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Hammer Time
Hammer Time, L1 Master Technician
Category: Car
Satisfied Customers: 4942
Experience:  ASE Mastertech with Adv level Engine performance cert.
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how do i remove a 1998 jeep cherokee alternator

Customer Question

how do I remove the alternator from a 1998 6 cyl 4x4 jeep cherokee pioneer
Submitted: 11 years ago.
Category: Car
Expert:  Hammer Time replied 11 years ago.

Removal & Installation


Once the determination is made that the alternator is at fault, off vehicle testing can be used to determine the defective component inside the alternator.


See Figures 1 through 11




  1. Disconnect the negative battery cable.



  2. Remove the drive belt.



  3. If necessary, remove any splash shielding for easier access to the alternator.


Click image to see an enlarged view
Fig. 1: For easiest access to the alternator assembly, first remove the splash shield mounting fasteners ...



Click image to see an enlarged view
Fig. 2: ... then swing it out of the way for access to the alternator assembly



Click image to see an enlarged view
Fig. 3: View of the alternator electrical connections-(A) battery positive, (B) field terminals, (C) wire harness hold down, (D) ground terminal





  1. Tag and disengage the alternator wiring.


It may be necessary to remove the alternator and mounting bracket from the vehicle as an assembly.




  1. If equipped, remove the front alternator assembly mounting plate.


Click image to see an enlarged view
Fig. 4: Remove the six nuts and bolts that secure the front mounting plate to the alternator assembly



Click image to see an enlarged view
Fig. 5: Remove the front alternator assembly mounting plate from below the vehicle





  1. Unfasten the alternator mounting and pivot bolts and remove the alternator.



  2. If installing the original alternator assembly, push out the pivot bushing as illustrated.


Click image to see an enlarged view
Fig. 6: After removing the alternator assembly front mounting plate, remove the front engine-to-alternator bracket mounting stud



Click image to see an enlarged view
Fig. 7: Remove the two alternator bracket-to-engine mounting bolts



Click image to see an enlarged view
Fig. 8: Remove the alternator and mounting bracket assembly from the vehicle



Click image to see an enlarged view
Fig. 9: If re-installing, the alternator has a pivot bushing on the pivot arm that should be pushed out before installation



Click image to see an enlarged view
Fig. 10: Mount a C-clamp and 18mm socket on the alternator pivot bushing ...



Click image to see an enlarged view
Fig. 11: ... then compress the C-clamp until it pushes the alternator pivot bushing out



To install:




  1. Mount the alternator to the brackets with the nuts and bolts. Tighten the two mounting bolts and nuts to 40 ft. lbs. (54 Nm).



  2. If the alternator and mounting bracket were removed as an assembly, install the assembly into the vehicle.



  3. If removed, install the front mounting plate.



  4. Engage the alternator electrical connections.



  5. If removed, install the splash shield.



  6. Install the drive belt and attach the negative battery cable.
























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