Today we often refer to a 30,000-mile checkup as a “major service” that needs to be done as a routine job every two years or 30,000 miles to keep a car running at peak efficiency. Many years ago it was referred to as a tune-up! When consumers in Phoenix call around for pricing on this service they are often amazed at the dramatic price differences being quoted. This is mainly due to the fact that different shops view the “tune-up” or “major service” in a variety of ways.
A tune-up should always include a fuel filter, spark plugs, air filter, PCV filter, distributor ignition rotor and of course, the labor charges.
We let our customers know that:
- Just replacing the spark plugs is not a true tune up. They are a good indicator of an engine’s condition, however. Changing the plugs prevents them from seizing in the block. This seizing would cause expensive repairs to occur.
- The distributor cap and rotor are usually made of plastic and of course plastic cracks over time, allowing moisture in. The metal then corrodes as well and this causes misfiring which costs the consumer more in fuel.
- The spark plug wire sets need to be tested for proper resistance.
- Filters, of course, must be changed on a regular basis and may be the single most important key to any vehicle’s longevity.
- Oil filters prevent unnecessary engine wear as they remove soot, rust and other contaminates from the oil.
- Air filters remove dirt and protect fuel injectors.
- The PCV system consists of the breather tube and the PCV valve. The tube connects the crankcase to fresh air, such as the air cleaner body. Clean air flows in to this tube and in to the engine after it has passed through a screen, baffle, or other simple system to prevent an explosive atmosphere within the engine crank case from being ignited. The baffle, filter, or screen also traps oil mist, and keeps it inside the engine.
- The fuel filter traps contaminants that can clog the injector inlet screens. If not replaced regularly stalling, hard starting and loss of high speed power results.
- The automatic transmission filter cools and lubricates the moving parts plus transmits energy. If clogged the results are slippage and hesitation.
Drivers should be pleased to note that even if today’s “major service” doesn’t cure or prevent everything, it greatly reduces the need for expensive problems that can occur sooner rather than later. The “tune-up” has evolved to keep pace with today’s vehicles.