1991 1999 ford explorer chilton User Manual

Timing belt assembly on the 2.3L and 2.5L engine
Click to enlarge
Releasing the timing belt tensioner using a special tool
Rotate the engine so that No. 1 cylinder is at TDC on the compression stroke. Check that the timing
marks are aligned on the camshaft and crankshaft pulleys. An access plug is provided in the cam belt
cover so that the camshaft timing can be checked without removal of the cover or any other parts. Set
the crankshaft to TDC by aligning the timing mark on the crank pulley with the TDC...

Always turn the engine in the normal direction of rotation. Backward rotation may cause the timing
belt to jump time, due to the arrangement of the belt tensioner.
Drain cooling system. Remove the upper radiator hose as necessary. Remove the fan blade and water
pump pulley bolts.
2. 
CAUTION
When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are
quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will...

Removing the front seal (cover installed) on the 2.9L engine
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Installing the front seal (cover installed) on the 2.9L engine Front cover alignment tool on the 2.9L engine
Disconnect the negative battery cable.
1. 
Remove the oil pan as described under Oil Pan removal and installation.
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376 REMOVAL & INSTALLATION 

Drain the coolant. Remove the radiator.
3. 
CAUTION
When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are
quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove
fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless
it is contaminated or several years old.
Remove the A/C compressor and the power steering bracket, if so equipped, and...

CAUTION
When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are
quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove
fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless
it is contaminated or several years old.
Remove the cooling fan.
3. 
Loosen the water pump pulley bolts. Loosen and remove the accessory drive belts. Remove the...

Front cover removal-3.0L
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Front cover bolt installation chart-3.0L
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Remove the timing cover to cylinder block attaching bolts. Carefully remove the timing cover from
the cylinder block.
11. 
Inspect the oil seal. If the seal needs replacing, follow the procedures under installation.
12. 
To install: Clean timing cover and oil pan sealing surfaces. Clean and inspect all parts. The camshaft retaining
bolt has a drilled oil passage for timing chain assembly lubrication. Clean oil passage with solvent. Do
not replace...

Fill crankcase. Refill and bleed cooling system. Connect the negative battery cable. Start engine check
for coolant, oil and exhaust leaks.
20. 
4.0L Engine (VIN X)
Review the complete service procedure before starting this repair. Refer to the necessary service
procedures in this section. The front seal can be serviced with the engine in the vehicle. Remove the
crankshaft damper, then follow the seal replacement procedure under installation.
Disconnect the negative battery cable. Remove/lower the oil...

Remove the power steering pump and position it out of the way. DO NOT disconnect the hoses!
5. 
Remove the alternator.
6. 
Remove the water pump.
7. 
Remove the drive pulley/damper from the crankshaft.
8. 
Remove the crankshaft timing sensor.
9. 
Front cover mounting-4.0L engineClick to enlarge
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382 REMOVAL & INSTALLATION 

Remove the front cover attaching bolts
Dont forget about the oil pan-to-front cover attaching bolts!
Remove the front cover attaching bolts. It may be necessary to tap the cover loose with a plastic
mallet.
10. 
Inspect the oil seal. If the seal needs replacing, follow the procedures under installation.
11. 
To install: HOW TO USE THIS BOOK
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