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Category Archives: Brakes

Cayenne Barks "For Brakes' Sake" (Brake Rotor Service in Los Altos)

cay

For brakes sake, think of how much abuse your brakes take.  Hi Cayenne here and day in and day out, they stop your vehicle when it's going fast and when it's going slow. Maybe your vehicle has been vibrating when you brake, or maybe it seems like your stopping distance is a little bit longer than it used to be. Then it's time to get your brakes checked out.  After all, you have to be able to stop if you want to be safe.  So let's get barkin' for brakes sake!

Nearly all newer vehicles have disc brakes on the front, and many have that type of brake on all four wheels. That makes it likely you'll be getting disc brakes fixed at some time in your vehicle's lifetime.

Knowing how disc brakes work is as easy as riding a bicycle. If your bike had hand brakes, you'll probably remember a mechanism that squeezed a couple of pads on each side of your bicycle wheel when you applied the brakes. Disc brakes are similar; but instead of the bike wheel, there's a metal disc instead. If that disc is warped or has irregularities in it, it's going to vibrate.

It used to be that rotors were thick, and when they warped, a technician could "turn" them to scrape off a layer of metal so their sides were straight again. The latest vehicles are using thinner, lighter rotors with a slightly different construction. Now, it's likely that rotors that are resurfaced this way will not have enough metal left to work safely. In fact, some manufacturers advise only replacing rotors that are worn out.

Newer designs have reduced rotor prices, and in many cases, the labor cost of turning the rotors is higher than buying new. There are times, though, when your rotors can be resurfaced and still meet manufacturer specifications.

If you have a rotor replaced on one side of your vehicle, it might be a good idea to replace rotors on the other side, too.

Maybe you're looking for the new rotors to last longer than the ones that were on there. New technologies can offer a longer lifespan in a premium rotor. Armed with knowing the type of driving you do, you and your Allied Auto Works service advisor can make the best decision on which direction you want to go with your new brakes.

Now that summer is here, I leave you with this quote.

A perfect summer day is when the sun is shining, the breeze is blowing, the birds are singing, and the lawn mower is broken. ~James Dent, in The Charleston Gazette, as quoted in The Reader's Digest, 1994

Cayenne

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Cayenne Is Putting on the Brakes: Brake Service at Allied Auto Works

cay

STOP, LISTEN, and LEARN!  I am putting on the brakes.  Hey, it's Cayenne, and I am barkin' about brake service today. So take a break, and let's bark about brake service.

When it comes to preventive maintenance and vehicle care, most Los Altos drivers know how important it is to check their brakes. But brakes are more than just brake pads and shoes. There are a lot of components in the brake system, and they all need to be in good working order.

The pads and shoes are known as the friction materials in the brake system. They push together, providing friction that stops the vehicle. It's no wonder they have to be checked regularly for wear, and brake pads and shoes need to be replaced periodically.

Brake pads/shoes gradually wear out, but that doesn't mean your braking gradually becomes less effective. The pads are engineered so that they maintain good braking until they wear too thin to provide adequate friction. At this point, they need to be replaced.

But your braking system also has mechanical parts. These pistons and springs can also gradually wear out or get gummed up by oil, dirt, and other road spatter. A brake inspection at Allied Auto Works in Los Altos includes a check of these parts as well as the pads and shoes. Your friendly and knowledgeable pros at Allied Auto Works can then advise you of any parts that need cleaning or replacement.

The fluid component to the brake system needs a regular check-up at Allied Auto Works as well. The brake fluid cools and protects your brake system. Protective additives are gradually depleted by the operation of the brake system, and moisture buildup inside the fluid can diminish its effectiveness. When you have your brakes serviced at Allied Auto Works in Los Altos, the fluid should be checked and, if needed, replaced, which will clean out water, debris, and dirt.

It is important to remember that your brake system also includes your tires. No matter how well your brake system is performing, if your vehicle tires are worn, you won't get good stopping power. Traction is the power of your tires gripping the roadway. Traction is always better on tires with good tread. Good traction translates to good braking.

This is particularly important on wet Los Altos roads. A good tire will give you good braking on either wet or dry CA roads. But stopping distance increases dramatically when worn tires meet wet roads. Tread on a tire acts to channel away water as the vehicle passes over the wet road, improving contact between the tire's surface and the road, which maintains traction. But the thinner the tread, the less effective the water channels become, and water can get between the tire and the roadway, reducing friction. A loss of friction means a longer stopping distance and possibly a loss of control.

