When we are expecting snow storm and the vehicle is parked, do we pull out the wipers so they don’t touch the glass to avoid the freezing to the windshield? Or would that hurt the springs in the wiper and make them weaker for future use?
Regarding the effect of raising the wiper arms on the wiper arm springs: raising the wiper arms will not make the springs weaker for future use.
The only way that the springs could produce reduced force when the wiper arms are returned to their normal position is if the springs took a permanent "set" from being stretched. This can only happen one of two ways:
- The springs were stretched beyond their material yield point and therefore experienced plastic deformation, which is permanent
- The springs experienced significant material "creep", which can happen below the yield point
Both of these scenarios are extremely unlikely in the case of wiper arm springs. The wiper arms are designed to be raised and lowered, and the springs will stay well below the yield point throughout their range of motion, so point 1 does not apply. As for creep, this is a LOOONG term phenomenon, and would occur to some extent even when the wiper arms are down (the stretch of the springs isn't all that different between the up and down positions), so point 2 does not apply.
Therefore, feel free to put your wipers up. It won't hurt your springs.
For what it's worth, I grew up in a very snowy region, and it wasn't until I moved out of the serious snow belt that I started to see masses of cars with their wipers up in parking lots. I actually think it's kind of funny. I personally have no problems cleaning my windshield with the wipers down.
I live in Canada where we got often snow storm or freezing rain during winter, I never lift my wipers blades. It's clearly unnecessary for a snow storm, as you remove the snow from your car prior of activate your wipers.
But I can see my neighbors lifting theirs when freezing rain is forecasted, some even put cardboard on the windshield to avoid scraping the ice. When it's happen, I start the car, start scrapping the windows and the heat will melt ice around the wipers (some cars have windshield wiper defrosters). I make sure that my wipers blade are clean of any ice and I'm set to go.
When one lives in places where it snows, even occasionally, they quickly learn to lift the wipers. If you go to a ski resort when the inclement weather is expected, you would see half of the vehicles with wipers pulled up. The other half are either do not have wipers that can be fixed up (in that case one is still advised to separate them from the glass somehow), or they are going to regret it when temperatures hit below freezing after the wet snowfall.
In my experience, doing so never had any noticeable negative implication on the wiper arm spring. In fact, I have not seen any car, new or old, whose wiping performance suffered when the new wipers were attached.
In case the wipers do get frozen to the windscreen, one must take extreme care not to tear them off as it could be done really easily, especially when the rubber is more brittle from the cold. The best solution sometimes is to pour warm water on them, if available. And if your car is covered in snow or ice, always check the wipers by hand as you clean it off, before using the wiper motor.
My strong advice: NEVER EVER POUR WARM WATER ON A COLD WINDSHIELD! (I speak from experience. This can break the windshield.)
There are federal safety standards for defrosting, With that being said if you use your cars defroster, your better off that way. I am against lifting also. It also could cause snow and ice to become lodged under your wiper arm causing you troubles down the road. With that being said a fair amount of newer vehicles have heated wiper park areas these days, with that you would be defeating the heated wiper park area.
It seems ridiculous to me, if your car is parked outside you still have to clean the wipers, put the heater and defroster on and clear your car of snow before you drive it. In some states you must clear the top of the car before driving it so that the snow doesn't blind the driver behind you as it slides off. Having the wipers up makes them more vulnerable to the elements too, especially if it is a heavy wet snow like we get in the East. If you have them up in a public place it attracts attention and it could very well be the negative kind. I think that people see others doing it and just feel that they should too for no apparent reason (the sheep theory) Well, there you have my opinion.
I would not recommend to pull them away from your windshield during a storm if there is a risk that it will melt and then freeze later (for example if you just drove your car or if the temperature is just below the freezing point but you are expecting sun later).
Doing so may make the snow melt, go in the arm mechanism/spring and freeze there, making it hard to put back in place and reduce the efficiency of the spring if you take the road again, which will have the unfortunate effect of reducing the contact between the blades and the windshield.
The same effect can happen and freeze the blades to the windshield if you leave them in place, so there is no win-win. If a big storm is coming, you can always put cardboard or plastic bags to prevent the snow from falling there and remove them before taking the road.
Up works great for me, the only fear I have is someone vandalizing them from the attention it brings having them up. It makes it easier for me to scrape the window quickly to get on the road faster. It doesn't hurt the wipers having them up. It does, however, keep me from being impatient and ripping them up when frozen to scrape under them.
I live in NH it snows a lot here a lot of the winter season... I don't pull my wipers back, BC I fear rust from all the salt and crud from the roads... I do however, place newspapers between wipers ams windshield and all over windshield to easily remove snow and avoid ice directly to my windshield.
Hope this answer helps!
As far as damaging the springs by raising the wipers, I think your all wrong. Your not stretching the spring beyond its limit, or you would ruin it the first time you changed blades. It would take years of leaving them up before you would even notice the slightest difference in the pressure of the blade against the windshield,Even when the blades are down, the springs are stretched.maybe we should jack up our vehicles every time we park to take the pressure off the suspension springs,or leave our garage doors open all the time so we don't stretch their springs.springs are made to handle this. Thank you
I lift mine, it depends on the vehicle but is really just personal preference.
I have an older lifted truck and it's much easier to have a clean shot at the windows without smacking into wipers with the ice scraper. With wipers that sit really low or even slightly below hood level this is less of an issue.
For me it's not about the wipers freezing to the glass as much as it is about easier clearing in the morning.
Lifting wiper blades in winter is completely unnecessary. Start your car, turn heater on the windshield setting and let that melt any ice or snow. People who lift their wipers are just plain losers. It makes people look absolutely weird and I laugh so hard when I see these idiots. To funny. Yes, I live in a snowy area at winter and have never had any problems just by simply letting the heater melt everything away. I've never had to step outside to scrape, that's the wonderful beauty of the heater. It does all the work. Like I said, it looks so corny when people do that.
Lifting wiper blades off the windshield is not smart. It does nothing for you. As for the spring thing, well it is like a pen spring, stretch it and it does not go back to normal, just like car wiper springs. Park car turn wipers off, start car warm it up, clean windshield, and you will never have a problem.
The original spring in the wiper arm is already stretched to the limit of elasticity of the steel in order to apply a pressure on the wiper. By lifting the wiper arm, you have to over stretch this inner spring which will weaken it. It will therefore put a reduced pressure on the blade and give a bad cleaning of the windshield.
While I thought and jotted down my points to give my answer, this link has them already. So I am saving space and sharing it:
I agree to their explanation