Vehicle Service FAQ's

Service FAQ's (Frequently Asked Questions)

Whether you own a Honda or another brand, all modern vehicles are made up of many different systems, each with their own special parts that require maintenance. Learn about these common wear items for your vehicle, and why keeping them inspected regularly is so important.

BELTS AND HOSES

Your car's belts and hoses are essential to the cooling, air conditioning and charging systems, and the engine. Don't take these routine replacement intervals for granted because they can break down and leave you stranded.
The timing belt keeps the crankshaft and camshaft mechanically synchronized to maintain engine timing. Whether serpentine, V-belt or fan belt (the belts on the outside of the engine), they all transmit power from the front of the engine to accessories that need to be driven, such as the air conditioning, the charging system and fans. Radiator and heat hoses carry coolant to and from the engine, radiator and heater core.

Key items that affect the replacement interval for belts and hoses:

  • Vehicle age
  • Electrolytic corrosion
  • Mileage
  • Oil contamination
  • Belt tension
  • Failed hose clamps
  • Symptoms
  • Squeaking noise from under the hood during start-up or operation
  • Coolant leaks
  • Dashboard light will illuminate

BRAKE SYSTEM

Your car's brake system is its most critical safety system and you should check it immediately if you suspect any problems. A properly operating brake system helps ensure safe vehicle control and operation under a wide variety of conditions.
When you push the brake pedal, the force generates hydraulic pressure in the master cylinder. This pressure flows through the hydraulic lines and hoses to the wheel cylinders and calipers, forcing the shoes against the drums (drum brakes) and the pads against the rotors (disc brakes). The resulting friction slows the vehicle and is relative to the amount of force applied at the brake pedal.

Brakes are a normal wear item for any car and eventually they're going to need replacement. Avoid letting your brakes get to the "metal-to-metal" point, which usually means accelerating expensive rotor or drum replacement. Several factors that affect wear include:

  • Driving habits
  • Operating conditions
  • Vehicle type
  • The quality of brake lining material
  • Symptoms
  • Car pulls to one side during braking
  • Brake pedal pulsates when you apply the brakes
  • Brake pedal feels "mushy"
  • Noise when you step on the brake pedal
  • Repeatedly need to add brake fluid to the master cylinder

EMISSION SYSTEM

Your car's emission system keeps the engine running cleanly and efficiently in all sorts of operating conditions. If your car's engine isn't performing up to par or the "Check Engine" light goes on, have it inspected immediately. Failure to do so can reduce your mileage per gallon of fuel or cause your vehicle to pollute.
Your car's emission system controls the emissions, exhaust and pollutants using an array of sensors, computerized engine controls and the exhaust components. The emission system substantially reduces harmful gases such as carbon monoxide (CO), unburned hydrocarbons (HC) and oxides of nitrogen (NOx), and prevents harmful gasoline vapors from escaping at the fuel tank.

Some factors affecting the emission system include:

  • Driving and atmospheric conditions
  • Mileage
  • Vehicle age
  • Type of spark plug electrode material
  • Maintenance history
  • Poor spark
  • Bad fuel
  • Damaged or worn sensors

ENGINE COOLING SYSTEM

The engine cooling system affects your car's overall dependability and engine longevity. Cooling systems have advanced over the years with new coolant formulations and new radiator designs and materials. If you suspect a problem with your cooling system, you should check it immediately.
The key parts of the cooling system remove heat from the engine and automatic transmission and dissipate heat to the air outside. The water pump circulates coolant through the engine. The coolant absorbs heat and returns it to the radiator where heat is dissipated. The thermostat regulates the coolant temperature to keep it consistent for efficient engine operation.

Factors that affect the replacement of cooling system parts include:

  • Driving habits
  • Operating conditions
  • Type of vehicle
  • Type of coolant
  • Frequency of regular maintenance such as coolant changes
  • Symptoms
  • Overheating
  • Sweet smell
  • Leaks
  • Repeatedly need to add fluid

EXHAUST SYSTEM

Your car's exhaust system has come a long way from the old days of exhaust pipes and mufflers. Today, the exhaust system is safety and emissions control rolled into one. Have your car's exhaust system inspected regularly and check it immediately if you suspect any problems.
The exhaust system routes dangerous exhaust gas from the engine out and away from the car to keep from affecting the occupants. Next, the exhaust system reduces exhaust noise from the engine. The catalytic converter reduces the level of harmful pollutants in the exhaust. Finally, the oxygen sensors mounted in the exhaust system monitor the level of exhaust gases to maintain efficient engine operation and to monitor the converter's operation.

Maintain a safe car with regular exhaust system checks. Factors that affect replacement requirements include:

  • Driving habits (short trips take their toll on exhaust system life)
  • Road conditions (salt, road spray, bumps)
  • Vehicle type
  • Age of exhaust system parts
  • Symptoms
  • Loud noise
  • Rattling noise when starting, accelerating or braking
  • Drowsiness while driving

FILTERS AND FLUIDS

Your car's filters are important to the longevity of your car and interior comfort. Maximize your car investment by replacing filters regularly.
The oil filter traps contaminants, allowing the oil to flow through the engine unrestricted. The fuel filter separates harmful contaminants that may cause problems with carburetors or intricate fuel injectors. The air filter traps dirt particles, which can cause damage to engine cylinders, walls, pistons and piston rings. The air filter also plays a role in keeping contaminants off the airflow sensor (in fuel-injected cars). The cabin filter helps trap pollen, bacteria, dust and exhaust gases that may find their way into a car's ventilation system.