Braking depends on two things: the weight of your vehicle and the speed of the vehicle. The heavier the vehicle or, the faster the vehicle, the more braking power it requires. Thus, brake systems vary from vehicle to vehicle. For example, a pickup that is designed for heavy loads has a more powerful braking system than a compact car. Sports cars also have higher-grade braking systems than minivans.

Regardless of what kind of car you drive in Los Altos, it is always good auto advice to keep your brake system in good repair, and that means ALL of your brake system. Just one more way to keep your travels accident- and worry-free.

Here is my brake joke for this week,

My mechanic tried to convince me that my car needs new brakes

But I know that it would just slow me down.

Cayenne

 

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Cayenne Is Hitting the Brakes in Los Altos

cay

Whoa! Stop and put those brakes on. Cayenne here and you probably figured it out.  We are hitting the brakes and hard.  Safety should always be an element of your vehicle care. So even if you don't care about how your vehicle looks, you should practice preventive maintenance to protect yourself — and other Los Altos drivers — on the road. And good safety starts with good brakes.

Brakes need a regular inspection. There are parts that wear out or wear down, and it's best to replace them before you have serious problems.

Of course, if you are having trouble with your brakes, NOW is the time to fix them. If your brake warning light is on, that's a good sign that you need your brakes checked. You can also tell something is wrong with your brakes by the feel of the pedal or unusual sounds while braking. If the brake pedal is low, feels spongy when you press it or is hard to push, that indicates a problem with your brakes. If you hear squealing, grinding or clunking noises when you brake, that can also indicate serious problems. If vibrations accompany braking, then it is to get your brakes checked.

Brakes come in two basic types. With disc brakes, a rotor is attached to the axle of the vehicle. Padded calipers straddle the rotor and close when the brakes are applied. The resulting friction causes the rotor — and the axle — to stop turning. With drum brakes, brake pads (also called shoes) press against the inside of a drum to create friction and stop the drum, and hence the vehicle's wheels, from turning.

When Allied Auto Works services your brake system, your friendly and knowledgeable service advisor checks all of the brake pads for wear. If they are too thin, they need to be replaced. This is an inexpensive repair at Allied Auto Works compared to what procrastination will cost you. If pads wear away completely, then the rotors and drums can be damaged. They will have to be either resurfaced or replaced, and that can be expensive. But if your vehicle brake pads are worn out, then your brakes are compromised and your stopping power is greatly reduced. You could easily wind up in an accident.

Brake pads come in several different grades, such as regular, metallic and ceramic. The higher grades are more expensive, but they also work better. CA drivers who want better and smoother braking should consider upgrading. However, Los Altos drivers should NEVER use a brake pad that is lower than their vehicle manufacturer's recommendation.

After your brake pads are checked at Allied Auto Works, it's also wise to have your brake fluid checked. This is a critical element in your brake system. When you press your brake pedal, you are compressing the brake fluid, creating pressure that activates the brake pads. If your fluid pressure is low, it will decrease your braking power. The pads just won't be able to press hard enough against the rotor or drum to stop your vehicle. Just as with worn pads, insufficient brake fluid can lead to an accident in Los Altos.

Water can build up in your brake fluid, which can cause corrosion in your braking system. Eventually, this can cause your brake fluid to leak. So Los Altos drivers should also change their brake fluid periodically. Your vehicle owner's manual will have guidelines on how often it should be replaced, or you can ask a service advisor at Allied Auto Works. 

Remember, Los Altos folks, safety first. It's auto advice for all Los Altos drivers on the road. You're not just protecting others; you're protecting yourself.

Safety never takes a day off,

Cayenne

 

 

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Cayenne Barks "It's Brake Time (Brake Calipers)!"

cay

Whoa, stop, put the brakes on!   Cayenne here and yes we are puttin' all the stops here and barkin' about brakes and brake calipers today so let's get started.

Race car drivers have demonstrated the advantages of disc brakes, so most modern vehicles use them.  Sometimes just the front wheels have disc brakes, but many vehicles now have them all the way around. 

A major component of the disc brake is called a caliper.  It works by squeezing brake pads against the disc or rotor, kind of like a bicycle hand brake.  The brake pads themselves are what contact the rotor, causing friction to build and the wheel to slow down, but it's the calipers that apply the pressure to the pads.

Caliper design has evolved over the years, and there are two common types.  One is called a floating caliper.  It has one or two pistons on one side of the disc. When you push down the brake pedal, the piston or pistons in your caliper put pressure on that one side.  A mechanism connected on the other side of the disc applies pressure as well, squeezing your disc so the vehicle stops.  Floating calipers are less expensive since they have fewer parts.

