Checking Fluids
by: Kevin Schappell
Keeping your vehicle in tip-top shape requires constant monitoring of vital fluids. Read you owners manual and look for a diagram of the engine. Most times there will be a diagram showing where to check all the major fluids. This should be your starting point. If your manual is lost in the glove box or you never had one, then ask your mechanic or a friend who knows cars to show you all the places to check. There are 4 major levels to check on most cars.
Engine oil - Usually towards the front of the engine and marked "OIL" Always check your oil level with the engine OFF. Remove the dipstick and wipe the oil off with the rag or towel then put the dipstick back into the hole. Now pull out and get a reading. You might have to hold the dipstick to the light to get a good reading as fresh oil can sometimes be hard to see. On the dipstick there will be two marks indicating a maximum and minimum level for the oil. Make it a habit of checking your oil every two weeks.
Transmission fluid - If you have an automatic transmission then you will have a dipstick to check the fluid level. It is most commonly found towards the back of the engine compartment or towards the passenger side. You should find out how to check the fluid by looking at the owner’s manual or on the dipstick itself. Most cars have to be running with the transmission in park or neutral. Also the transmission should be warmed up to give a true reading. Make sure the car has been driven for a short distance to make sure everything is up to operating temperature. Checking the level is just like checking your oil, wipe off dipstick, replace, pull out again and check level. If you have a manual transmission there is no dipstick and to check the fluid level you must crawl under the car and remove a fill plug. I would have your mechanic check this for you once a year if you do not feel comfortable doing this.
Engine coolant - -- CAUTION -- Never open your radiator cap when the engine is hot ! The pressure in the system can send hot coolant splashing out on to you. Most cars have an overflow bottle, which will have level markings. Keep the coolant between these markings. If you have to open the radiator, make sure the engine is cold.
Power steering fluid - Your car uses oil to assist in steering the car. The fluid is usually checked at the pump, but can be away from the pump in a separate reservoir. Like the transmission, this fluid should also be checked when up to operating temperature. Most commonly the level is measured by a small dipstick attached to the cap of the reservoir.
Brake fluid - On most newer cars you can check brake fluid level without removing the cap on the master cylinder. There will be level markings on the side of the plastic reservoir. If you have to remove the cover to check the fluid level, be careful not to spill any fluid on the surrounding paint. Brake fluid makes a nice paint remover :-)
Windshield washer fluid - That's the magic blue liquid that squirts out of your hood. Most reservoirs have the level marked on the side but some newer cars have them buried underneath everything so you can not see. Just fill to the top, there is no harm in overfilling.
If you need to add any fluids to bring the levels up, a funnel is helpful to avoid spills. Keep track of how often you add oil, and transmission fluid. Frequent additions can point to leaks and engine wear.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 23, 2004
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duminică, 25 decembrie 2011
Your Cars Electrical System
Your Cars Electrical System
by: Kevin Schappell
When the automotive industry was in its infancy, it used electricity only to ignite the fuel inside the engine. By the late 1920's, the electric starter replaced the hand crank, electric headlights made acetylene lamps obsolete and the braying of the electric horn drowned out the squeak of the hand-squeezed air horn. Today, an automobile requires an elaborate electrical system of circuits just to produce, store, and distribute all the electricity it requires simply for everyday operation.
The first major component in the electrical system is the battery. The battery is used to store power for starting, and for running auxiliary devices such as clocks, radios and alarms when the engine is off. The next major component is the starter motor, which is used to start the engine. The third component is a charging device powered by the engine, known as the alternator. It powers the electrical system when the car is running, and restores the charge within the battery. With these basic components, the car maintains its supply of electricity. A device called the voltage regulator keeps the power level stabilized, and the fuse box keeps minor problems from becoming major ones.
Many different auxiliary electrical devices are used in modern cars, such as: radios, cellular phones, rear window defrosters and electric door locks, as well as a vast array of motors powering everything from the moon roof on down.
The above information is directly from the Auto Insight program, which you can buy online from AutoEducation.com.
