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Comments
1) There is not enough pressure between the wiper and the glass to create a trailing edge on the blade.
2) The blade itself is too stiff to bend to create a trailing edge. I find this happens frequently with my '69 van because I rarely use it and the wipers are cheap, old, and sit so long in a leading edge position.
3) There is too much friction between the blade and the glass.
Usually it is some combination of these factors. If anything, applying a glass wax would allow the blade to slide more smoothly across the glass, not create chatter.
Are there wind conditions to consider? Remember that with a glass wax, you're decreasing the boundary layer on the surface of the glass because there is less resistance to wind flow. This is going to increase the air velocity on the surface of the windshield and could lead to chatter if the wipers do not have enough pressure against the windshield to prevent them from being lifted during their travel across the glass. If the blades chatter mostly between their resting position and about 45 degrees, this may be part of the culprit if the problem only occurs while the vehicle is in motion. If lack of contact pressure is the problem, you can try adding air foils to the wiper arms to help press the blades against the glass but they can exacerbate the problem if #2 and #3 are the real culprits.
Just some options to consider rather than looking for a villan......
Thanks!
Jeannine Fallon
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2015 Kia Soul, 2021 Subaru Forester (kirstie_h), 2024 GMC Sierra 1500 (mr. kirstie_h)
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Above 30 mph you don't need wipers, the raindrops just slide off. The wipers WILL chatter.
Jim
Also, I thought that all the late model RSs(post '01 or so?), had the same 2.5 SOHC engines used in all the NA Subarus; but I keep seeing some references to a DOHC 2.5 eng in some of the older RSs. Can someone enlighten me on this point?
TIA.............Terry
'98 RS has the DOHC, '99+ RS have the SOHC.
DaveM
Terry
It also has occured on dry roads with high speed of about 70 and moderate brake application.
I have never encountered this problem with past ABS cars (2000 Mustang GT, 2001 Honda Civic).
To be honest Subies don't depreciate much. You might find a '99 still costs $10 grand, while a new one with a 5 year powertrain warranty can be haggled down to around $17k. I'd just buy new.
dlydrvr: check your tire pressures and make sure they are evenly worn and rotated regularly. AWD are "quirky" in that they have tighter tolerances.
-juice
I don't think it's the tires, they only have a few thousand miles and are monitored for pressure. I have an 04 WRX that has EBD (Electronic Brakeforce Distribution), could that be responsible?
For a sporty car like the WRX, they should have looser tolerances for braking assistance. ABS is kicking way before I need it to.
But people that went with better tires report fewer problems.
-juice
Oh well, to each his/her own. I'd definitely try new/different wiper blades and wiper bows before totally giving up and living with chatter. It's a small investment and easily returned after a quick test.
The RE92s are decent tires... just that they don't have the grip in braking conditions that the brakes are over powering them, hence lock-up and ABS kicks in.
-Dave
There is a remote possibility that there is a functional problem with your braking system. In addition to the ABS, there are some proportioning valves. Maybe excess pressure is routed to one wheel? Any idea if it is always the same corner locking first? You would have to ask someone to drive along side, or check the skid patch marks while braking in an empty parking lot or the like to be sure.
Steve
-juice
Wait to use the wipers only when there is rain on the windshielf. Turning it on when it's dry is like nails-on-the-chalkboard. ;-)
-juice
-mike
Many that post claim to be easy on the brakes. Does that possibly mean they lightly ride the brakes or use them softly which causes pad/rotor contact for a longer period of time. more heat? Could that be worse than a good firm application of the brakes? I don't know...just wondering.
I'm not sure where Robert's Creek is, but I'm guessing that you don't have easy access to another dealer. Reading back on your saga with the CEL for the gas tank sensor, I would be starting to suspect that your service guys aren't that capable ... or honest.
Hope this helps,
Owen
I concur with timo43, never experienced being so close to needing new pads at this low kilometres before. Strange thing is at last service front had 5% more remaining than rears.