The other type is called a fixed caliper.  They use pistons on both sides of the disc, sometimes several.  They are often used in more high-performance or heavy-duty vehicles.

Calipers can have rubber seals to keep out dirt, debris and moisture, but when that rubber wears out, sometimes the calipers can get contaminated.  They can stick or start leaking; they can even rust.  Then your caliper can get stuck applying that "squeeze" when you are not pressing on the brake pedal.  Or they can get stuck in the other position, not applying stopping power when you press the pedal.

When this happens, it's not unusual to feel your vehicle pull to one side when you brake.  You might notice a burning smell from the constant friction if the caliper is stuck on, plus you may feel the heat from the wheel after you park and get out of your vehicle.  Sometimes you'll hear a high-pitched sound or clunk if your calipers are binding up. 

That's your cue to have them checked out at your vehicle service center.  If your calipers aren't working correctly, it can be a safety hazard.  Sticking calipers can affect your ability to steer and stop; this is the kind of "brake time" you need so you can get them back on track and working properly.

I leave you with my joke of the day,

What part of the car is the laziest?
The wheels, because they are always tired!

Cayenne

cay

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Duke Has The Need for Speed (Wheel Speed Sensor Maintenance)

duke

Hi, Duke here on this beautiful California day.  When I see a squirrel I track and then bam......the need for speed.  Well, today we will speed into the need for speed on our vehicles and bark about the wheel speed sensor and maintenance.

 

Today's vehicles have some pretty amazing technology in them, including a computerized braking system we all pretty much take for granted these days.  Antilock brake systems (ABS) have been around for years but they help drivers stop in much shorter distances reliably than ever before.  When you see your ABS warning light come on, it's important to find out what's causing the problem. It's a safety issue.

Often the problem when the ABS light comes on is a faulty wheel speed sensor.  (In some cases the traction control light will also come on, perhaps because of a non-working wheel speed sensor.) Your vehicle uses speed sensors to measure the rotational speed at each wheel. That sensor sends the speed data to a computer that can then adjust braking power and prevent your wheels from locking up. 

If any of the wheel speed sensors aren't working right, the ABS warning light will go on and the vehicle's computer will turn off the antilock brake system.  You'll still have working brakes, but you will lose the functionality of that computerized system.

When your vehicle warns you the ABS has a non-working sensor, you can have a technician check to see what's going on. It could be one of the sensors is dirty and cleaning will solve the problem.  But it also could be that one or more sensors need to be replaced. 

A technician will use computerized diagnostic equipment to determine what and where the problem is, replace any bad parts and then check to make sure the system is fully operational. 

Antilock brakes and traction control are significant technologies that help prevent your vehicle from slipping on less-than-perfect road surfaces, especially useful during wintery weather.  Make sure they're helping you drive the way they designed to.

"One time the police stopped me for speeding, and they said "oh, you know the speed limit is 55 miles per hour." I said, "yeah, I know, but I wasn't going to be out that long."~Jason Love

Duke

duke

 

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Duke says"Whoa, Put on the Brakes": Brake Service at Allied Auto Works

duke

Whoa, Brake, Stop and Listen......It's all about the Brakes!  Hi, Duke here and today we are going to a halt and bark about brake service.

 

When it comes to preventive maintenance and vehicle care, most Los Altos drivers know how important it is to check their brakes. But brakes are more than just brake pads and shoes. There are a lot of components in the brake system, and they all need to be in good working order.

The pads and shoes are known as the friction materials in the brake system. They push together, providing friction that stops the vehicle. It's no wonder they have to be checked regularly for wear, and brake pads and shoes need to be replaced periodically.

Brake pads/shoes gradually wear out, but that doesn't mean your braking gradually becomes less effective. The pads are engineered so that they maintain good braking until they wear too thin to provide adequate friction. At this point, they need to be replaced.

But your braking system also has mechanical parts. These pistons and springs can also gradually wear out or get gummed up by oil, dirt and other road spatter. A brake inspection at Allied Auto Works in Los Altos includes a check of these parts as well as the pads and shoes. Your friendly and knowledgeable pros at Allied Auto Works can then advise you of any parts that need cleaning or replacement.

The fluid component to the brake system needs a regular check-up at Allied Auto Works as well. The brake fluid cools and protects your brake system. Protective additives are gradually depleted by the operation of the brake system, and moisture buildup inside the fluid can diminish its effectiveness. When you have your brakes serviced at Allied Auto Works in Los Altos, the fluid should be checked and, if needed, replaced, which will clean out water, debris and dirt.

