation
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1997 Aerostar, Ranger Workshop Manual
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2011-04-27