A Comprehensive Guide to the 1999-2005 GMC Yukon Parking Brake Cable
Don't let a stretched or rusted parking brake cable compromise the safety of your Yukon.
- The parking brake system on the 1999-2005 Yukon is known for stretched cables and falling out of adjustment.
- Symptoms include a loose pedal, rolling when parked, or a stuck brake.
- Rust is the primary cause of failure; inspect cables visually for fraying and corrosion.
- For best results, replace rear cables in pairs and consider replacing all related cables if they show wear.
Symptoms of a Failing Parking Brake Cable
A parking brake cable won't usually fail without warning. Because the cables are located under the truck, they are exposed to water, salt, and road debris, making rust and corrosion the most common reasons for failure. Here are the signs to look out for:
- Loose or Spongy Pedal: If the parking brake pedal goes down to the floor with little resistance, the cable has likely stretched and can no longer apply enough force to hold the vehicle.
- Vehicle Rolls When Parked: This is a serious safety issue. If you engage the parking brake and the Yukon still moves, the cable is not working correctly. This could be due to a stretched or broken cable, or worn-out parking brake shoes.
- Parking Brake Won't Release: Rust and corrosion can cause the cable to seize inside its protective sheath. This can leave the parking brake partially or fully engaged, causing a dragging sensation, a grinding noise, and excessive wear on the parking brake shoes. 🎬 Watch: Learn which parts to replace when your brake is stuck.
- Visible Damage: A quick look under your Yukon might reveal a frayed, rusted, or snapped cable. The outer protective housing may also be cracked or broken, allowing moisture to corrode the inner cable.
Known Issues for 1999-2005 GMT800 Platform
The parking brake system on this generation of GM trucks and SUVs is known to be problematic, with many owners reporting that it never worked well, even after replacing parts. The primary issues are stretched cables and the system's tendency to fall out of adjustment. For vehicles with manual transmissions, GM issued a recall (NHTSA Campaign ID: 05V159000) because the parking brake linings could wear to the point of being ineffective. The fix involved installing a redesigned rear parking brake cable assembly on some models. While your automatic transmission Yukon isn't part of this specific recall, it highlights the system's known weaknesses.
Choosing the Right Aftermarket Parking Brake Cable
Your Yukon has a multi-cable system: a front cable from the pedal, an intermediate cable, and two rear cables (left and right). When one fails, it's wise to inspect all of them, as they have been exposed to the same conditions. For a part like this, a quality aftermarket replacement offers a great balance of price and performance.
Brand Quality Tiers
- Premium Aftermarket (ACDelco): ACDelco is GM's official parts brand. Their "Professional" line is generally considered the highest quality aftermarket option, designed to meet or exceed original equipment (OE) specifications. While there are different tiers of ACDelco parts, choosing their premium offering ensures the best fit and longest life, though it comes at a higher price.
- Quality Mid-Range (Raybestos): Raybestos is a well-respected brand in the brake industry. Their cables are a solid choice, offering good quality that is often comparable to OE parts but at a more budget-friendly price. However, some users have reported fitment issues with the clips on certain applications, so careful inspection upon receipt is recommended.
- Value-Oriented (Dorman): Dorman is a popular aftermarket brand known for providing a wide range of parts and sometimes offering improved "OE FIX" designs. For a simple component like a parking brake cable, they are a very common and affordable option. However, some mechanics and users have noted inconsistent quality on more complex parts, so it's often considered a budget-friendly choice.
Pro Tip: Replace in Sets
If one of your rear parking brake cables has failed due to rust or stretching, the other side is likely not far behind. To ensure even braking and save yourself from doing the job twice, it's highly recommended to replace the rear cables as a pair. 🎬 See this walkthrough on how to replace your rear cables. Consider replacing the intermediate and front cables at the same time if they show signs of wear or if your budget allows.
Parking Brake Cable Replacement Cost
The cost to replace a parking brake cable depends on which cable needs replacing and whether you do the work yourself or hire a professional.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Parking Brake Cable (Single) | $29.32 - $96.31 |
| Shop Labor | $120 - $250 |
| Total Professional Replacement (One Cable) | $150 - $350 |
Note: Costs are estimates and can vary based on your location and the specific cables being replaced. Replacing all cables will increase parts and labor costs.
Frequently Asked Questions
How many parking brake cables does my Yukon have?
Your 1999-2005 Yukon has a system of four main cables: one front cable connected to the pedal, one intermediate cable that runs along the frame, and two separate rear cables (left and right) that connect to the brake assemblies.
Can I just adjust the old cable?
On this generation of Yukon, there is very limited adjustment in the cable system itself. The primary adjustment is made at the parking brake shoes 🎬 Watch: How to properly adjust the parking brake on GMT800 trucks. inside the rear rotors. If your cable is visibly stretched, frayed, or seized with rust, no amount of adjustment will fix it; it must be replaced.
Is replacing a parking brake cable a DIY job?
Yes, for a mechanically inclined person with the right tools. The job requires safely lifting and supporting the vehicle on jack stands. It can be a dirty job, and rusted fasteners can make it challenging. Releasing the old cable ends from their mounting points can be tricky, but special tools or even a 13mm box-end wrench can help compress the retaining clips.
Do I need to replace the parking brake shoes at the same time?
It's a good idea to inspect them. If the cables were stretched, the shoes may be worn down from trying to compensate. If a cable was stuck, the shoes on that side could be completely worn out. Since you'll have the rear brakes disassembled to access the cable ends, it's the perfect time to replace the shoes if they are thin.
Helpful Videos
Technical Specifications
OEM Part Numbers: 15941084 18P2907 18P2113 18P96948 18P96947
System consists of a front cable, intermediate cable, and two rear cables (left/right). The parking brake is a mechanical drum-in-hat design integrated into the rear disc brake rotors.
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.
- GMC Yukon: