1996-1999 Chevrolet Suburban, Tahoe, Pickup, GMC Yukon, Alternator Replacement Instructions, Install, Change (1997 1998)

Tools required:

3/8 socket/ratchet

13mm wrench

15mm wrench

5/16 wrench

Flathead screwdriver (large)

Rubber mallet

Step 1: Open the vehicle's hood.

Step 2: Using the 5/16 wrench, disconnect the vehicle's battery.

Step 3: Using the 3/8 socket/ratchet, loosen the belt tensioner, allowing for belt removal.

Step 4: Using the wrenches (2), loosen and disconnect the wiring connection from the alternator.

Step 5: Pull the air hose from its attachment on the backside of the alternator.

Step 6: Using the 15mm wrench, loosen and remove the mounting bolts (2).

Step 7: Pry and remove the alternator from the vehicle.

Step 8: Mount the new alternator by tightening the 15mm mounting bolts (2).

You may want to use a rubber mallet to situation the alternator, as space is tight.

Step 9: Connect the wiring harness (1) to the alternator.

Step 10: Reattach the air hose using the retaining clip.

Step 11: Tighten the wiring connection using the wrenches (2).

Step 12: Using the decal under the hood, re-engage the belt tensioner and position the belt properly around the pulleys.

Step 13: Reconnect the battery terminals.

How do you Change, Replace, or Install 1996-1999 Chevrolet Suburban, Tahoe, Pickup, GMC Yukon, Alternator Replacement