1991 1999 ford explorer chilton User Manual

Exploded view of the 5.0L engine oil pan
Click to enlarge
Remove the oil pan bolts.
3. 
Remove the oil pan and gasket.
4. 
Installation is the reverse of removal. Use RTV sealer at the four corners of the block and pan.
Tighten the four oil pan end attaching bolts to 12-18 ft. lbs. (16-25 Nm) and the 18 oil pan bolts to
110-144 inch lbs. (13-16 Nm).
5. 
Oil Pump HOW TO USE THIS BOOK
364 Oil Pump 

REMOVAL & INSTALLATION
Except 4.0L SOHC (VIN E), 5.0L, 1995-97 2.3L and 1998-99 2.5L Engines
The oil pumps are not serviceable. If defective, they must be replaced. Follow the service procedures under Oil Pan Removal and remove the oil pan assembly.
1. 
Remove the oil pick-up and tube assembly from the pump.
2. 
Remove the oil pump retainer bolts and remove the oil pump.
3. 
To install: Prime the oil pump with clean engine oil by filling either the inlet or outlet port with clean engine oil.
Rotate the...

Oil pump installation on the 1991-94 2.3L engine
Click to enlarge
Oil pump installation on the 3.0L engines Click to enlarge
HOW TO USE THIS BOOK
366 REMOVAL & INSTALLATION 

Oil pump installation on the 4.0L engines
Click to enlarge
198-97 2.3L and 1998-99 2.5L Engines
The oil pump is located on the front of the engine and is turned by the timing belt. Disconnect the negative battery cable.
1. 
Remove the timing belt.
2. 
Detach the camshaft position sensor (CMP) electrical connector.
3. 
Remove the oil pump sprocket bolt and sprocket.
4. 
Use a prybar or drift through one of the holes in the pump sprocket to keep it from turning while
loosening the bolt.
Unbolt the camshaft...

Prime the oil pump and with 8 ounces (236ml) of new engine oil and lubricate the O-rings
with same.
1. 
Use a new pump-to-block gasket.
2. 
Tighten the oil pump bolts to 2-123 inch lbs. (10-14 Nm), the camshaft position sensor bolts
to 45-61 inch lbs. (5-7 Nm) and the oil pump sprocket bolt to 30-40 ft. Lbs. (40-55 Nm).
3. 
4.0L SOHC (VIN E) and 5.0L Engines
The oil pump cannot be removed with the engine in the vehicle. Remove the engine.
1. 
Remove the oil pan.
2. 
Remove the two oil pick-up attaching...

The two rear ladder frame bolts (arrows) on the 4.0L engine use TORX® drive fasteners
View of the side ladder frame bolts (arrow) on the 4.0L engine
On the 4.0L engine, remove the seven LH and the eight RH ladder frame bolts.
6. 
On the 4.0L engine, lift the ladder frame from the engine.
7. 
Remove the two oil pump attaching bolts and the pump.
8.  HOW TO USE THIS BOOK
REMOVAL & INSTALLATION 369 

Remove the two oil pump attaching bolts-4.0L engine shown
Exploded view of the 5.0L engine oil pump and pick-up assembly Click to enlarge
Installation is the reverse of removal. Submerge the pump in clean engine oil to prime it. Tighten the
pump attaching bolts to 13-15 ft. lbs. (17-21 Nm) for the 4.0L engine and 23-31 ft. lbs. (30-43 Nm)
for the 5.0L engine.
9. 
Crankshaft Damper
REMOVAL & INSTALLATION Disconnect the negative battery cable for safety.
1. 
Remove the engine fan/clutch assembly and...

With the engine fan and shroud removed, unbolt the crankshaft damper from the crankshaft
Assemble a puller to the damper ...
... then tighten the center bolt to remove the damper from the crankshaft
Remove the damper-to-crankshaft snout attaching bolt.
5. 
Assemble a puller to the damper and remove it.
6. 
To install: HOW TO USE THIS BOOK
REMOVAL & INSTALLATION 371 

Inspect the front cover seal and replace if necessary.
7. 
Apply multi-purpose grease to the front cover seal rubbing surface.
8. 
Apply a small amount of RTV sealant to the damper keyway groove.
9. 
Align the groove with the crankshaft keyway and install the damper.
10. 
WARNING
Never hammer on the damper to install it.
Use a crankshaft damper installation tool to press the damper onto the crankshaft.
11. 
Install the damper-to-crankshaft snout and tighten to specifications.
12. 
Install the crankshaft...

Timing belt cover on the 2.3L and 2.5L engine
Click to enlarge
HOW TO USE THIS BOOK
REMOVAL & INSTALLATION 373