Windshield Wiper Chatter
#21
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My Ride: 2005 545i Sapphire Black
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This is the correct way to do it! I have had noisy wipers for so many years, and just ignored it since it barely rains in Socal.
I tried the bending of the arm method, but decided that it was a bad idea. I'm sure if you rotate too hard then you could do some damage to the riveted pivots. Then I gave up on this, and now that it's raining I looked up the solution, and found this thread again.
Loosened both bolts and moved the arms to each extreme. Once I figured out which extreme was quieter (for each arm), I then adjusted in one click at a time from there until they were silent. (It works like the tilting adjustment on a bicycle seat for those of you that are familiar)
I still have the original wipers on my car and they are silent and smooth again. Thanks!
I tried the bending of the arm method, but decided that it was a bad idea. I'm sure if you rotate too hard then you could do some damage to the riveted pivots. Then I gave up on this, and now that it's raining I looked up the solution, and found this thread again.
Loosened both bolts and moved the arms to each extreme. Once I figured out which extreme was quieter (for each arm), I then adjusted in one click at a time from there until they were silent. (It works like the tilting adjustment on a bicycle seat for those of you that are familiar)
I still have the original wipers on my car and they are silent and smooth again. Thanks!
I too had this chatter problem, the chatter lasted for a couple months. It started when it started getting cold so I thought it was just the cold weather. However recently they stopped chattering however the middle of the blade was not contacting the windshield, so there was a swath that did not get wiped. I started looking around on this forum for a solution, I found that one should torque the arm with a wrench to correct the angle of attack of the wiper.
The angle of attack is the problem, however I was not about to torque my wiper arm without further investigating the problem. I took off the plastic cover and unbolted the one nut that holds on the wiper arm. The arm looked good to me but I noticed that the mount wiper arm is curved and has notches, which can be used to adjust the angle of attack (I am assuming). I put the wiper blade back on, rotated it to where I thought it should be, tightened it down and test it out. Worked perfectly.
I think what happened was that when it got cold the mount slide one notch over and the chattering started, then I must have tried wiping snow or ice and it moved it a notch or two which really made the problem bad. I tell my gf never to use the wipers to wipe snow or ice, I need to listen to my own advice. Anyways hope that helps some people, let me know if that does not make sense.
The angle of attack is the problem, however I was not about to torque my wiper arm without further investigating the problem. I took off the plastic cover and unbolted the one nut that holds on the wiper arm. The arm looked good to me but I noticed that the mount wiper arm is curved and has notches, which can be used to adjust the angle of attack (I am assuming). I put the wiper blade back on, rotated it to where I thought it should be, tightened it down and test it out. Worked perfectly.
I think what happened was that when it got cold the mount slide one notch over and the chattering started, then I must have tried wiping snow or ice and it moved it a notch or two which really made the problem bad. I tell my gf never to use the wipers to wipe snow or ice, I need to listen to my own advice. Anyways hope that helps some people, let me know if that does not make sense.
#22
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Join Date: Apr 2008
Location: Fremont, CA
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My Ride: 2005 545i
SPF Cobra #1019
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My 1yr old wiper blades started chattering after applying rainx to the windshield. I fixed the problem by using a clay bar to thoroughly clean the windshield, just like I use the clay bar to clean the paint. Worked like a champ.
Also, I agree with cleaning the wiper blade edge with alcohol.
Good luck,
Randy...
Also, I agree with cleaning the wiper blade edge with alcohol.
Good luck,
Randy...
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