Common Problems:
The battery is usually the first part of the system to wear out. Most batteries last between 3 and 7 years depending on brand and design. Batteries can be fine on minute, and dead the next. More on this later.
Blown fuse: Is one part of the electrical system not working like the interior lights or dash lights? The first thing to check is the fuses. Look for the fuse panel under the dash, in the glove box, or even in the engine compartment in some cars. Most fuse boxes will be labeled by circuit. Modern cars use a blade type fuse which is rectangular in shape and transparent. Look for the wire, which runs through the fuse, and see if it is burned through. Any discoloring of the fuse is a good sign the fuse has blown. If you have doubts, replace with a new fuse and test the system, which is not working.
Alternator: Does your car start ok, but your headlights dim when idling. It could be a bad alternator. When the alternator cannot produce enough electricity to keep the electrical systems running and the battery will have to be used to take up the slack. This will eventually wear down the battery and not allow your car to start.
Troubleshooting:
I don't think there is a tougher system to troubleshoot on your car than the charging/starting system. This is due to the fact that there are many things that can go wrong and it's tough to test some components without special equipment. Let's go over some possible situations and their possible causes.
Car won't start, all I hear is a click but the engine does not turn.
First check all battery cables for corrosion as this will keep power from flowing freely to the starting system. If they are dirty, clean with a wire brush and reattach. Apply a light coat of grease to the top of the terminals to prevent further corrosion.
Battery could not have enough power stored in it to spin the engine. This can be caused by a bad cell in the battery or from a bad alternator not charging the battery when the engine is running. If you can get the car to a mechanic, have him or her test the battery and charging system with a special tester. This tester places a load on the battery and can tell the condition. They can also check to see if the alternator is working to it's full potential.
Starter or solenoid could be bad. If you can not jump start the car and all of the battery cables are ok then suspect the starter.
Car won't start, I hear nothing.
Check battery cables as above.
Have the battery tested. There could be a bad cell causing a short. You can try jump-starting but often the car will not stay running.
Car won't start, all I hear is a horrible grinding noise.
Grinding noises point to the starter not properly meshing with the flywheel. This can be caused by a bad solenoid or a bad spot on the flywheel.
I have also seen starters loosen up so they no longer contact the flywheel at the proper distance. While not common, it is something to keep in mind.
Car starts but my headlights are dim at low engine speeds.
Look to the alternator for problems. Take the car to your mechanic to have the alternator checked for proper operation.
Check for loose wires going to the alternator. Also check for corrosion, as this will inhibit the alternator from charging properly.
Check the tension on the alternator belt. If it is too loose, the belt may slip and not drive the alternator properly.
As you can see there are plenty of things to go wrong with the charging system and it is always best to take the car to your mechanic and have it tested before you go replacing parts blindly.
Preventing problems with your electrical system:
Replace your battery every 4 years as a safety measure. It will save allot of headaches down the road.
If your battery is not a sealed unit, check fluid levels in each cell. Only fill with distilled water and be careful around the acid, which is in the battery.
Check your alternator belt frequently for cracks and tension. Replace per your cars manufacturers recommendations.
Clean your battery connections at least once a year. Parts stores sell a handy terminal cleaner which is basically a round wire brush, which works wonders. Once you reattach the terminals, coat with a layer of heavy grease or special purpose grease sold at parts stores. This layer will block the air from reacting with the connectors and creating corrosion.
How to jump start your car:
Jump-starting your car does not have to be a hard task. First lay out the cables on the ground between the two cars. Make sure that the cable is not tangled and none of the end clamps are touching each other. The car with the good battery should be running.
Step 1: Take the positive (red) clamp closest to the car with the good battery and hook it to the positive terminal of that car. The positive terminal will have a + sign on it and usually a red wire running to it.
Step 2: Repeat this step on the car with the bad battery, hooking up the positive clamp to the positive terminal on the battery. Make sure the clamps are contacting well and can not fall off.
Step 3: Take the negative cable (black) closest to the car with the good battery and hook it to the negative terminal of the battery. The negative terminal will have a - sign and usually a black wire running to it.
