Mechanical - Frequent Asked Questions

How often should I ROTATE MY TIRES?


Your tires should be rotated EVERY OTHER OIL CHANGE or EVERY 6000 MILES, whichever comes first. Neglecting to rotate tires is a major cause of premature tire wear.




Is it really NECESSARY to replace the TIMING BELT at the recommended interval?


YES! The failure of a timing belt in many cars can result in MAJOR ENGINE DAMAGE. The cost of repairing an engine with a broken timing belt is MUCH GREATER than the cost of a timing belt replacement.




What does it mean if my "CHECK ENGINE" or "SERVICE ENGINE SOON" light comes on?


There are MANY SENSORS and COMPUTERIZED COMPONENTS that manage your vehicle's engine performance and emissions. WHEN ONE OF THESE FAILS, the "check engine" light is illuminated. Although your car may seem to run fine, it is important to have the issue addressed to prevent long-term problems.




What should I do if my car starts to OVERHEAT?


This is a very SERIOUS problem - if your car overheats for too long, you can DAMAGE THE ENGINE. ASAP, find a safe place to pull off the road and SHUT THE ENGINE OFF!! DO NOT attempt to check the fluid level in the radiator; the hot fluid can cause severe burns. The best thing to do is have your car towed to Mobilex Auto Salon (909) 653-0608.




When should I get my OIL CHANGED?


You should get your oil changed EVERY 3000 MILES or AS RECCOMENDED in your vehicle's owner's manual.




Should I consider using SYNTHETIC MOTOR OIL in my vehicle?


Synthetic motor oils can be a good choice for high output, TURBOCHARGED or SUPERCHARGED engines. Or for vehicles that are used for TOWING (especially during hot weather), and vehicles that operate in extremely Cold or Hot Climates. Although more expensive than mineral-based oils, synthetic motor oils CAN IMPROVE FUEL ECONOMY and provide LONGER INTERVALS between changes.




When should I replace my CAR’S FUEL FILTER?


To help ensure dependable, trouble-free performance, REPLACE your car's fuel filter approximately EVERY 30,000 MILES or as RECOMMENDED in your vehicle's owner's MANUAL.




When should I change my SPARK PLUGS?


For maximum FUEL ECONOMY and peak engine PERFORMANCE, your spark plugs should be replaced EVERY 30 MONTHS or 30,000 MILES, unless your vehicle is equipped with 100,000-MILE PLATINUM TIPPED spark plugs.




What is PREVENTIVE MAINTENANCE?


Preventative Maintenance is regular maintenance of your vehicle that helps keep your VEHICLE RUNNING EFFICIENTLY and ELEMINATING POTENTIAL that may leave you stranded. Manufacturers know that a properly maintained car will be more DEPENDABLE, SAFER, LAST LONGER, and increase your satisfaction with their product.




What INCLUDED in PREVENTIVE MAINTENANCE?


  • Servicing WINDSHIELD WIPERS
  • TUNE-UP or servicing/replacing SPARK PLUGS, IGNITION WIRES, DISTRIBUTOR CAP, and ROTOR.
  • Replacing AIR FILTERS
  • Engine OIL CHANGE
  • DIFFERENTIAL GEAR OIL change
  • TRANS-AXLE oil change
  • Routine HOSE INSPECTION
  • BATTERY service
  • Exterior DRIVE BELT replacement
  • Servicing/replacing TRANSMISSION OIL and FILTER
  • TIMING BELT replacement
  • BRAKE FLUID flush
  • POWER STEERING flush
  • ANTIFREEZE replacement/flush
  • ROTATE TIRES
  • INSPECT EXHAUST system for leaks
  • INSPECT BRAKE linings brake ROTOR HYDRAULIC lines CALIPERS and WHEEL CYLINDERS
  • Replace CABIN AIR FILTER
  • Used car SAFETY INSPECTION




What is the TIRE PRESSURE of my tires?


  • On newer cars, the recommended Tire Pressure is most commonly listed on a sticker inside the driver's door. If there's no sticker on the door, you can usually find the specs in the owner's manual.

  • The Tire Pressure also can be found on the side of the tire, the number will follow the letters PSI.









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