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
Maintenance Section
Belts - Inspect/Adjust/Replace
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