How to Replace a Windshield Wiper Gearbox Assembly

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Average rating from 7 customers who received a Wiper Gearbox Replacement.

A wiper gearbox assembly is a mechanical device that transfers power from the windshield wiper motor to the wiper arms. Commonly manufactured from stamped steel components, the wiper gearbox assembly is typically composed of two or three sections, with some assemblies using four sections of linkage to complete the system. The wiper gearbox assembly is designed in such a manner that the linkage drives the wipers through a full sweeping motion across the windshield when in use.

Part 1 of 2: Removing the old wiper gearbox

Materials Needed

  • Allen set (metric & standard sockets)
  • Assorted pliers
  • Assorted screw drivers
  • Brass hammer
  • Clip remover
  • Combination wrench set (metric & standard)
  • Disposable gloves
  • Emery cloth “sandpaper”
  • Flashlight
  • Metric and standard wrench set
  • Pry bar
  • Ratchet (3/8 drive)
  • Seal remover
  • Socket set (metric & standard 3/8 drive)
  • Socket set (metric & standard 1/4 drive)
  • Torque wrench ⅜
  • Torx socket set
  • Wiper removal tool

Step 1: Removing wiper blades. Now you want to remove your wiper blades in order to gain access to your cowl which is where the window wiper motor lives. You should grab your window wiper removal tool to help release the tension on them so you can remove them and set them aside. The cowl might have some clips holding it down you will need to remove them using a clip remover or any other suitable tool.

Step 2: Remove the old window wiper gearbox. Now you have gained access to the wiper gearbox you can now unplug the wiper motor and also unbolt the wiper gear box assembly. Once you remove that you can then remove the gearbox assembly with motor attached and get ready to remove the motor from the gearbox.

Step 3: Removing the wiper motor from the wiper gearbox. Now you want to remove the wiper motor from the gearbox so you can get ready to reinstall the new wiper gearbox assembly onto the vehicle.

Part 2 of 2: Installing the new window wiper gearbox

Step 1: Install the new window wiper gearbox. Now you want to remount your window wiper motor back onto the wiper gearbox assembly and get ready to place it back into the cowl housing.

Now you want to start bolting it back up to the cowl housing and plug it back in then replace the cowl plastic over the top and re install the clips.

Step 2: Installing wiper arms back on vehicle. Once you have finished installing the new motor and putting the cowl all back together then you want to go ahead and reinstall your wiper arms and wiper blades to the wiper gearbox assembly.

Now you want to tighten them down to the correct torque then you can make sure you put them in the correct location so that when you activate them they will clean your windshield off the proper way if you don't you can always readjust them.

Replacing your wiper gearbox assembly is a very important part of allowing you windshield wipers to function correctly because the gearbox actually is what lets the wiper arms and blades move in there sweeping motion. Without the ability to do that correctly you would not be able to remove water or snow or debris off your windshield therefore not be able to clearly see the road while driving.


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Recent Wiper Gearbox Replacement reviews

Excellent Rating


YourMechanic Wiper Gearbox Replacement Service

Average Rating

4.9/5

Number of Reviews

7

Rating Summary
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Theodore

15 years of experience
1140 reviews
Theodore
15 years of experience
Pontiac G6 - Wiper Gearbox Replacement (Front) - Renton, Washington
It is cordial and he is friendly and funny with a good touch of customer service.
Infiniti G37 - Oil Change - Bellevue, Washington
Knowledgeable. Highly recommend Theo.

Jay

36 years of experience
726 reviews
Jay
36 years of experience
Lincoln Town Car - Brake Pads Replacement (Front) - Rialto, California
Jay did an excellent job on my front brakes. Upon completion, he took the car on a test drive. I drove the car shortly after, and the brakes feel a whole lot better than they previously did.
Mazda MX-5 Miata - Oil Change - Sun City, California
Jay had no problem answering my questions in a way I can understand. I really wanted to learn how to take better care of my car and Jay was patient enough to teach me a few things. I will definitely have Jay come out again.

Horus

10 years of experience
122 reviews
Horus
10 years of experience
Saab 9-3 - Wiper Gearbox Replacement (Front) - San Antonio, Texas
great work

Mark

23 years of experience
116 reviews
Mark
23 years of experience
Saturn Vue - Wiper Gearbox Replacement (Front) - Plainfield, Illinois
Mark was very nice. He was early for the appt and took care of business. I needed an extra part for the vehicle and he promptly made a call and went yo get it. Install went well and everything works.

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