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QH Automotive's DRIVABILITY INFORMATION

Have you ever felt like you and your auto repair professional do not speak the same language? Is it a clunk or a clank? A whir or a whine? Is it jerking or is it hesitating? When we drive our automobile, we use our senses - sight, smell, hearing, and feel. When something starts to go wrong, one of our senses will usually detect something different. Problems usually occur in two different ways, they either do it continually or intermittently. If something happens and it does it continually, then it probably requires immediate attention. Take your car to your service provider immediately before more damage is incurred. If you do not have a service provider that you trust, then bring it to QH Automotive at 226 West Avenue I. The second type of problem, the intermittent one, is more difficult to find. If the technician cannot duplicate the problem, then he cannot verify if it is fixed or may not be able to find it.

When you notice a problem with your automobile, you can save valuable time by finding out what it is doing, when it is doing it, where it is doing it, and under what conditions. This can be done while you are driving it. It is very helpful to be able to duplicate the problem for your service provider. The next most important thing to do is learn how to describe what the car is doing using the same language as your service provider. We are going to list things that are often noticed by using your senses while driving. We will describe it as you would notice it and give a word a service advisor or technician would use to describe it. Then you and your service provider can "talk the same language". Use the following terminology to either fill out the drivability worksheet or to talk to your service provider.

Get PDF to fill out.


SMELL
GASOLINE
EMISSIONS
Smell of gasoline like when filling your gas tank.
Heavy and continuous sulfur smell, like rotten eggs.
ANTI-FREEZE/COOLANT
BURNING OIL
Sweet, musty, steamy smell. Usually accompanied by under hood steam or slimy film on inside of windshield.
Heavy, thick smell possibly joined by smoke from under hood or car.
ELECTRICAL
OVERHEATED BRAKES OR CLUTCH
Acrid smell, like burnt toast or burnt plastic.
Burning material smell, like burning rubber.
OVERHEATING ENGINE  
Hot, metallicy odor usually joined by anti-freeze/coolant smell.
SOUNDS - HEARING
KNOCK CLUNK
Like knock on door. Like closing a heavy door.
CLICK RATTLE
Retractable ballpoint pen. Rock bouncing around in a can; baby's rattle.
BOOM GRIND
Thunder clap in the distance; Space Shuttle landing. Electric can opener; garbage disposal.
RUMBLE HISS
Rolling thunder; bowling ball rolling slowly down alley. Tea pot just before it whistles; sound of snake.
ROAR GROWL
Lion; waterfall. Mad dog!
SPIT SQUEAK
Drops of water hitting very hot skillet. Sneakers on wood floor; noisy door; bedsprings.
WHINE WHISTLE
Mosquito; dentist drill. Tea kettle boiling; toy whistle.
VISUAL - SIGHT
AUTOMATIC TRANSMISSION LEAK POWER STEERING LEAK
Usually red, could be brown if burnt, definitely oily. Could be red, clear, or brown if contaminated, definitely oily.
GEAR OIL - MANUAL TRANS OR AXLE ENGINE OIL LEAK
Light brown to black, heavy and thick in consistency. Usually dark, definitely oily feeling.
WATER BLACK SMOKE
Clear, evaporates - usually no stains. Usually out tailpipe - dark and black.
WHITE SMOKE STEAM
Billowy, lingering smoke, could have bluish tinge. White smoke that dissipates quickly.
ABNORMAL GAUGE READINGS WARNING LIGHTS
A gauge on instrument panel that reads different than usual. Lights on instrument panel that come on or flicker.
ANTI-FREEZE/COOLANT  
Light and thin, usually leaves stains - could be green, yellow, purple, orange, or pink - could even be rusty!  
HANDLING - FEEL
WANDERS PULL OR GRAB
Vehicle feels like it wants to go where it wants when trying to drive straight - requires frequent steering corrections to maintain direction. Used to define feel when braking. Vehicle moves left or right when braking. Pull is more gradual; grab is more defined and wants to move steering wheel in direction of pull.
SHIMMY VIBRATION
Rapid side-to-side motion felt in steering wheel. Shakes - can happen at any speed.
PULLS BOUNCY
Vehicle moves left or right when steering wheel is released. Takes a long time for up and down motion to stop after going over bump or dip.
BOTTOMING OUT EXCESSIVE PLAY IN STEERING WHEEL
Suspension moves to end of travel. Heavy thud felt - like a clunk but more suppressed. Must turn steering wheel excessively before vehicle responds.
HARD STEERING LOW BRAKE PEDAL
Hard to turn steering wheel, especially when parking. Pedal must be pushed unusually far before brakes engage.
SINKING BRAKE PEDAL BRAKES FADE
Vehicle starts to brake then eases up and pedal must be pushed more. Sometimes sinks while sitting at a light. Must push harder on pedal to have same braking effect. Severe cases can cause vehicle to not stop - felt especially on long down hill runs.
PERFORMANCE - FEEL
PINGING SLUGGISH
Sharp, rapid, metallic knocking noise with engine running usually worse on acceleration. Less power or slower response than normal, won't accelerate as fast as normal. Loses excessive speed up hills.
MISSFIRE CUTS OUT
Jerking sensation felt when driving - can be mild or feel like it is cutting out when severe. Sputtering out tailpipe when idling. Temporary loss of power, feels like engine quits at sharp irregular intervals - usually worse under heavy load.
HESITATES SURGES
Momentary lack of response when stepping on gas pedal, may cause engine to stall. Engine or vehicle speeds up and slows down with no change in gas pedal.
DEISELING STALLS
Engine continues to run after ignition is turned off. Engine usually shakes and can make knocking noise. Engine stops running, can happen at idle or while driving.
ROUGH IDLE OR ROUGH RUN  
Engine runs unevenly, shakes.  
Wow! What a lot of stuff! Thank you for your patience. If you accurately fill out the following printable worksheet and bring it in to QH Automotive when you are experiencing a problem, we will take 10% off the labor (up to $50!)

Get PDF to fill out.

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(661) 949-8484
226 West Avenue I Lancaster, CA 93534

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