What To Do
LOOKS LIKE TROUBLE
Identifying the cause of a puddle of fluid under
your vehicle may save you serious trouble down the road. Small stains or an occasional drop may be of little concern.
But wet spots deserve attention and bigger puddles should be checked immediately by the nearest service station.
Fluids can be identified by their color and consistency:
green, pastel blue or florescent orange colors
indicate an overheated engine or an antifreeze leak caused by a bad hose, water pump or leaking radiator.
brown or black oily fluid means
the engine is leaking oil. The leak could be caused by a bad seal or gasket.
* A red
oily spot indicates a transmission
or power-steering fluid leak.
* A puddle of clear water is usually no problem. It may be normal condensation from
your vehicle air conditioner.
SMELLS LIKE TROUBLE
Some problems can be detected simply by following
your nose. Consider these causes if you smell something unusual about your vehicle:
* Burned toast or a light, sharp odor often signals an electrical short and burning insulation.
To be safe, try not to drive the vehicle until the problem is diagnosed.
* Rotten eggs or a continuous burning-sulphur
smell usually indicates a problem
in the catalytic converter or other emission control devices. Do not delay diagnosis and repair.
* A thick acrid odor usually means burning oil. Look for signs of a leak.
* If you smell gasoline
vapors after a failed start,
you may have flooded the engine. Wait a few minutes before trying again. If you constantly smell gas, you probably
have a leak in the fuel system. This is a potentially dangerous problem that should be repaired immediately.
* Burning resin or an acrid chemical odor may signal overheated brakes or clutch. Check the parking
brake. Stop and allow the brakes to cool after repeated hard braking on mountain roads. Light smoke coming from
a wheel indicates a stuck brake. The vehicle should be towed for repair.
* A sweet, steamy odor indicates a coolant leak. If the temperature gauge or warning
light does not indicate overheating, drive carefully to the nearest service station, keeping an eye on your gauge.
If the odor is accompanied by a hot,
metallic scent and steam from
under the hood, your engine has overheated. Pull over immediately. Continued driving could cause severe engine
damage. The vehicle should be towed for repair.
SOUNDS LIKE TROUBLE
Squeaks, squeals, rattles, rumbles and other sounds
can provide valuable clues about problems and maintenance needs. Here are a number of the more common noises and
what they may mean:
Squeal - A shrill, sharp noise, usually related to engine speed.
* Loose or worn power steering, fan or air conditioning
Click - A slight sharp noise, related to either engine speed or vehicle speed.
* Loose wheel cover.
* Loose or bent fan blade.
* Stuck valve lifter or low engine oil.
Screech - A high-pitched, piercing metallic sound, usually occurs while the vehicle is in motion.
* It is caused by brake wear indicators to alert
the driver that brake maintenance is needed.
Rumble - A low-pitched rhythmic sound.
* Defective exhaust pipe, converter or muffler.
* Worn universal joint or other drive-line component.
Ping - A high-pitched metallic tapping sound, related to engine speed.
* Usually caused by fuel with a lower octane rating
than recommended. Check your owner's manual for the proper octane rating. You may want to switch to a different
gas octane or gas station. If the problem persists, engine ignition timing could be the culprit.
Heavy Knock - A rhythmic pounding sound.
* Worn crankshaft or connecting rod bearings.
* Loose transmission torque converter.
Clunk - A random thumping sound.
* Loose shock absorber or other suspension component.
* Loose exhaust pipe or muffler.
FEELS LIKE TROUBLE
Difficult handling, a rough ride, vibration and
poor performance are the kinds of symptoms you can feel. When the driving experience doesn't feel quite right,
* Wandering of difficulty steering in a straight
line can be caused by misaligned front wheels and/or worn steering components such as the idler arm or ball joints.
* Pulling, the vehicle's tendency to steer to the left or right, can be caused by something as simple as under-inflated
tires, or as serious as a damaged or misaligned front end.
Ride and Handling
* Worn shock absorbers or other suspension components
can contribute to poor cornering characteristics. Also check for proper tire inflation.
* While there is no hard and fast rule about when to replace shock absorbers or struts, try this test: bounce the
vehicle up and down hard at each wheel and then let go. See how many times the vehicle bounces. Weak shocks will
allow the vehicle to bounce twice or more.
* Springs do not normally wear out and do not need replacement unless one corner of the vehicle is lower than the
others. Overloading your vehicle can damage your springs.
* Tires always should be balanced properly. An unbalanced or improperly balanced tire will cause the vehicle to
vibrate and may prematurely wear steering and suspension components.
The following symptoms indicate problems with your
brakes. Diagnosis and repair should be scheduled.
* The vehicle pulls to the left or right when the
brakes are applied.
* The brake pedal sinks to the floor when braking pressure is maintained.
* Scraping or grinding is heard or felt during braking.
* The "brake" light on the instrument panel is lit.
All of the following symptoms indicate problems
with your engine. Diagnosis and repair are needed.
* Difficulty starting the engine.
* Rough idling or stalling.
* Poor acceleration.
* Poor fuel economy.
* Excessive oil use (more than one quart between changes).
* The "check engine" light on the instrument panel is lit.
Poor transmission performance may come from actual
component failure or a simple disconnected hose or plugged filter. Make sure the technician checks the simple items
first; transmission repairs are normally expensive. Some of the most common symptoms of transmission problems are:
* Abrupt or hard shifts between gears.
* Delayed or no response when shifting from neutral to drive or reverse.
* Failure to shift during normal acceleration.
* Slippage during acceleration. The engine speeds up, but the vehicle does not respond.
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Sometimes problems may require a simple repair,
not a major overhaul. Here are a few common repair tips:
Loose wiring can make your alternator appear defective.
Make sure the technician checks for loose connections and performs an output test before replacing it.
Corroded or loose battery terminals can make the
battery appear dead or defective. Make sure the technician cleans the terminals and tests battery function before
What appears to be a defective starter may actually
be a dead battery or poor connection. Ask your technician to check all connections and test the battery before
repairing the starter.
A loud rumbling noise under your vehicle indicates
the need for a new muffler or exhaust pipe. Quality replacement parts obviously cost more. Low-priced parts are
seldom a good buy unless you keep the vehicle less than a year. Make sure you understand exactly what the warranty
covers, because many exhaust system warranties have serious exceptions and limitations.
The old-fashioned "tune-up" may not apply
to your vehicle. Fewer parts need to be replaced on newer vehicles other than belts, spark plugs, hoses and filters.
Follow recommendations in your owner's manual.