Step 4: This is the last step and the most important. Take the negative clamp closest to the car with the bad battery and attach it to a bare metal part of the engine. DO NOT hook it to the batteries negative terminal as there maybe hydrogen gas present from the battery and a spark from the connection could cause an explosion.
That's it...... turn the key on the dead car and the car should start. If it does not, try revving the engine on the good car to boost the charge coming from the alternator. If this does not work, try wiggling the cables to assure you have a good connection. GOOD sets of jumper cables are a necessity. I have had cheaper sets not jump-start a dead car. I actually had to double up two cheap sets to get enough current to start my car. The cheaper sets will have thinner cables, which cannot carry enough amperage to start some stalled cars. I would suggest buying a cable, which has 4,6 or 8-gauge wire.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 23, 2004
by: Kevin Schappell
When the automotive industry was in its infancy, it used electricity only to ignite the fuel inside the engine. By the late 1920's, the electric starter replaced the hand crank, electric headlights made acetylene lamps obsolete and the braying of the electric horn drowned out the squeak of the hand-squeezed air horn. Today, an automobile requires an elaborate electrical system of circuits just to produce, store, and distribute all the electricity it requires simply for everyday operation.
The first major component in the electrical system is the battery. The battery is used to store power for starting, and for running auxiliary devices such as clocks, radios and alarms when the engine is off. The next major component is the starter motor, which is used to start the engine. The third component is a charging device powered by the engine, known as the alternator. It powers the electrical system when the car is running, and restores the charge within the battery. With these basic components, the car maintains its supply of electricity. A device called the voltage regulator keeps the power level stabilized, and the fuse box keeps minor problems from becoming major ones.
Many different auxiliary electrical devices are used in modern cars, such as: radios, cellular phones, rear window defrosters and electric door locks, as well as a vast array of motors powering everything from the moon roof on down.
The above information is directly from the Auto Insight program, which you can buy online from AutoEducation.com.
Common Problems:
The battery is usually the first part of the system to wear out. Most batteries last between 3 and 7 years depending on brand and design. Batteries can be fine on minute, and dead the next. More on this later.
Blown fuse: Is one part of the electrical system not working like the interior lights or dash lights? The first thing to check is the fuses. Look for the fuse panel under the dash, in the glove box, or even in the engine compartment in some cars. Most fuse boxes will be labeled by circuit. Modern cars use a blade type fuse which is rectangular in shape and transparent. Look for the wire, which runs through the fuse, and see if it is burned through. Any discoloring of the fuse is a good sign the fuse has blown. If you have doubts, replace with a new fuse and test the system, which is not working.
Alternator: Does your car start ok, but your headlights dim when idling. It could be a bad alternator. When the alternator cannot produce enough electricity to keep the electrical systems running and the battery will have to be used to take up the slack. This will eventually wear down the battery and not allow your car to start.
Troubleshooting:
I don't think there is a tougher system to troubleshoot on your car than the charging/starting system. This is due to the fact that there are many things that can go wrong and it's tough to test some components without special equipment. Let's go over some possible situations and their possible causes.
Car won't start, all I hear is a click but the engine does not turn.
First check all battery cables for corrosion as this will keep power from flowing freely to the starting system. If they are dirty, clean with a wire brush and reattach. Apply a light coat of grease to the top of the terminals to prevent further corrosion.
Battery could not have enough power stored in it to spin the engine. This can be caused by a bad cell in the battery or from a bad alternator not charging the battery when the engine is running. If you can get the car to a mechanic, have him or her test the battery and charging system with a special tester. This tester places a load on the battery and can tell the condition. They can also check to see if the alternator is working to it's full potential.
Starter or solenoid could be bad. If you can not jump start the car and all of the battery cables are ok then suspect the starter.
Car won't start, I hear nothing.
Check battery cables as above.
Have the battery tested. There could be a bad cell causing a short. You can try jump-starting but often the car will not stay running.
Car won't start, all I hear is a horrible grinding noise.
Grinding noises point to the starter not properly meshing with the flywheel. This can be caused by a bad solenoid or a bad spot on the flywheel.
