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Mon - Fri: 7:00 AM - 6:00 PM
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La Mesa Location

(619) 403-9426

7447 University Ave, La Mesa, CA 91942

Mon - Fri: 7:00 AM - 6:00 PM

Sat & Sun: Closed

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El Cajon Location

(619) 404-5645

10813 Airport Dr., El Cajon, CA 92020

Mon - Fri: 7:00 AM - 6:00 PM

Sat & Sun: Closed

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Articles:

The John's Automotive Care Guide to Caring for Your Transmission

Most vehicles have automatic transmissions, yet a lot of San Diego drivers only have a fuzzy understanding about what a transmission does. Think back to the last time you rode a bike in San Diego. You started out in a lower gear and shifted to higher gears as you went faster. Down shift for hills, stuff like that. Think of your legs as the engine – there's an ideal speed you can pedal and you change gears to leverage the work you're doing.Lower gears for power on hills or for starting out. Higher gears for more speed. That's what the automatic transmission does – it automatically starts in lower gears and shifts up to higher gears to go faster on CA roads. And it automatically shifts back down to climb San Diego hills, pass or start up again.Vehicle automatic transmissions have certainly gotten more sophisticated in recent years. They have more speeds than before: the base is four speeds, five is very common. At John's Automotiv ... read more

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Transmission

Automotive Tips from John's Automotive Care: Making Your A/C System Last Longer

San Diego drivers know that if their air conditioning system isn’t making cool air like it used to, there is a problem. It may be as simple as adding more of the right kind of refrigerant.Your A/C requires special compressor oil, which circulates through the system along with the refrigerant, to lubricate and protect expensive components and keep seals and gaskets from drying out. If refrigerant has leaked out – so has the compressor oil. This oil needs to be replenished whenever refrigerant is added.An air conditioning inspection at John's Automotive Care will uncover any potential problems and identify any necessary repairs needed to get San Diego drivers on the road to cool air once again.Give us a call.John's Automotive Care6267 Riverdale StSan Diego, CA 92120619-280-9315http://www.johnsautomotivecare.com

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Air Conditioning

Automotive Tips from John's Automotive Care: Where Should New Tires Be Placed

When San Diego drivers need to replace tires, they need to know how many they should get and on which axle they should be placed. Replacing a damaged tire may leave you with three others with significant wear, which could affect your traction control, stability control and anti-lock brake systems.If you can’t afford to replace all four tires at once, you should at least replace two on the same axle. New tires should always be put on the rear axle for stability in slippery conditions. Your friendly and professional John's Automotive Care tire professional can help you know when your worn tires should be replaced, if you can have a damaged tire repaired as well as selecting the right tires for your needs.Give us a call.John's Automotive Care6267 Riverdale StSan Diego, CA 92120619-280-9315http://www.johnsautomotivecare.com

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Tires and Wheels

Clean Fuel Makes a Happy Engine in San Diego, CA

If the fuel system in your vehicle is dirty, you will be hurting your engine and losing performance as you drive around San Diego, CA.Unless they drive a vintage car, San Diego auto owners have fuel injectors which need to be properly maintained. That is why your vehicle owner's manual has a schedule for cleaning your fuel injectors and other parts of your fuel system.Your friendly and knowledgeable service advisor at John's Automotive Care in San Diego has the tools and chemicals to do the job right. John's Automotive Care uses a process that gives your car a deep, professional fuel system cleaning. The particles, gum and varnish that build up in your fuel system are removed so that it can run cleanly and efficiently.After a professional fuel system cleaning atJohn's Automotive Care, you'll notice more power, improved and reduced exhaust emissions. We strongly recommend you follow your fuel system cleaning service recommendations ... read more

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Fuel System

What San Diego Automotive Service Consumers Should Know

There are some things drivers should know about San Diego car service and repair. First and foremost, John's Automotive Care cares about you and your family's safety. And we really appreciate your business. John's Automotive Care in San Diego wants to build a trusting relationship that becomes the foundation for a mutually beneficial experience for years to come.Building on that foundation, there are some things that would help you understand the auto service and repair business better. First, it can be really hard to fix vehicles. The days of shade tree mechanics are long gone. The majority of automotive systems are computerized. It takes a lot of training and very expensive equipment to diagnose and repair modern vehicles. The pros who work for John's Automotive Care need extensive computer training – not just how to run the diagnostic systems, but also searching for the right parts, networking with other technicians to help them with a difficul ... read more

