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Driver Side Windshield Wiper Arm

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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Re: Driver Side Windshield Wiper Arm

Post by xHeart »

April showers are here. The new pair of Volvo wiper arms are fabulous.
I like comparing parts before installing. After the arms were fully seated. Ran it. Turned-off, and tighten the nut down 1/2 thread at a time to remove any wrinkle/shake on return. You should see it smooth out on third tightening.
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Re: Driver Side Windshield Wiper Arm

Post by viper69 »

I may got with a new arm then. I just don't know.

What do people think of Volvo's new (to me) Volvo for Life Plan, in general that is?


Maybe I'll get my arm replaced by the dealer, so when the new one goes bad, they have to replace it for free! That might be something worth doing.
Volvo 850 GLT 1995

5 Speed Manual transmission

122,500 miles and barely broken in

Previous:
'82 Volvo DL Wagon, 4 speed manual
'77 Saab 99 EMS, 4 speed manual
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dosbricks
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Re: Driver Side Windshield Wiper Arm

Post by dosbricks »

The problem is caused by the angle of the shaft distorting (wiper motor housing twists with age) just as much as the weakening of the of the arm causing the wiper arm to change geometric s. Notice it is always the driver side arm that is the problem, not the passenger side where the motor mechanism/housing is more robust. So a new arm is not going to make the wiper system like new.

Grinding the nubs is a cheap, easy, even repeatable process--BTW, still on my original grind after two years. But if throwing money at a problem makes one feel better that is always ones prerogative. :wink:
'98 S70, 230k, purchased new in '98
'96 855 GLT, 163k, purchased lightly used in '99
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Re: Driver Side Windshield Wiper Arm

Post by viper69 »

dosbricks wrote: Sat May 06, 2017 7:09 pm The problem is caused by the angle of the shaft distorting (wiper motor housing twists with age) just as much as the weakening of the of the arm causing the wiper arm to change geometric s. Notice it is always the driver side arm that is the problem, not the passenger side where the motor mechanism/housing is more robust. So a new arm is not going to make the wiper system like new.

Grinding the nubs is a cheap, easy, even repeatable process--BTW, still on my original grind after two years. But if throwing money at a problem makes one feel better that is always ones prerogative. :wink:
True only driver side is the problem child. I thought someone else said that grinding it down is only a longer "solution"? If that's the case, I could have Volvo replace it, and w/their Volvo for Life program, they'd have to replace it for free forever.

For grinding, I still don't have a good idea of how much to grind despite looking the pictures and my car. I'm a visual learner and this is something I'd pick up by doing, not so much by reading.
Volvo 850 GLT 1995

5 Speed Manual transmission

122,500 miles and barely broken in

Previous:
'82 Volvo DL Wagon, 4 speed manual
'77 Saab 99 EMS, 4 speed manual
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misha
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Re: Driver Side Windshield Wiper Arm

Post by misha »

Don't bother to grind it,you will get nothing.I tried and it got worse than before.
All i said stands for flat wipers,standard ones are wiping excellent before and after grinding the arm.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
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Re: Driver Side Windshield Wiper Arm

Post by erikv11 »

misha wrote: Mon May 08, 2017 3:24 pmDon't bother to grind it,you will get nothing.I tried and it got worse than before. ...
It's clear from reading the thread that grinding works for some people but not for others.

I never understand posts like this, they are strangely pretty common in the forums: even the most experienced people sometimes make statements that basically say "well I looked at one car, and this is what I saw, so it will always be that way ... " It's counter to the whole point of a forum, to listen to what other people have to say, have a conversation.

viper69 wrote: ... For grinding, I still don't have a good idea of how much to grind despite looking the pictures and my car. I'm a visual learner and this is something I'd pick up by doing, not so much by reading.
I think you're not alone on this. I would just dive in now. Start by grinding off a little bit, just a few mm. Observe the surfaces and how removing material should change the angle of the wiper blade. If that first pass does nothing then grind some more. Or if that fixes it or makes it worse, then stop.
'95 854 T5-R, Motronic 4.4, 185k
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Re: Driver Side Windshield Wiper Arm

Post by abscate »

On our camper forum, the funniest thread was the one about "Does cooking in your car create odors?"

50% of the posters insisted they could deep fry chicken and onions without having cooking odors in their car.

OT, I just finally got my driver arm wiper to wipe the whole WS without hitting the A pillar for the first time in 3 years.
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Re: Driver Side Windshield Wiper Arm

Post by dosbricks »

erikv11 wrote: Mon May 08, 2017 4:21 pm
misha wrote: Mon May 08, 2017 3:24 pmDon't bother to grind it,you will get nothing.I tried and it got worse than before. ...
It's clear from reading the thread that grinding works for some people but not for others.

Start by grinding off a little bit, just a few mm. Observe the surfaces and how removing material should change the angle of the wiper blade. If that first pass does nothing then grind some more. Or if that fixes it or makes it worse, then stop.
Just 1-2mm should do it. It only minutely changes the angle of the wiper arm against the windshield. What it does do is let the arm press against the windshield with slightly more force (depending on how much is ground off) resulting in a clean wipe.
'98 S70, 230k, purchased new in '98
'96 855 GLT, 163k, purchased lightly used in '99
Onceuponatime RIP '69 Shelby GT500 w/7.0 liter
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Re: Driver Side Windshield Wiper Arm

Post by xHeart »

erikv11 wrote: Mon May 08, 2017 4:21 pm
misha wrote: Mon May 08, 2017 3:24 pmDon't bother to grind it,you will get nothing.I tried and it got worse than before. ...
It's clear from reading the thread that grinding works for some people but not for others.
Grinding doesn't work on 1997 850.
Replace the arm, and enjoy the downpour while driving through the storm on I-35, OK - TX.
I can drive in April Showers year-round now.
--
Golden Retriever | 2014D VIDA DiCE | 2013A XC90 +144mi/231km | 2001 V70XC 1st Owner +200mi/ +322km | 1997 Volvo 850 NA 1st Owner +180mi/ +289km
Past: German Shepherd | 1989 Volvo 740 GL | 1979 Volvo 240
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