EUREKA!...Fixed my whining windshield wiper motor
09-24-2002, 10:43 PM
#1
Pro
Thread Starter
Join Date: Nov 2001
Location: Tampa, FL
Posts: 606
Likes: 0
Received 0 Likes
on
0 Posts
EUREKA!...Fixed my whining windshield wiper motor
After disassembling and cleaning my wiper arm posts, my wiper motor still made a LOUD whining noise. The noise would start when the wipers were first turned on, last a little while, and then stop....and then start again a few minutes later: SOUND FAMILIAR?
Well, I finally found a easy fix to this problem; and it works!
1. Remove the rubber weather strip that lines the top of the firewall.
2. Lift the front of the large black plastic cover that covers the fan blower/wiper motor.
3. Remove the black plastic cover that fits around the wiper motor. You will see a wire cluster that leads to the top of the motor covered in epoxy. These wires run through an irregularly shaped metal plate (2"x4")that covers the top of the motor.
4. Carefully remove the gold flathead screws that hold the plate to the motor. You will notice that all can be removed by using creative measures except for the top one that is wedged under the windshield. That is normal and will not be necessary to remove.
5. Now, carefully use a wide flathead screw driver and pry up the cover. Wedge the screwdriver under the cover just enough to get a applicator straw inside the opening.
6. Using a good, thick penatrating lubricant like PB Blaster (Autozone) spray a generous amount inside of the opening. This will lubricate the worm drive shaft that comes out of the motor, drive gear, and all associated bushings/bearings. No electronics will be affected, so don't worry!
7. Next, remove the screw driver (important) and run the wiper at high speed to allow the fluid to penatrate fully.
8. Reassemble
Note: Do not operate the motor with the screwdriver wedged under the cover, it will be in contact with the worm gear. Take this opportunity to clean the grounding contacts to the wiper motor.
Approx. Time: 20mins
Approx. Improvement to Car: 5HP
<img src="graemlins/beerchug.gif" border="0" alt="[cheers]" />
Well, I finally found a easy fix to this problem; and it works!
1. Remove the rubber weather strip that lines the top of the firewall.
2. Lift the front of the large black plastic cover that covers the fan blower/wiper motor.
3. Remove the black plastic cover that fits around the wiper motor. You will see a wire cluster that leads to the top of the motor covered in epoxy. These wires run through an irregularly shaped metal plate (2"x4")that covers the top of the motor.
4. Carefully remove the gold flathead screws that hold the plate to the motor. You will notice that all can be removed by using creative measures except for the top one that is wedged under the windshield. That is normal and will not be necessary to remove.
5. Now, carefully use a wide flathead screw driver and pry up the cover. Wedge the screwdriver under the cover just enough to get a applicator straw inside the opening.
6. Using a good, thick penatrating lubricant like PB Blaster (Autozone) spray a generous amount inside of the opening. This will lubricate the worm drive shaft that comes out of the motor, drive gear, and all associated bushings/bearings. No electronics will be affected, so don't worry!
7. Next, remove the screw driver (important) and run the wiper at high speed to allow the fluid to penatrate fully.
8. Reassemble
Note: Do not operate the motor with the screwdriver wedged under the cover, it will be in contact with the worm gear. Take this opportunity to clean the grounding contacts to the wiper motor.
Approx. Time: 20mins
Approx. Improvement to Car: 5HP
<img src="graemlins/beerchug.gif" border="0" alt="[cheers]" />
