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03-05-5
Drive Belts, Accessory
03-G5·5
DIAGNOSIS AND TESTING {Continued)
•
With engine running, watch the grooves in the
pulleys (not the pulley flanges) for excessive
wobble. Replace components as required.
If the above procedures do not correct the drive
belt noise, try replacing the drive belt with a new
drive belt. However, the drive belt noise may
return again (with mileage) if one of the above
conditions has not been corrected.
REMOVAL AND INSTALLATION
Drive Belt Replacement
Drive Belt, Serpentine
WARNING: DO NOT ALLOW DRIVE BELT
TENSIONER {6B209) TO SNAP BACK AS DAMAGE
TO
DRIVE BELT TENSIONER OR PERSONAL
INJURY COULD RESULT . .
NOTE: Minor cracks in the V-ground portion of the
drive belt (8620) are considered normal and
acceptable.
If
the drive belt has chunks missing from
the ribs, the drive belt should be replaced.
Conditions requiring drive belt replacement are as
follows:
•
rib chunk-out
•
excessive wear
•
severe glazing
•
frayed cords or similar conditions
Replace any drive belt exhibiting one of these
conditions.
Removal and Installation
1 .
Rotate automatic drive belt tensioner away from
drive belt.
On 3.8L SFI engines, lift drive belt tensioner
pulley by applying counterclockwise torque to
pulley bolt with wrench and socket.
On 4.6L engines, depress drive belt tensioner
pulley by applying clockwise torque to square
slot with
1 I 2
inch drive breaker bar.
2. Remove drive belts.
3.
CAUTION: Incorrect drive belt installation will
cause excessive drive belt wear and may
cause the drive belt to come off the drive
pulleys.
Install drive belt over pulleys through appropriate
drive belt routing as shown in following
illustrations. Make sure that all V-grooves make
proper contact with the pulley as shown.
DRIVE BELT
8620
PULLEY
01834-C
4. Check drive belt tension as described. If drive
belt tension is not within specification, install new
drive belt tensioner as described.
Drive Belt Tensioner, Automatic
3.8L SFI
Removal and Installation
1 .
Remove serpentine drive belt (8620) as
described.
2. Remove drive belt tensioner retaining bolt and
drive belt tensioner (68209).
3. To install, reverse Removal procedures. Install
new drive belt tensioner locating pin in bracket
hole prior to and during tightening of drive
belt
tensioner retaining bolt. lighten bolt to 7Q-95 N·m
(52-70 lb-ft).
.
1997
Thunderbird, Cougar July
1996