PUMP
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 9A-5
4. Use 5/16 in. socket and tighten adjusting stud until the correct deflection (1/4 in.) of the
belt is obtained at location specified above.
5. While holding adjustment stud at the correct belt tension, tighten 5/8 in. locking nut.
Important Service Information
Pump Pulley Replacement
REMOVAL
NOTE: Serpentine belt pulley requires a special puller tool. See your local automotive repair
dealer for appropriate tool or use Snap-On P/N CJ124A.
1. Install appropriate puller on end of pulley and shaft as shown.
2. While holding tool with suitable wrench, turn threaded screw until pulley is removed.
72821
a
b
a-Typical Puller
b-Serpentine Pulley
INSTALLATION
Install pulley, using appropriate pulley installation tool as follows:
1. Place pulley on pump shaft.
2. Thread stud all the way into pump shaft. Place bearing over stud.
3. Thread nut onto shaft. Thread tool shaft (and nut) all the way onto stud (threaded into
pump shaft).
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