Toyota 4Runner Window Motor Guide: Troubleshooting and Replacement for 1992-1999
If your 2nd Gen 4Runner's window is slow, stuck, or noisy, this guide will help you diagnose and fix the problem.
- Diagnose first: Window problems on a 2nd Gen 4Runner can be the motor, regulator, switch, or wiring. Check fuses and the driver's door ground wire before buying parts.
- The rear tailgate window has unique issues; check the control relay and wiper position before assuming the motor is bad.
- You can replace just the motor. The motor unbolts from the regulator, which can save you money if the regulator track is still in good shape.
- Aftermarket motors from brands like Dorman are a cost-effective solution and often come with a lifetime warranty, providing good value for this model year.
Is Your 4Runner's Window Motor Failing?
On a 1992-1999 Toyota 4Runner, window problems are common, but it's not always the motor's fault. These trucks are known for a few specific issues. Before you buy a new motor, it's important to figure out what's really going on. The main signs of a failing motor itself include slow operation, the window stopping midway, or a grinding noise from inside the door when you press the switch. If you hear the motor running but the window doesn't move, the problem is likely the window regulator, not the motor.
Special Note: The Rear Tailgate Window
The rear window on the 2nd Gen 4Runner is a common trouble spot. If it stops working, the cause is often a faulty control relay located behind the driver's side cargo area panel, not the motor itself. Another common issue is the rear wiper not being fully in its 'parked' position, which prevents the window from operating as a safety feature. Always check these two things before replacing the rear window motor.
🎬 See how to install a new tailgate window lift motor.Common Problems and How to Diagnose Them
- Window is slow or gets stuck: This is a classic sign of a weak motor that is wearing out. It can also be caused by old, dry window tracks that need cleaning and lubrication.
- Window doesn't work at all, no noise: If you press the switch and hear nothing, the problem could be the motor, the switch, a blown fuse, or a bad wire.
- Only passenger/rear windows don't work from the driver's master switch: This is a very common issue on these 4Runners. It is frequently caused by a broken or corroded ground wire inside the flexible rubber boot between the driver's door and the vehicle body.
- You hear a 'click' but nothing happens: This often points to a bad relay, especially in the case of the rear window. For the door windows, it could mean the motor is seized.
Pro Tip: Test Before You Replace
Before ordering parts, take the door panel off and use a test light or multimeter to check for power 🎬 Watch this video for help with door panel removal and diagnosis. at the motor's connector when you press the switch. If you have power but the motor doesn't run, you've confirmed the motor is bad. If you don't have power, the problem is upstream in the switch, wiring, or fuse.
Choosing the Right Aftermarket Window Motor
For a vehicle of this age, an aftermarket motor is a practical and affordable choice. The original Toyota motors were high quality, but new OEM parts can be expensive and hard to find. Aftermarket brands offer a good balance of price and performance for daily use.
| Brand | Our Assessment | Price Tier |
|---|---|---|
| Dorman | A widely available and popular choice. Quality is generally considered decent for the price, and many of their parts come with a limited lifetime warranty, which is a major plus. They are a reliable option for a daily driver. | $$ |
| Cardone (New) | Cardone offers both new and remanufactured parts. While their new parts are a viable option, be cautious with their remanufactured motors. Some owners have reported issues with the quality of remanufactured units from this brand. | $-$$ |
| Surtrak Axle | Primarily known for drivetrain parts, Surtrak also offers some window assemblies. They are typically positioned as a budget-friendly option. Expect basic, no-frills performance that gets the job done. | $ |
Frequently Asked Questions (FAQ)
Do I need to replace the window regulator at the same time?
Not necessarily. On the 1992-1999 4Runner, the motor can be unbolted from the regulator. If your regulator (the metal track assembly) is not bent or broken, you can save money by replacing only the motor. If the window makes grinding or popping noises, or seems to be off its track, you may need to replace the whole assembly.
Is replacing the window motor a difficult job?
It is a DIY-friendly job for someone with basic mechanical skills. You will need to remove the door panel and carefully work inside the door. The most common tools required are a Phillips screwdriver, a 10mm socket, and a trim panel removal tool. Plan for about 1-2 hours per door.
🎬 Watch this step-by-step guide to replacing the motor and regulator.My windows stopped working after I changed the battery. Is it the motors?
No. If this happens on a newer vehicle, it's usually because the 'auto up/down' feature needs to be reset. For the 1992-1999 4Runner, this feature is less common, but a sudden electrical change can sometimes blow a fuse. Always check the fuses in the driver-side kick panel first after any electrical work.
Why does my rear window only go down with the key, not the switch?
This is another common electrical issue. It can be a problem with the switch on the center console, the wiring to that switch, or the rear window control relay. Since the key works, you know the motor and regulator are functional.
Helpful Videos
Technical Specifications
OEM Part Numbers: 85720-35010 85710-35010 85720-35160 85710-35050
For the 1992-1999 Toyota 4Runner, the window motor is a separate component from the window regulator. It is typically held to the regulator by three screws (often T25 Torx or Phillips). The motor uses a 2-pin electrical connector. It is crucial to order the correct motor for the specific door (Front Left, Front Right, Rear Left, Rear Right, or Tailgate) as the mounting and gear orientation can differ.
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.
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