Chesapeake Auto Repair

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.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

There are some dashboard lights you should pay more attention to than others.  One is the air bag light.  If it's on and your vehicle is in an accident, your air bags probably won't do their job.

Automakers began installing air bags in the late 1990's since they were mandatory in the United States, and manufacturers have included them in Canadian vehicles as well.  Safety experts say using a seat belt in combination with an air bag gives passengers the best chance of surviving a crash and minimizing serious injury.

The air bag warning light takes a few different forms.  Some look like a picture of a belted passenger with an inflated air bag from a side view.  Or there may be a warning light that says something like "Air Bag," "SRS" (for supplemental restraint system), "Airbag Deactivated" or "Air Bag Off."

Different things cause the air bag light to come on.  Your vehicle may have been in an accident during which, while the air bags didn't inflate, crash sensors were activated.  Some of them may be connected with your vehicle's seat belts.  A technician can reset the air bag if this has happened.

Fuses can also blow which will cause the air bag light to come on.  Another possible cause? A sensor that tells the vehicle's computer whether or not there is someone riding in the passenger front seat may be malfunctioning. 

Air bags are not for the do-it-yourselfer.  They are sophisticated systems that require specialized training and equipment to diagnose and repair.  If an air bag light is on, take it to a qualified service repair facility.  One more thing: remember that safety experts have designed air bags to work in conjunction with seat belts for maximum protection in accidents.  So always wear your seat belt.  

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Your vehicle is like you in a way.  When it gets hot, it needs to be cooled down.  And one of the key parts to keeping it cool is the water pump.

Now, that's a bit of a misnomer.  It IS a pump, but it's pumping coolant, not pure water.  Cooling off your engine is vital since it builds up heat when it creates power by burning fuel.  Your water pump acts as a way to recirculate that coolant.  It goes through a series of tubes and hoses through the engine where it picks up heat, then is sent off to the radiator to get rid of that heat.  Cooled off, the coolant is recycled through the water pump to start the journey again.

The water pump works by taking mechanical power from the engine, usually from a belt.  Obviously, that belt has to be in good condition and adjusted properly or else the water pump won't be able to do its job.

Here are some things to look for that will signal problems with your water pump.  If your heat gauge is erratic or showing a much higher than normal temperature, that could be a sign of trouble.  Another is if you hear a whine under the hood.  And if that gets louder when you go faster, get it checked right away.  You may see steam coming out from under the hood or coolant may be leaking. 

These signs signal that it's time for you to have a technician check to see where the problem is. Some water pumps are powered by a timing belt.  If your vehicle has that design and your timing belt is due for replacement, sometimes it's a good idea to replace the water pump too, even if it's working properly.  That's because the labor to replace the timing belt can be expensive and it may be wise to proactively take care of the water pump while it's disassembled.

Your service advisor will explain the options available and offer the best path to keeping your water pump doing its job.  Your engine's life depends on it.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

It's bad enough when you mistakenly leave a window open in your vehicle on a rainy day and you find your carpet soaked.  But what in the world is going on when your windows are closed tight, not leaking and you STILL wind up with wet carpet? The answer could be something you might not even know your vehicle has.

And the answer is? Drains. And those drains can get clogged.  Yes, your vehicle has several drains with tubes or hoses attached to them that you really never see.  There are some in and around the hood that channel rainwater down to the ground.  There are some that take condensation from the air conditioner and allow it to flow outside.  And if your vehicle has a retractable sunroof or moon roof, there are small drains at each corner that connect to tubes that go through the vehicle body down to an exit near the ground. 

Considering all the leaves, dirt, dust and other debris your vehicle encounters on a daily basis, it's not surprising that these drains can get blocked.  Then when it rains, that water winds up going to the place of least resistance.  Sometimes, that's inside the cabin where it shows up as wet carpeting.

So, what's the solution?  You may be tempted to see if you can clean out those drains yourself.  But there are many people who have tried blowing condensed air in the drains only to find that they literally blow the tubes off of their connections inside the vehicle's body.  Reattaching those can be a time-consuming, labor-intensive, expensive proposition.

A trained technician has the equipment and knowledge to clear out those drains properly. To prevent clogged drains, regular maintenance is the key, so when your vehicle is in for other periodic maintenance like oil changes and tire rotations, the technician can make sure all drains are clear and flowing like they should.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

You may have noticed your vehicle going through lean times.  By that, we mean it's literally leaning to one side.  When you notice that, you should get it checked out at your service facility soon because you could have a serious problem.

Many things can cause a vehicle to lean.  You may have problems with your struts, shocks or springs.  They all work in tandem to make your ride more comfortable.  The struts bear the weight of the vehicle's body, the shock absorbers employ a piston that keeps your tires in contact with the road and controls movement of the vehicle's body.  Springs also absorb impacts from uneven road surfaces.

If these components get stuck, either too high or too low, they cause your vehicle to lean.  That's because that side of the vehicle isn't at the height it is designed to be.  A technician will determine where the problem is.  Outside elements such as moisture plus hard knocks to these components can weaken them, eventually resulting in a failure.  The metal can get so fatigued that it breaks.  Often when one side of a vehicle is too high or too low, your service advisor will advise you to have the other side done as well.  That's because if only one side has new parts installed, it won't be level with the side that has old parts. 

There are a couple of other reasons vehicles can lean.  One is that the suspension can be bent or the chassis twisted, again due to wear and tear by driving on rough roads, over badly maintained railroad tracks or in deep potholes. 

Another reason your vehicle may lean is that the tires and/or wheels aren't all the same size.  Or one side might have drastically over or underinflated tires.  This can be a dangerous condition since the imbalance can affect steering and handling.

Considering what drivers put suspension parts, tires and wheels through, it's not surprising that they can be punished so much that they don't hold up like we want them to.  A level-headed driver will make sure to be driving a level vehicle by making sure these components are maintained in good condition.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com