MAINTENANCE
SECTION 5
Page 77CMD-4081877 / 90-865861040 MARCH 2004
2. Inspect serpentine belt for proper tension and for the following:
• Excessive wear
• Cracks
NOTE: Minor, transverse cracks (across the belt width) may be acceptable. Longitudinal
cracks (in direction of belt length) that join transverse cracks are NOT acceptable.
• Fraying
• Glazed surfaces
• Proper tension
75130
a
b
c
a-Transverse crack
b-Longitudinal crack
c-Fraying
3. Check operation of the automatic tensioner and associated components.
a. Position a suitable tool in the square tool opening and move (rotate) tensioner pulley
in direction of arrow.
b. Release and allow to glide back slowly.
c. Tensioner must return to it’s initial position.
b
a
79916
a-Automatic tensioner
b-Square tool opening
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