Timo43 where do you manage to get the 42000km service for $40, my oil change services are always a few cents short of $80 - Canadian of course
Gordon
-mike
Thanks for your comments, jay 24-- I think I am not particularly gentle or hard on the brakes, and know I do not ride them.
ozman62, it is an automatic, as is our other car (the one that did not need pad until closer to 100k kilometers, and was furthermore driven in the city a lot-- way more stop and go. They said 10-20 % remaining-- there was no alert squealing (familiar with that one). The invoice says they replaced a 'broken front right caliper slide pin ($47.50)-- should that have been warranty work for sure? The service centre is in Vancouver, and is reputed to be pretty good-- but, you are right, it sure took them a long time to figure out the CEL.
gord7-- thanks for your comments. Checked my records. It was during our trip across Canada where a minor service was only $42-- Nova Scotia. Turns out that the minor services also cost almost $80 in Vancouver. Wishful thinking on my part-- too bad, Nova Scotia is a little far to drive for a service.
Thanks paisan-- how can I get confirmation that the caliper should have been covered? I asked the service manager at the time, because they apparently broke it, and I was surprised to be charged... but he said not a warranty item.
Anyone have any ideas for a better tire for WRX? (under $150 a piece)..
Agree fully, and I'll submit my brakes as a good example - 69k miles on the original pads! And I've towed, gone off road, and drive hard once in a while.
If any brake should have failed early, it should have been mine. Especially given I've towed 1500 lbs without trailer brakes (recommended limit is just 1000).
Sliding in turns, you think a wheel bearing could be bad? Do you hear any noise?
-juice
I have been hearing of some standard problems with the Forester. Someone posted on another forum about leaky head gaskets and now on this one there seems to be a thread about early brake wear. This is dissappointing since I had a Subaru 9 years ago that I never had to change the brake pads in the 120,000 miles that I owned it (and yes I had it checked every tire rotation at 7,500 miles).
Only common complaint is "Hal" the contrary autoclimate control, but is yours an X,XS, or XT?
John
AFter applying it, how long does it need to dry?
Thanks for the help.
Susie
Yes, it was hard for me to decide on what car to buy. I looked at the RAV4, CR-V and even the Matrix before I decided that the Forester had evrything that I wanted. So far it seems like the right choice.
I tried to reply to your post on Friday, but it looks like the server update ate my entry.
At only one year old and with 26k miles, nothing like caliper pins or bracket bolts should break on a routine service. Assuming this was performed at an authorized Subaru dealership, anything that breaks, whether it be due to metalurgical failure or ineptitude by the mechanic, should be fully covered. The only thing you should have received was an explanation and an apology.... I suggest that you contact the dealership management, or the district office if you aren't reimbursed.
Steve
In fine print under the basic 36,000 mile warranty, Forester, brake pads are covered!
My pads were down to 10% after just 35,000 of gentle braking. I got my dealer to do it under warranty and saved $200.
http://www.imagestation.com/album/?id=2627330093&congratulati- - on_page=Y
Thrown in a pic to show off the add on stainless steel exhaust tips.
Cheers,
Jay
Craig
I have a 2000 OB with 65,000 miles on it. It started this squealing noise coming from the left front wheel the other day. It happens at all speeds as far as I can tell. It's not the brakes because I just changed them 3k ago. Maybe a wheel bearing needing some lube?
Eric
I have a 2000 OB with 65,000 miles on it. It started this squealing noise coming from the left front wheel the other day. It happens at all speeds as far as I can tell. It's not the brakes because I just changed them 3k ago. Maybe a wheel bearing needing some lube?
Eric
Elissa
Craig
Thanks,
Eric
-juice
-juice
If it is a sraping sound / squeal, then perhaps there is a small stone caught in your brake calipers on that wheel.
-Brian
Has anyone else had a similar problem?