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L510001-05
8.1L ACCESSORY DRIVE BELT
The Crusader 8.1L engine uses a single serpentine belt
to drive the engine water circulation pump, sea-water
pump and the alternator.
Figure 11-19 8.1L Accessory Drive Belt Confi guration
ENGINE MAINTENANCE - 11
DRIVE BELT INSPECTION
Inspect the drive belt for excessive wear, shredding or
missing sections.
Inspect the drive belt for contamination from excessive
dirt, oil, coolant or other substances that may effect the
drive belt operation.
If a problem is found, replace the belt after inspecting the
following items:
• The engine water circulation pump and alternator
pulleys for signs of misalignment
• The engine water circulation pump and alternator
pulleys for signs of rust or other damage
• Bent pulleys or tight bearings in the engine water
circulation pump and alternator
DRIVE BELT REPLACEMENT (8.1L)
8.1L SERPENTINE BELT #: R066024A
1. Note the routing of the belt before removing.
2. Using a 15 mm box wrench or socket, turn the
belt tensioner to relieve the tension on the belt.
Slide the belt off of the pulleys.
Release the
tensioner slowly to prevent the tensioner
from snapping against its stop, and possibly
causing damage to the tensioner.
3. Slide the new belt onto the pulleys using the
same routing as noted prior to removal.
4. Compress the belt tensioner, and slide the belt
over the tensioner pulley. Release the tension
slowly to tension the belt.
Alternator
Belt
Tensioner
Raw Water
Pump
Circulation
Pump
Crankshaft
Pulley
A
Figure 11-20 Belt Tensioner (8.1L)
SERVICING RAW WATER PUMP IMPELLER
(8.1L)
8.1L IMPELLER KIT #: RP061022
The raw water pump impeller should be serviced every
50 hours, or once a year, whichever occurs fi rst. See
Maintenance Schedule.
Locations “A” (Figure 11-19) are access holes in order
to loosen the raw water pump housing attaching bolts.
The bolts are secured in the pump by O-rings, and will
not fall out during removal.