Coolant Pump Drive Belt Adjust
Illustration 80
g03748152
Typical example
1.
Loosen bolts (1) and (3). Using square (A) adjust
pulley assembly (2) in order to increase or
decrease the tension on the coolant drive belt.
2.
The tension on the belt must be set to 560 N
(125 lb).
3.
With the correct tension on the belt, tighten bolts
(1) and (3). Tighten bolts to a torque of 28 N·m
(247 lb in).
New belts
Table 17
Tension for New Belts
Tension
Fan belt
Coolant pump Drive
Belt
912 N (205 lb)
734 N (165 lb)
Recheck new belts after 10 hours of operation.
i07223806
Belts
-
Inspect/Adjust/Replace
(Alternator
Belt)
The
alternator
belt
adjustment
is
performed
by
an
automatic
tensioner.
Belt
tension
is
controlled
by
the
tensioner
and
no
manual
adjustment
will
be
required.
Inspect
Illustration 81
g06262823
To maximize the engine performance, inspect the
belt (3) for wear and for cracking. Replace the belt if
the belt is worn or damaged.
• Inspect the belt for cracks, splits, glazing, grease,
displacement of the cord and evidence of fluid
contamination.
Ensure that the belt tensioner is securely installed.
Visually inspect the belt tensioner (1) for damage.
Check that the pulley on the tensioner rotates freely
and that the bearing is not loose. Some engines have
an idler pulleys (2). Ensure that the idler pulleys are
securely installed. Visually inspect the idler pulley for
damage. Ensure that the idler pulley can rotate freely
and that the bearing is not loose. If necessary,
replace damaged components.
Adjust
Belt adjustment is automatic.
Replace
To replace the belt, refer to Disassembly and
Assembly, Alternator Belt - Remove and Install.
i07241729
Belts
-
Inspect/Adjust/Replace
(Fan
Belts)
Belt
tension
should
be
checked
initially
between
the
first
20
to
40
hours
of
engine
operation.
96
M0087475-06