It is important to remember that your brake system also includes your tires. No matter how well your brake system is performing, if your vehicle tires are worn, you won't get good stopping power. Traction is the power of your tires gripping to the roadway. Traction is always better on tires with a good tread. Good traction translates to good braking.

This is particularly important on wet Los Altos roads. A good tire will give you good braking on either wet or dry CA roads. But stopping distance increases dramatically when worn tires meet wet roads. Tread on a tire acts to channel away water as the vehicle passes over the wet road, improving contact between the tire's surface and the road; that maintains traction. But the thinner the tread, the less effective the water channels become, and water can get between the tire and the roadway, reducing friction. A loss of friction means a longer stopping distance and possibly a loss of control.

Braking depends on two things: the weight of your vehicle and the speed of the vehicle. The heavier the vehicle or the faster the vehicle, the more braking power it requires. Thus, brake systems vary from vehicle to vehicle. For example, a pickup that is designed for heavy loads has a more powerful braking system than a compact car. Sports cars also have higher-grade braking systems than minivans.

Regardless of what kind of car you drive in Los Altos, it is always good auto advice to keep your brake system in good repair, and that means ALL of your brake system. Just one more way to keep your travels accident- and worry-free.

My quote today about stopping,  "Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning." ~ Albert Einstein

Duke
duke

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Cayenne's Sticky Brake Situation (Parking Brake Service and Maintenance)

cay

Hi, Cayenne here on this beautiful California day.  Today I got myself into a sticky situation well I mean sticky brake situation.  We've all been there.  You park your vehicle on a steeper than usual hill and worry about it rolling down while you're running your errands.  So you decide you'll use the parking brake.  When you get back, you release the parking brake, hit the ignition, put it in gear, and—uh, oh—you can feel the parking brake is still on.  It's stuck.  What do you do now?

Welcome to the world of infrequently-used parking brakes.  Yes, they do stick for several reasons. It's common for components to corrode and get locked up.  Sometimes if you have applied it extra hard, it can jam.  Could be a rusty cable, could be a spring that doesn't return the brake to its disengaged position.  Some pieces just break when they're stressed for the first time in a while. A caliper or the pivot arm it's on can also stick.

There are a few things you can try to unstick it.  Carefully rock your vehicle by putting it first in drive and then reverse.  You have to be careful doing that, though, because sometimes you can damage the transmission.  You can try working the parking brake control a few times to see if that will loosen the corrosion.  If you can't unstick it, you can try driving slowly a short distance to a repair facility near you.  Sometimes it won't cause damage to the brakes but it depends on how tightly the parking brake was applied and what was stuck.  You may also have to have your vehicle towed to a repair facility.

In any case, once you've seen these symptoms, have your vehicle brakes looked at by a professional who can fix the root of the problem.  Better yet, don't let your vehicle get in this condition; regular maintenance and inspections by a trained technician should prevent you from getting in a jam somewhere thanks to a stuck parking brake.  

You could use a "brake" like that.

Cayenne

cay

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Cayenne's Brake Service for Safe Stopping

cay

Whoa! Put your brakes on and stop and listen to your favorite hound today; me, Cayenne.  We are going to bark about brake service for safe stopping. So let's get moving as there is no stopping me now!

Let's talk about something critical for all Los Altos drivers: your brakes. Your vehicle is heavy, and it takes a lot of muscle to bring it and your passengers to a safe stop – so everything needs to be in good working order.

Here's an explanation on how your disc brakes work:

The wheel hub keeps your wheel attached to your vehicle. The brake disc – or rotor – is attached to the hub and rotates with the wheel as you drive around Los Altos. Your brake pads clamp onto the rotor to slow the wheel.

The brake caliper straddles the rotor and squeezes the rotor to slow it down. The calipers contain brake pads which press on the rotor when you put your foot on the brake. The brake piston causes the calipers to squeeze and release as you use your vehicle brakes.

Your brake pads start to wear the first time you step on the brakes. Eventually, the pads wear out and need to be replaced. If you don't replace the pads when they're worn out, the metal parts of the brake will grind against the rotor and carve grooves into the surface. We've all heard grinding brakes and it's not a pretty sound.

If a rotor isn't scored significantly, your friendly and knowledgeable Allied Auto Works technician can put it on a lathe and smooth it out. If the grooves are too deep or if the rotor is warped or cracked, you need to replace it.

Sometimes brake pistons can stick and must be replaced. Typically it's cheaper to replace the entire caliper at Allied Auto Works in Los Altos than to rebuild the piston.