I have also seen starters loosen up so they no longer contact the flywheel at the proper distance. While not common, it is something to keep in mind.
Car starts but my headlights are dim at low engine speeds.
Look to the alternator for problems. Take the car to your mechanic to have the alternator checked for proper operation.
Check for loose wires going to the alternator. Also check for corrosion, as this will inhibit the alternator from charging properly.
Check the tension on the alternator belt. If it is too loose, the belt may slip and not drive the alternator properly.
As you can see there are plenty of things to go wrong with the charging system and it is always best to take the car to your mechanic and have it tested before you go replacing parts blindly.
Preventing problems with your electrical system:
Replace your battery every 4 years as a safety measure. It will save allot of headaches down the road.
If your battery is not a sealed unit, check fluid levels in each cell. Only fill with distilled water and be careful around the acid, which is in the battery.
Check your alternator belt frequently for cracks and tension. Replace per your cars manufacturers recommendations.
Clean your battery connections at least once a year. Parts stores sell a handy terminal cleaner which is basically a round wire brush, which works wonders. Once you reattach the terminals, coat with a layer of heavy grease or special purpose grease sold at parts stores. This layer will block the air from reacting with the connectors and creating corrosion.
How to jump start your car:
Jump-starting your car does not have to be a hard task. First lay out the cables on the ground between the two cars. Make sure that the cable is not tangled and none of the end clamps are touching each other. The car with the good battery should be running.
Step 1: Take the positive (red) clamp closest to the car with the good battery and hook it to the positive terminal of that car. The positive terminal will have a + sign on it and usually a red wire running to it.
Step 2: Repeat this step on the car with the bad battery, hooking up the positive clamp to the positive terminal on the battery. Make sure the clamps are contacting well and can not fall off.
Step 3: Take the negative cable (black) closest to the car with the good battery and hook it to the negative terminal of the battery. The negative terminal will have a - sign and usually a black wire running to it.
Step 4: This is the last step and the most important. Take the negative clamp closest to the car with the bad battery and attach it to a bare metal part of the engine. DO NOT hook it to the batteries negative terminal as there maybe hydrogen gas present from the battery and a spark from the connection could cause an explosion.
That's it...... turn the key on the dead car and the car should start. If it does not, try revving the engine on the good car to boost the charge coming from the alternator. If this does not work, try wiggling the cables to assure you have a good connection. GOOD sets of jumper cables are a necessity. I have had cheaper sets not jump-start a dead car. I actually had to double up two cheap sets to get enough current to start my car. The cheaper sets will have thinner cables, which cannot carry enough amperage to start some stalled cars. I would suggest buying a cable, which has 4,6 or 8-gauge wire.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 23, 2004
Test Driving A New Car
Test Driving A New Car
by: Kevin Schappell
One of the most important steps in buying a new or used car is the test drive. You can do all the research you like, but it all comes down to the test drive. Driving the car must be comfortable, easy, and enjoyable. Follow these few steps and get the most out of your next test drive.
Check over the car before you leave the dealer's lot. Tires, fluids, and lights should all be checked before you drive. Also make sure there is gas in the car.
If at all possible go on the test drive by yourself. You need to concentrate on the driving experience and the noises of the car. A babbling salesman will distract you and not let you get a good read on the car.
Before leaving the lot, adjust the seat, mirrors, and the climate control system. You do not need to be distracted while driving an unfamiliar car. Make sure you are comfortable and have a good view of everything around you.
Drive a variety of roads. Mix it up with some city driving followed by highway if you can. You should make sure to try every gear and reach highway speeds to fully test the car.
Test the brakes. The steering wheel should not shake while applying the brakes. Also, check to see if the car pulls to one side while braking. Squeaks and rattles could also indicate worn pads.
Notice how the car tracks. When you take your hands off of the wheel, which way does the car go? If the car consistently tracks to one side, be concerned about the alignment.
The last thing you should check is how you feel about the car. Did you enjoy driving it? Was there enough power to get your blood pumping? Is this a car you can live with every day? Most important don't get caught up in the moment, don't buy the first car you see, and never ever let the dealer think you are interested.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 23, 2004
by: Kevin Schappell
One of the most important steps in buying a new or used car is the test drive. You can do all the research you like, but it all comes down to the test drive. Driving the car must be comfortable, easy, and enjoyable. Follow these few steps and get the most out of your next test drive.
