Is there really a difference in wiper blades?

Dear Car Talk:

Are there any benefits, other than bragging rights, to purchasing premium wiper blades, as opposed to the $5.99 kind? Thanks. – Bill

RAY: The bragging rights are big, Bill. I know we’ve all experienced the pride of driving up to our college reunion with a pair of premium wiper blades.

There actually is an advantage to buying better-quality wiper blades, Bill: they work better.

In our experience, there’s nothing better than the original-equipment (OEM) wiper blades that are sold by the dealer – they were designed to work on your specific windshield. The OEM blades tend to fit better. The spring mechanism that keeps the rubber edge pressed against the windshield is of higher quality, and keeps the blades from streaking or hopping. The rubber composition also tends to be better, leading to a clearer windshield and longer life (longer life for the blades, that is. There have been no studies yet that correlate better windshield wipers with human longevity).

Our customers who buy the $5.99 blades from some of the discount auto-parts stores find that they can’t see as well in the rain, and the blades don’t last as long.

Now, some of the OEM blades seem ridiculously expensive. OK, they are ridiculously expensive. My wife has a Volvo, whose blades cost north of $30 each at the dealership. But they work great and always allow her to see clearly out of the car. And is there anything more important than that? When they get dirty, I wipe them down with some alcohol, and they work great again.

If you don’t want to buy the OEM blades, you can try replacement blades from reputable companies, like Bosch or Anco. But keep in mind that a lot of those replacement blades will require you to use an adapter to fit the blade onto the metal wiper arm. It’s certainly doable, but you’ll have to monkey around to make it work. And if you mess it up, and the blade falls off, you could put some nice gouges in your windshield.

You never can go wrong buying the OEM stuff. Check online for the genuine parts, and compare pricing to your local dealership’s parts department.

So, unless your address includes the words “Mojave” and “desert,” Bill, I recommend that you skip the $5.99 blades.

No shortcut ‘switch’ for getting engine to warm up faster

Dear Car Talk:

I have a car-related question that’s been bothering me for a while. I was born and raised in a place where heat was far more of an issue than cold, so I grew up learning that at high temperatures, using the heater for the passenger compartment could be used to cool the engine if it started heating up too much. Now that I’ve moved to a place where it snows, I’m being told that when it’s cold, using the heater actually will warm the car faster, because the thermostat will request more heat from the engine, causing it to come up to temperature faster. True? Thanks! – Patrick

RAY: False. You’re welcome.

The first part is true. The heater is, essentially, a smaller radiator that lives behind your dashboard. And when you turn it on, you draw heat away from the engine and into the passenger compartment.

If the engine is starting to overheat, adding even a small extra radiator will help cool the engine – even if it ends up melting your Crocs.

But contrary to your wishful thinking, Patrick, drawing heat away from the engine will not make the engine warm up any faster. There’s no “switch” or “thermostat after-burner” setting that commands the engine to warm up faster if you ask for heat. It’s always warming up as quickly as it can.

So if your primary goal in life is to get heat as quickly as possible, your best bet would be to start the engine and, with the heat off, drive away immediately (driving warms up the engine faster than idling). And then check after a couple of minutes. When the air coming out of the vents is no longer colder than the air in the car, leave the heat on. Or, if you’re lucky enough to have a temperature gauge on your dashboard, then just turn on the heat as soon as the temperature needle moves at all.

By the way, most cars that have climate control do this for you automatically. They’ll let the engine start to warm up and wait until there is heat before they start blowing any kind of air on you.

Now, once you turn on the heat, you’ll cause the engine to take a little longer to get to its full operating temperature. But when your frozen butt cheeks are teetering on the folds of your rock-hard leather seats, who cares about the engine?

It’s true, the engine won’t run at its most efficient until it reaches full operating temperature, but you won’t harm your engine by delaying its warmup a little bit – especially if you’re driving it gently.

After all, you’re an American, Patrick. And as such, you are entitled to life, liberty, the pursuit of happiness, and automotive heat at its first available moment. Claim those rights.

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