45
L510010-03
C.C.
ENGINE MAINTENANCE - 11
DRIVE BELT REPLACEMENT (6.0L)
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.
Figure 11-19 Belt Tensioner (6.0L)
6.0L ACCESSORY DRIVE BELT
The PCM 6.0L engine uses a single serpentine belt to
drive the engine water circulation pump, sea-water pump
and the alternator.
Figure 11-18 6.0L Accessory Drive Belt Confi guration
Belt
Tensioner
Circulation
Pump
Raw Water
Pump
Crankshaft
Pulley
Alternator
Idler
A
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.
SERVICING RAW WATER PUMP IMPELLER
(6.0L)
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 11-18) are access holes in order
to loosen the raw water pump attaching bolts. The bolts
are secured in the pump by O-rings, and will not fall out
during removal.
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