Check over the car before you leave the dealer's lot. Tires, fluids, and lights should all be checked before you drive. Also make sure there is gas in the car.
If at all possible go on the test drive by yourself. You need to concentrate on the driving experience and the noises of the car. A babbling salesman will distract you and not let you get a good read on the car.
Before leaving the lot, adjust the seat, mirrors, and the climate control system. You do not need to be distracted while driving an unfamiliar car. Make sure you are comfortable and have a good view of everything around you.
Drive a variety of roads. Mix it up with some city driving followed by highway if you can. You should make sure to try every gear and reach highway speeds to fully test the car.
Test the brakes. The steering wheel should not shake while applying the brakes. Also, check to see if the car pulls to one side while braking. Squeaks and rattles could also indicate worn pads.
Notice how the car tracks. When you take your hands off of the wheel, which way does the car go? If the car consistently tracks to one side, be concerned about the alignment.
The last thing you should check is how you feel about the car. Did you enjoy driving it? Was there enough power to get your blood pumping? Is this a car you can live with every day? Most important don't get caught up in the moment, don't buy the first car you see, and never ever let the dealer think you are interested.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 23, 2004
Winter Car Care
Winter Car Care
by: Kevin Schappell
As the weather turns colder, it is time to think about your car for a second. A little preparation can go a long way to making your winter travels a lot safer. Here is a checklist to get you started.
1. Check the antifreeze. The freezing point can be checked with a simple tool available at any auto parts store. Make sure you check the antifreeze when it's cool. Opening a hot radiator can be a dangerous thing.
2. Check the air pressure in your tires. As the air gets cooler pressure drops in your tires. Maintaining your tire pressures will reward you with higher gas mileage and longer tire life.
3. Make sure you have the following items in your car.
Ice Scraper
Salt or sand for traction
Blanket in case you are stranded and need to keep warm
Good first aid kit (not just for winter)
Road flares
4. Check all belts and hoses. As the temperature drops rubber tends to stiffen and break allot easier. Make sure all your rubber hoses and belts are in tip-top shape.
5. Treat your gas tank to a can of gas line antifreeze before the cold weather strikes. The additive will remove any water in the system and prevent your fuel lines from freezing.
6. Check your tires for wear. Make sure you have plenty of tread left to get you through the snow. Nothing is worse than 3" of snow and bald tires.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 22, 2004
by: Kevin Schappell
As the weather turns colder, it is time to think about your car for a second. A little preparation can go a long way to making your winter travels a lot safer. Here is a checklist to get you started.
1. Check the antifreeze. The freezing point can be checked with a simple tool available at any auto parts store. Make sure you check the antifreeze when it's cool. Opening a hot radiator can be a dangerous thing.
2. Check the air pressure in your tires. As the air gets cooler pressure drops in your tires. Maintaining your tire pressures will reward you with higher gas mileage and longer tire life.
3. Make sure you have the following items in your car.
Ice Scraper
Salt or sand for traction
Blanket in case you are stranded and need to keep warm
Good first aid kit (not just for winter)
Road flares
4. Check all belts and hoses. As the temperature drops rubber tends to stiffen and break allot easier. Make sure all your rubber hoses and belts are in tip-top shape.
5. Treat your gas tank to a can of gas line antifreeze before the cold weather strikes. The additive will remove any water in the system and prevent your fuel lines from freezing.
6. Check your tires for wear. Make sure you have plenty of tread left to get you through the snow. Nothing is worse than 3" of snow and bald tires.
About The Author
Kevin Schappell maintains http://www.carbuyersclub.com where he gives advice on buying, selling, insurance, and financing. A mechanical engineer and car guy, Kevin has decided to spend his online time helping others learn about automobiles. To learn more about how your car works, Kevin has created http://www.mycarwizard.com.
kevin@schappell.com
This article was posted on December 22, 2004
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