AUTONET TV

Your Vehicle's Hissy Fit (AC System)

When you hear hissing sounds coming from your vehicle, you might start thinking the worst.   One type of hissing coming from around your air conditioner may be a normal sound, or it could be a sign of serious trouble.

First - the normal sound.  When you turn off your vehicle, the refrigerant goes from its high-pressure side to the low-pressure side. Some of those noises are normal.  But when it hisses all the time, that's another story.

One cause could be that the refrigerant is leaking.  Air conditioners are fairly complex systems that involve various pumps, hoses, valves and motors.  When your air conditioner is cooling, the refrigerant changes from a gas to a liquid and back.  That refrigerant is under pressure, and there are many places it can leak from. 

A hissing sound can also be a failed valve in your air conditioner's compressor.  It is what controls the refrigerant's pressurization.  It's important to have this fixed fairly quickly after it develops a problem because when it isn't, that can lead to more extensive—and expensive—repairs.

If you hear screeching coming from your air conditioner at the same time you hear hissing, your compressor may be on its last legs. It could also be a defective clutch. 

Any time you hear a noise you haven't routinely heard before, bring your vehicle to us so a technician can check the various components and properly repair the problems.  Air conditioning systems are complex and are best handled by a professional with the right tools and equipment.  When your AC has a hissy fit, let us cool it off and you at the same time.  

Franklin Auto Service
32725 Franklin Rd
Franklin, MI 48025
248-626-2080
http://www.franklinautoservice.net

QUIET TIME (Listening for Vehicle Problems)

Everybody's got friends like this.  You know, the kind who, the minute they get in their vehicle and turn the key, the sound system is deafening.  They just love to hear that music, sports, news… anything but the sound of the vehicle itself.

And maybe you're that person, too.  Here's something to consider: your sound system might be drowning out some valuable clues that could help you diagnose problems with your vehicle, problems that need to be dealt with. So, turn down the volume and listen for these things:

• A clicking sound when you're braking or turning—You could be missing some parts in your braking system, or it could be damaged. That sound could also signal that components are just plain worn out.
• Rattling under the hood—If it sounds like metal clanking against metal, you could have something serious going on, maybe an overheating engine or your timing needs adjusting. That knocking sound could also be as simple as you've been using lower octane gasoline than is recommended for your engine.  Time to get that checked out.
• A squealing or high-pitched sound coming from the engine compartment. Could be a belt is loose, wearing out, dried out or cracked. A pulley might be failing or a bearing might be on its last legs.  Better to have that fixed now than be stranded somewhere later.

Here’s our Franklin Auto Service suggestion - set a regular weekly alarm in your smartphone alerting you to listen to your vehicle once a week for five minutes.  Just five minutes without the music or the sports show or public radio… whatever your taste is. You can even use your smartphone to record any noise you might be hearing.  Between that and your description to your service advisor, a Franklin Auto Service technician should be able to diagnose the source of the noise and get your vehicle sounding healthy again. Do it before that noise turns into the sound of a serious problem. 

Who knew a little quiet time could be so useful?

Franklin Auto Service
32725 Franklin Rd
Franklin, MI 48025
248-626-2080
http://www.franklinautoservice.net

Steering You Right (Power Steering Signs of Problems)

Nearly every modern vehicle on the road today has power steering, a wonderful invention that makes steering take far less effort than it did in the "good old days."  Today, we take our steering for granted: until something goes wrong, that is.

Most power steering these days is rack-and-pinion, the rack being a metal bar between the front wheels with notches in it and the pinion being a gear whose teeth fits into those notches.  Adding power assist makes it easy to turn. That assist comes in the form of hydraulic fluid that is pressurized by a pump powered by the engine, an electric motor that adds a power assist or a system that uses both an electric motor and hydraulic fluid.

Your vehicle usually gives you a heads up that something is going wrong with its steering. Here are a few signs to look for:

• A humming, whirring, rubbing or grinding sound coming from you engine compartment when you turn.
• Signs of hydraulic fluid leaking, such as wet spots under your vehicle.
• The smell of burning oil while you're driving.
• Steering wheel hard to turn or vibrating.