Too Hot to Handle (Vehicle Overheating)

In the hot weather, seeing steam coming from the engine compartment is something we all dread.  No one wants that to happen to them. But if you know the signs of overheating and how to deal with it, you may be able to reduce the risk of damage to your vehicle, maybe even prevent getting stranded on the road. Besides the steam coming out of the engine compartment, here are a few signs of overheating.  Your vehicle has a heat gauge that may have a needle that can go into a red zone or up to the "H" (for High) position.  You may smell odors, perhaps a burning (could be hot oil) or a sweet smell (engine coolant leaking).  When you encounter any of those signs, you know you have to do something to keep the engine as cool as possible to avoid potentially catastrophic damage.  Turn off the air conditioning and turn up the heat.  While that last part may sound odd, it helps draw heat out of the engine.  If you can do it safely, pull off the road to a spot awa ... read more

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Cooling System

Pinch Petroleum Pennies! (Fuel Saving Tips)

If you saw a dollar bill on the ground, you'd pick it up, right? Well, whether you find that dollar on the ground or in savings at the gas pump, money is money, and here are some ways to hold on to more of it. Slowing down is the easiest way to save fuel, especially for every speed increase over 50 mph/80 k/hr.  Tone down the speed, turn up the cash savings.  Drive smoothly (not like a race car driver) and you'll also save money in fuel.  Aggressive, fast-start, jerky-stop habits are just pulling the bucks out of your wallet about a third more than if you drove just a little more gently.  Oh, and cruise control can help with that smooth, steady speed, so use it on the highway. Bonus! Are you hauling around a set of dumbbells or a box of books? That extra weight is costing you dough.  Store them somewhere else.  When's the last time you checked to see your tires were inflated properly? That's another money saver and makes your vehicle safer. An idle thought ... read more

Not So Hot in San Diego

When the weather turns cold, it's nice to crank up the furnace and enjoy the heat. But if your home's furnace doesn't work, it's not too comfortable. Same goes with your vehicle. When the heater's not working, things can get miserable. It could also signal some major problems, which we'll discuss later. A vehicle's heating system is fairly complicated. It's made up of several parts, including a blower motor/fan, a heater core and some mechanical and electrical components. In basic terms, a vehicle's engine warms up coolant which is then sent to the heater core (which is kind of like a small radiator) behind the dash. That blower motor sends cold air through the heater core which heats up the air. Voila! Heat. Diagnosing problems in this system takes a trained mechanic because of the different possible issues. Your heater core may need replacing; they are sometimes in tight spots and may be difficult to work on. Another possible problem could be a defective thermostat, which regulates h ... read more

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Cooling System

When "Shady" is a Good Thing

Just like your skin can burn from too much sun, so can the paint on your vehicle.  It can turn dull, oxidize and fade the more ultraviolet rays beat down on it. One solution is to park in a shady spot, or you can buy a cover for your vehicle and put it on when you know it's going to be sitting in the sun for awhile. Yes, it takes a couple of minutes to put on, but in the end, keeping the gloss on your paint will help it retain its beauty… and its value. And it's not just the sun that can damage your vehicle's paint.  Grit, bird droppings, sap, dust and dead bugs can all ruin the paint.  So, keep your vehicle clean.  Wash it with a soap made especially for vehicles. Dry it with special towels that won't scratch your paint.  Remember:  DON'T WASH YOUR VEHICLE IN THE SUN. Once your vehicle is washed, protect the paint even further with a coat of wax.  DON'T WAX YOUR VEHICLE IN THE SUN, EITHER. Don't forget the vehicle's interior.  Plastic com ... read more

John's Automotive Care Automotive Tips: Alternator

Your alternator makes electricity to start and run your engine and all of the vital electrical systems in your vehicle. That’s everything from the on-board computers to the turn signals. And of course there is the entertainment system, seat heaters, power windows and everything you plug into the power outlets. After your alternator makes enough electricity to do all that, it recharges your battery with what’s left over.When San Diego drivers constantly have a low or dead battery, the alternator is usually a prime suspect. However, the alternator is just one vital component of the starting/charging system, and a problem with any of the other components could be the actual cause.In addition to the alternator, the charging/starting system includes the battery, starter, serpentine belt system and all of the electrical cables that connect them. Your John's Automotive Care service advisor has a systematic process of testing components and connections to get to the source of ... read more

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Alternator
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