1. Diagnose the Problem:
* Handle won't move: This could be due to broken internal linkage, a seized mechanism, or a problem with the actuator (if power-operated).
* Handle moves but doesn't unlock/open the door: Likely a broken internal linkage, a disconnected cable, or a problem with the lock mechanism itself.
* Handle is loose or broken: The handle itself might be damaged, or the mounting screws may be loose or missing.
2. Tools You Might Need:
* Screwdrivers (Phillips and possibly flathead)
* Pliers
* Socket set (might be needed depending on the handle type)
* Needle-nose pliers
* Grease or lubricant (WD-40 for freeing up seized parts, then a proper lubricant afterwards)
* Replacement parts (handle, linkage, cable, etc. – available from auto parts stores or online)
3. Repair Steps (General):
A. Loose or Broken Handle:
1. Remove the interior door panel: This usually involves removing screws around the armrest and possibly pulling off plastic trim pieces. Consult a repair manual for your specific Tahoe model to find the exact procedure. YouTube videos showing door panel removal for similar year Tahoes can be extremely helpful.
2. Inspect the Handle: See if the handle is simply loose. If so, tighten screws that attach the handle to the door mechanism.
3. Handle Replacement: If the handle is broken, you'll likely need to replace it. This usually involves removing the broken handle, aligning the new handle, and securing it with screws.
B. Internal Linkage Problems:
1. Access the Linkage: Once the interior door panel is removed, you should have access to the linkage connecting the exterior handle to the door latch mechanism.
2. Inspect the Linkage: Look for broken or dislocated parts. Sometimes a simple re-alignment is all that's needed.
3. Repair or Replace: If parts are broken, you may be able to repair the linkage with careful manipulation and possibly small parts (though this is often difficult). Replacement might be easier and more reliable. A repair manual will show you the parts and their layout.
4. Lubricate: Once everything is reconnected, lubricate the linkage with grease to prevent future issues.
C. Power-Operated Handles (Less Common in '97 Tahoe):
1. Check the Fuses: Make sure the appropriate fuse isn't blown.
2. Test the Actuator: If you have access to a wiring diagram, you might be able to test the actuator with a multimeter.
3. Actuator Replacement: If the actuator is faulty, it will likely need to be replaced. This is a more advanced repair.
Important Considerations:
* Repair Manual: A repair manual specific to your 1997 Chevrolet Tahoe is invaluable. It will show diagrams and step-by-step instructions. You can often find these online (e.g., Haynes or Chilton manuals).
* YouTube Videos: Search YouTube for "1997 Chevrolet Tahoe door handle repair" or similar. Many videos demonstrate the repair process visually.
* Professional Help: If you're uncomfortable working on your vehicle, consider taking it to a qualified mechanic. Improper repair can lead to further damage.
Remember to always disconnect the negative battery terminal before starting any electrical work. Safety first!