2002-2007 Buick Rendezvous Quarter Glass: OnStar Antenna and Leak Guide
This guide covers the critical differences in Rendezvous quarter glass, focusing on the OnStar antenna variation that every buyer must know about before purchasing a replacement.
- The most critical factor is identifying if your vehicle needs the quarter glass with the integrated OnStar antenna; the two versions are not interchangeable.
- This is a urethane-set (glued-in) glass, making replacement difficult for DIYers. Professional installation is highly recommended to prevent leaks.
- Failure is typically obvious (breakage) or subtle (water leaks, wind noise from a failed seal).
- No specific recalls or TSBs exist for Rendezvous quarter glass; issues like leaks are usually due to age or prior installation errors.
Symptoms of a Failing Quarter Glass
Unlike a complex mechanical part, quarter glass failure is usually straightforward. However, the symptoms can range from obvious to subtle.
- Visible Breakage or Cracks: The most common failure is from an impact, like from a rock or attempted theft. Because the glass is tempered, it will typically shatter into many small, pebble-like pieces rather than large shards. Stress cracks, which can form over time from body flex, are also possible and usually start from a corner.
- Water Leaks: A failed seal around the encapsulated glass will allow water to enter the rear cargo area. You might notice damp carpets, water stains on the interior trim panels, or a musty smell inside the vehicle.
- Wind Noise: If the adhesive seal is compromised, you may hear a whistling or rushing sound from the rear of the vehicle at highway speeds.
- Poor OnStar Reception: If your Rendezvous is equipped with the OnStar antenna in the quarter glass, a failure in the glass or its connections can lead to poor or non-existent OnStar service. This is a key indicator that you have the antenna-integrated version.
Buying a Used 2002-2007 Rendezvous Quarter Glass: What to Check
Purchasing a used quarter glass is a great way to save money, but careful inspection is crucial. The Buick Rendezvous has one major compatibility trap you must avoid.
The #1 Most Important Check: OnStar Antenna
Warning: Two different types of quarter glass were made for the 2002-2007 Buick Rendezvous: one for models WITH the OnStar antenna integrated into the glass, and one for models WITHOUT it. These parts are not interchangeable. Before purchasing, you must visually inspect your existing glass to confirm which version you have.
Look closely at your current quarter glass, typically on the passenger side. If you have the OnStar version, you will see very fine, thin lines or a small black box embedded within or attached to the glass—this is the antenna. The non-antenna version will be plain glass with no such markings. Installing a non-antenna glass on an OnStar-equipped vehicle will disable the system. Always match the replacement part to your vehicle's original configuration.
Physical Inspection Checklist
When inspecting a used quarter glass, check the following:
- Scratches and Chips: Run your hand over the surface to feel for deep scratches or nicks that could compromise its strength or appearance.
- Delamination: Inspect the edges of the glass. Cloudiness or separation between the glass and the encapsulated rubber molding indicates delamination, which can lead to future leaks.
- Molding Condition: The rubber encapsulation should be free of major cracks, brittleness, or chunks missing. A damaged molding will not seal properly against the vehicle body.
- Leftover Adhesive: Ensure most of the old urethane adhesive has been removed from the mounting surface, as this will make installation easier.
Known Issues, TSBs, and Recalls
Searches of the National Highway Traffic Safety Administration (NHTSA) database and Technical Service Bulletins (TSBs) did not reveal any recalls or service bulletins specifically for the quarter glass on the 2002-2007 Buick Rendezvous. While several recalls exist for this vehicle for issues like fuel tanks and airbags, none pertain to the side glass spontaneously breaking or leaking from the factory. Most reported issues, such as water leaks or wind noise, are typically attributed to the natural aging of the adhesive seal or damage from a previous improper installation rather than a manufacturing defect.
Replacement Cost & Difficulty
Installation Details
Replacing the quarter glass on a Buick Rendezvous is a job for an experienced DIYer or a professional. The glass is held in place with strong urethane adhesive, not bolts or clips. 🎬 Watch: How to replace a smashed glued-in quarter window Removal requires specialized tools like a long knife or cold knife to cut through the old adhesive without damaging the vehicle's paint or body. 🎬 See how to remove quarter glass without special tools Proper installation involves cleaning the body surface, applying a new bead of urethane, and setting the new glass assembly correctly to ensure a watertight seal.
Pro Tip: Because proper fitment is critical to prevent leaks and wind noise, using an OEM or high-quality used OEM part is highly recommended over a cheap aftermarket alternative that may not match the body contours perfectly.
| Item | Estimated Cost |
|---|---|
| New OEM | $170 - $250+ (if available) |
| New Aftermarket | $75 - $150 |
| Used OEM | $50 - $120 |
| Shop Labor | $100 - $200 |
Frequently Asked Questions (FAQ)
Can I replace the Rendezvous quarter glass myself?
It is possible, but not recommended for beginners. The process involves cutting out the old glass with specialized tools and using urethane adhesive to install the new one. Mistakes can easily lead to water leaks, wind noise, or a broken new window. For most people, professional installation is the safer choice.
How do I know for sure if my quarter glass has the OnStar antenna?
Look closely at the glass itself. The antenna version will have visible fine grid lines or a small black module attached to or embedded in the glass. The standard version will be clear glass with no electrical components. If in doubt, compare it to photos of both types online or consult a glass professional.
Will the tint on a used quarter glass match my other windows?
The Buick Rendezvous came with factory privacy tint on its rear windows. When buying a used OEM quarter glass, the tint should be a perfect match to your other factory-tinted windows, as it is integral to the glass itself and not a film.
My quarter glass isn't broken, but it leaks. What's the fix?
A leak indicates the urethane seal has failed. Unfortunately, simply applying sealant over the old seal is a temporary fix at best. The proper repair involves removing the glass, cleaning both the glass and the vehicle body, and reinstalling it with a fresh application of urethane adhesive.
🎬 Watch: How to find and fix common rear water leaksHelpful Videos
Technical Specifications
OEM Part Numbers: 10310149 10320748 10320749 10422833 19120417
Encapsulated, tempered safety glass. Available with or without integrated OnStar antenna. Features solar-controlled, factory privacy tint.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Buick Rendezvous:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Symptoms of a Failing Quarter Glass
- Buying a Used 2002-2007 Rendezvous Quarter Glass: What to Check
- The #1 Most Important Check: OnStar Antenna
- Physical Inspection Checklist
- Known Issues, TSBs, and Recalls
- Replacement Cost & Difficulty
- Installation Details
- Frequently Asked Questions (FAQ)
- 🎟️ Get 5% Off