1. Exterior Handle Won't Open the Door:
* Problem: The most common issue is a broken linkage connecting the exterior handle to the interior mechanism. This linkage can break, become disconnected, or bind.
* Solution:
* Access: You'll need to remove the interior door panel. This usually involves removing screws around the armrest, door handle, and sometimes under the door pull. Consult a repair manual specific to your S-10 year for exact locations.
* Inspection: Once the panel is off, you'll see the linkage connecting the exterior handle to the locking mechanism. Inspect it for breaks, bends, or disconnections.
* Repair: If the linkage is broken, you'll likely need to replace it. These are relatively inexpensive and available at auto parts stores. Reassembling is the reverse of disassembly. Make sure the linkage is properly seated in all its connection points.
* Alternative (sometimes): Lubricating the linkage with WD-40 or a similar lubricant *might* temporarily fix a binding problem, but a broken linkage will require replacement.
2. Interior Handle Won't Open the Door:
* Problem: This could be due to a broken linkage (similar to the exterior handle issue), a problem with the actuator (the mechanism that unlocks the door), or a problem with the door latch itself.
* Solution:
* Access: Same as above – remove the interior door panel.
* Inspection: Examine the linkage connecting the interior handle to the latch mechanism. Check for breaks or disconnections. Also, inspect the actuator. It may be broken or jammed. The latch itself may also be damaged.
* Repair: Repair or replace broken linkages. If the actuator is faulty, it will likely need replacement. A damaged latch may also require replacement.
3. Handle Feels Loose or Wobbly:
* Problem: The handle's mounting screws may be loose or stripped.
* Solution:
* Access: Remove the interior door panel.
* Repair: Tighten any loose screws. If the screw holes are stripped, you might need to use longer screws or repair the holes with wood glue and toothpicks (for wood-based panels) before reinstalling the screws. In extreme cases, you may need to replace the handle assembly itself.
4. Key Doesn't Work (External Lock Cylinder):
* Problem: The lock cylinder may be worn, jammed, or broken.
* Solution: You'll likely need to replace the lock cylinder. This requires some mechanical skill and potentially specialized tools. It's often best to take this to a locksmith or auto repair shop.
Important Considerations:
* Repair Manual: A repair manual specific to your 1995 Chevy S-10 is invaluable. It will show you exactly how to remove the door panel, identify the parts, and guide you through the repair process.
* Parts: Get the correct replacement parts from an auto parts store. Provide them with your vehicle's year, make, and model.
* Safety: Disconnect the negative battery terminal before starting any electrical work to avoid short circuits.
If you're not comfortable working on car doors yourself, it's best to take your S-10 to a qualified mechanic. Attempting a repair without the necessary knowledge and tools could potentially cause more damage.