So there you have it – an important lesson on how your disc brakes work. If you replace brake pads on time, it will not only keep your vehicle stopping safely but could save you cash on unnecessary repairs down the road.

Cayenne   cay

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
https://www.alliedautoworks.com/

Categories:

Brakes

Duke's Bad Vibes

duke

Hi Duke here and today we are going to bark how your car can give you a bad vibe sorta like someone you meet and they give you a bad vibe, it is telling you something.  Well, your vehicle can give off bad vibes too and it is definitely telling you something but in a good way.  So let's dig in and find out why we get these bad vibes.

 

Your vehicle has a way of letting you know when something's wrong. Consider a vibrating steering wheel. It certainly didn't do that when it was new, so that shake is trying to tell you something.

There are a few things that can cause your steering wheel to vibrate as you drive down the road.  One of the most common is out-of-balance tires.  You may not only feel that wobble in your steering wheel, you might also feel it in the tires.  Sometimes it's not there when you're driving at lower speeds through residential areas, and sometimes it starts when you hit highway speeds. 

So what is tire balance anyway?  Well, you have a rubber tire that fits around a metal wheel.  It should have the same weight all the way around.  If it doesn't, it will start getting the shakes.  Ever load your washing machine so that all the clothes are at one side of that drum that spins?  When it hits the spin cycle, it can throw that washer against the wall. 

That's the same thing that's happening with an out-of-balance tire/wheel combination.  A technician has special equipment to figure out where to put small weights on the wheel to get things back in balance again.  But it could be that you hit a pothole some time ago and bent the rim.  Or your tire isn't as round and even as it once was.  That could be due to age, damage or wear and tear. The technician will know and offer you options.

Another possibility for that vibrating wheel is a faulty brake, such as warped rotors or a sticky caliper.  All of these issues can be evaluated as part of regular, routine maintenance with us.  There are many things that cause vibrations in your wheels.  But you don't want any bad vibes when it comes to your vehicle. 

So if bad vibes are making you uncomfortable with your car, it is time to deal with them and get you vehicle an attitude adjustment and steering back in the right direction,

Duke

 

duke

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227

Duke Is Hitting The Brakes In Cupertino, Los Altos and Mt. View

duke

Whoa! Stop, look, and listen!  It is Duke and today I am putting on the brakes in the South Bay so let's get barkin'.

 

Today we talk about brakes. Hitting But the mechanical aspects of the brakes themselves are just one issue. There's also the power brake pump and brake fluid. And then there are the tires, which are critical to the effectiveness of the brakes.

Let's step back. A new vehicle or truck rolls off a local Los Altos showroom floor. It has brand new brakes with brand new brake pads. The brake lines and pump are filled with fresh fluid and are completely clean inside. And the tires are brand new, with full tread. It is ready to go.

Naturally, braking power is at its peak performance. Now the miles/kilometers start to add up on the vehicle. Los Altos drivers tend to focus on the brake pads. In the automotive business, the pads and shoes on drum brakes are called the friction material. That's because they provide the friction used to stop the vehicle. The pads are designed to be effective throughout their useful life – it's not until they are worn so thin as to be out of 'specs'  that they lose their ability to stop.

The mechanical parts of the brakes have pistons and springs that get quite a workout while breaking. Over long distances around CA, these wear and get gummed up. They start to lose effectiveness gradually and could even fail - a scary possibility. That's why a regular brake inspection at Allied Auto Works is important for your vehicle and your family's safety. At Allied Auto Works we can test the operation of the brakes and see if any parts need cleaning or replacing.

That leads us to brake fluid service at Allied Auto Works. Some of the critical additives in the fluid that lubricate and clean the vehicle fluid system are depleted over time. That and moisture building up in the system reduce the performance of the brake fluid. A brake service at Allied Auto Works cleans out deposits, water and dirt. Then the system is filled up with fresh fluid.

The tires are what connect the vehicle to the road. Stopping force all comes down to traction. The better the tires grip the road, the more quickly you'll stop.

This is especially important on wet Los Altos area roads and surface streets. Studies have shown that wet stopping distance increases significantly as tires wear down. CA vehicle owners need to understand that they can have brakes that are operating at peak efficiency and yet still be in danger because their tires are worn out.

 

Have a great day nothing is stopping you except your brakes that is,

Duke

 

duke

Allied Auto Works
2073 Grant Road
Los Altos, CA 94024
650.968.7227
http://alliedautoworks.autotipsblog.com

Categories:

Brakes
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