Instead of attempting repairs, you should replace the entire seat belt assembly. Here's why and what you should do:
* Complexity: Seat belts are complex mechanisms. They involve webbing, retractors, buckles, and sometimes pretensioners (which automatically tighten in a crash). You can't easily fix internal problems without specialized tools and knowledge.
* Safety Certification: Seat belts are rigorously tested and certified to meet safety standards. Any repair you attempt voids this certification, putting you and your passengers at serious risk.
* Liability: If a "repaired" seat belt fails in an accident, you could face significant legal liability.
Here's what you should do:
1. Identify the Problem: Determine precisely which part of the seat belt is malfunctioning. Is it the retractor, the buckle, or the webbing? This will help you when ordering a replacement.
2. Find a Replacement: Locate a replacement seat belt assembly specifically for a 1997 Pontiac Montana. You can try:
* Auto Parts Stores: AutoZone, Advance Auto Parts, NAPA Auto Parts, etc., can often help you find the correct part. Provide them with your vehicle's year, make, and model.
* Online Retailers: Sites like Amazon, eBay, and parts-specific websites may also offer replacements. Again, be sure to specify your vehicle's information.
* Junkyards: A junkyard might have a used seat belt assembly, but be wary of its condition and ensure it's in good working order.
3. Professional Installation (Recommended): While some people might attempt installation themselves, it's best to have a qualified mechanic install the new seat belt. They have the expertise to ensure proper installation and function. Improper installation can be just as dangerous as a faulty belt.
4. Check Regulations: Depending on your location, there may be legal requirements or inspections related to seat belt repairs and replacements.
In summary: Don't try to fix a seat belt yourself. The risk is far too great. Replace the entire assembly with a new or used part from a reputable source and consider professional installation to ensure your safety.