If you notice any of these signs, it's a good idea to have a trained technician check them out.  They may be signs of:

• Power steering pump going bad
• Steering rack or gear seals wearing out, causing them to lose hydraulic fluid
• Broken fluid hose
• Defective power steering cooler
• Loss of pressure in the power steering gearbox
• Worn out steering pump belt
• Failing electric power steering motor

It's important to have these checked out sooner rather than later. You need to be able to steer properly in order to drive safely. Plus, some of these problems can cause more serious—and expensive—damage if they're not fixed.  Power steering is a wonderful feature of your vehicle.  Keep it well maintained and it will steer you right.

Franklin Auto Service
32725 Franklin Rd
Franklin, MI 48025
248-626-2080
http://www.franklinautoservice.net

Wash Me, Wash Me Right (How to Wash a Vehicle)

Most would agree they'd rather drive around in a clean, shiny vehicle than one coated with a layer of dirt.  When warmer weather comes around, some of us are bound and determined to wash our own vehicles.  And to protect the paint and its luster, there are a few things to keep in mind when you get out the bucket and soap.

• Cool body.  It's not a good idea to wash a vehicle when the body is hot.  If it's been sitting out in the sun or you've been riding around on a sunny day, make sure you cool your vehicle off by either moving it to the shade or wetting it down with cool water. The problem with washing a hot vehicle is that it's going to dry so fast, minerals in the water can form hard-to-remove spots on the paint.  And some of those can be really difficult to get out.  Best to avoid it.
• Slippery when wet.  Make sure you wet your vehicle down thoroughly before you get the washing mitt out.  Experts keep a couple of buckets of soapy water on hand, and they use soap especially engineered to remove dirt from a vehicle without stripping off the wax that might be on it. 
• The washing mitt.  Experts say to use a mitt with hundreds of moisture-absorbing strands on it.  Start washing at the top and move down.  If you keep dipping the mitt in the buckets frequently, a minimal amount of dirt will stick to it and that will prevent scratching the paint. 
• Wheels last.  Wait until you've finished washing the body before washing the wheels.  Some detailers prefer special wheel-washing tools or brushes. 
• Rinse it well.  Hose the vehicle off thoroughly to get all the soap off, then dry immediately.  Some people swear by a chamois, others like cloth better.  Cotton or microfiber towels will do.  

The next time you have your vehicle in for maintenance, you might ask your service advisor for recommendations on vehicle washing accessories.  They are usually up on the brands that produce the best results.  You may not be a detailing pro, but there's no reason your vehicle can't look like you are.

Franklin Auto Service
32725 Franklin Rd
Franklin, MI 48025
248-626-2080
http://www.franklinautoservice.net

A Squirrely Problem (Animals Nesting in Engine)

If you park your vehicle outside, you are exposing it to all sorts of critters that would love to use it for nesting, food storage and shelter.  There are plenty of pictures online of people who've discovered there was more than an engine under the hood.  In one case, the driver of an SUV started to smell a slight burning odor when she was driving.  Turned out to be 200 walnuts and a lot of grass had been stored there by some industrious squirrels preparing for the upcoming cold weather. 

The SUV owners had their vehicle inspected not long before this happened, but it doesn't take some animals long to set up house in what they think is the ideal spot to make their winter home.   Obviously, that can create problems.  Squirrels, mice, rats and other small animals can chew through hoses and wires.  Plus what they store as food and nesting material may prevent engine parts from moving the way they are supposed to.  Imagine a radiator fan that won't turn because it's laden with heavy walnuts.  Or the fire hazard created by flammable brush on a hot manifold.

Probably the best solution is to store your vehicle inside a rodent-tight building, but that's no guarantee.  Unfortunately it doesn't take a very big hole or gap for small mice or other creatures to get in.  Some careful sealing with materials like cement or steel wool can reduce rodent access effectively, but they're always looking for access so you can't let down your guard.

If you're not able to store your vehicle inside, you may try spraying lavender or mint essence around the engine or in the wheel wells.  Rodents don't seem to like those odors very much.  If you drive your vehicle every day, you're less likely to have unwanted residents than if you leave it sit for days.  In either case, if you have experienced animal problems in the past, open your hood and inspect your engine frequently. 

Check with your service adviser for recommendations on how to keep animals out of your vehicle.  You're not the only one whose vehicle looks like the perfect winter apartment to some critters.  Preventing animals from getting to your vehicle is worth some time and expense because damage from gnawing teeth can be very costly and difficult to repair.

Franklin Auto Service
32725 Franklin Rd
Franklin, MI 48025
248-626-2080
http://www.franklinautoservice.net