Filters are normal wear items that require regular checks and replacement. Factors that affect replacement intervals include:

  • Mileage
  • Driving habits
  • Driving and road conditions
  • Type of filter
  • Vehicle type
  • Symptoms
  • Poor gas mileage
  • Hesitation while accelerating
  • Musty odor in the cabin

FUEL SYSTEM

You car's fuel system works with the rest of the engine control system to deliver the best performance with the lowest emissions. Check your car's fuel system regularly or immediately if you smell gas or suspect a problem.
The fuel system transfers fuel from the fuel tank and passes it through a fuel filter for cleaning before it arrives at the injectors. A pressure regulator controls fuel pressure to ensure good engine performance under a variety of speed and load conditions. Fuel injectors, when activated, spray a metered amount of fuel into the engine. Some vehicles use a return line system to return unused fuel back to the tank.

Intervals for fuel system maintenance may be influenced by:

  • Fuel quality
  • Vehicle age
  • Mileage
  • Operating conditions
  • Maintenance history
  • Symptoms
  • Clogged or worn fuel injectors
  • Poor fuel economy
  • Vehicle won't start
  • "Check Engine" light is illuminated

LIGHTING AND WIPERS

Lights and wipers play a major role in safe driving - the chances for accidents increase if you can't see or be seen. Some states have laws that require the headlights to be on with the wipers. If you detect any problems with your car's lights or wipers, have them checked out at once.
The wiper system keeps excessive water, snow or dirt from building up on the windshield and removes them to maintain clear visibility through the windshield. The lighting system provides nighttime visibility, signals and alerts other drivers, and supplies light for viewing instruments and the vehicle's interior.

Lights and wipers are normal wear items that require periodic replacement. Factors affecting replacement intervals include:

  • Operating conditions (winter conditions are tough on wiper blades)
  • Frequency of use
  • Material and type of lights and wipers
  • Sunny weather - wiper blades can deteriorate faster and need more frequent replacement in desert states
  • Symptoms
  • Chattering or streaking wiper
  • Rapid signal blinking
  • Dimming lights

STARTING, CHARGING AND BATTERIES

Your car's starting and charging systems, and the battery help ensure dependable vehicle operation whenever you drive your car and in all sorts of driving conditions. Make sure to check these systems regularly.
The battery stores electrical energy and the starter converts that energy into mechanical force to turn the engine for starting. The alternator produces electric current to replace what the starter used during start-up and to support electrical loads when the engine is running. An ignition module turns the low-voltage supply to the ignition coil on and off, and the coil produces the high voltage for the ignition system. This creates a spark at the spark plugs and ignites the air/fuel mixture in the engine. A belt transmits power from the front of the engine to the alternator's pulley, along with other accessories.

Driving habits such as frequent engine on/off cycles will cause more wear on the starter than a simple trip back and forth to work. Other factors include:

  • Driving and weather conditions
  • Mileage
  • Vehicle age
  • Excessive electrical draws like in-vehicle entertainment systems
  • Symptoms
  • Headlights and interior lights dim
  • "Check Engine" and/or battery light may come on
  • Accessories fail to operate

STEERING AND SUSPENSION

Like your car's brake system, the steering and suspension systems are key safety-related systems. Together, they largely determine your car's ride and handling. Have your car's steering and suspension systems checked regularly, at least once a year and usually with a wheel alignment.
The suspension maintains the relationship between the wheels and the frame or unibody. The suspension system interacts with the steering system to provide vehicle control. When working properly, the suspension system helps absorb the energy from road irregularities such as potholes and helps to maintain vehicle stability. The steering system transmits your input from the steering wheel to the steering gear and other steering components to control the car's direction.

Over time, steering and suspension components wear out and require replacement. Regular checks are critical to maintain a safe car. Factors that affect wear include:

  • Driving habits
  • Operating conditions
  • Vehicle type
  • Type of steering and suspension system
  • Frequency of regular maintenance such as chassis lubrication and wheel alignment
  • Symptoms
  • Pulling
  • Uneven tire wear
  • Noise and vibration while cornering
  • Loss of control

TRANSMISSION

The transmission works with the engine to provide power to you car's wheels. Whether automatic or manual, the transmission plays a major role in the overall dependability of your car. Make sure to check it at the first sign of problems.
A transmission/transaxle keeps the engine's output optimally matched to the speed and load conditions. The torque converter, connected to the automatic transmission/transaxle input shaft, connects, multiplies and interrupts the flow of engine torque into the transmission. Universal joints connect to the driveshaft to transmit output power from the transmission to the rear axle on rear-wheel-drive cars. Universal joints also allow the driveshaft to work at an angle. Automatic transmission fluid serves a multitude of purposes. It cleans, cools, lubricates, transmits force, transmits pressure, inhibits varnish buildup and continually protects the transmission. There are several different types of automatic transmission fluid. Reference your owner's manual for how they should be used.

Wear and tear on the transmission can be influenced by:

  • Driving habits
  • Towing or excessive loads
  • Operating conditions
  • Condition of the transmission fluid
  • Frequency of regular maintenance
  • Symptoms
  • Slipping
  • Hesitation
  • Bucking
  • Grinding gears
  • Difficulty shifting

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