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Hole in muffler

A hole in the muffler will distort the noise dampening effect, causing a exhaust noises to be abnormally loud.

created: Jun 7, 2008 - last edited: Jun 25, 2010 - category: Exhaust

Hole or rupture in the gas tank or filler neck tubing

A hole in the gas tank can cause gas leaks. Depending on the position of the hole, the gas many only leak above a certain point. However, the gas may evaporate creating a situation where the gas leaks

created: Jun 7, 2008 - last edited: Jul 1, 2010 - category: Fuel System

Horn Relay

The horn relay is a device that connects the horn to the battery. When the horn button is pressed, the circuit is closed and current flows from the battery to the horn. The use of a relay avoids a dro

created: Jun 20, 2010 - last edited: Jun 20, 2010 - category: Interior and Accessories

Horn Relay Shorted

If the horn relay is defective, the electrical current will not be able to reach the horn. Depending on the defect, the horn may be able to sound once in a while or not at all. The defect may also kee

created: Jun 7, 2008 - last edited: Jul 12, 2010 - category: Interior and Accessories

Horn Switch Intermittently Operates

If the horn switch is operating intermittently, the horn will only sound once in a while. The horn circuit is not being completed every time the horn switch is pressed. This can be caused by a defecti

created: Jun 7, 2008 - last edited: Jul 13, 2010 - category: Interior and Accessories

Horn Switch Shorted

The horn switch is the button the driver pushes to sound the horn. If it is defective, the driver will be unable to operate the horn. The switch activates the horn relay, completing the electrical cir

created: Jun 7, 2008 - last edited: Jul 13, 2010 - category: Interior and Accessories

Hose Clamps

Hose clamps are metal rings that are tightened around the connection point of a hose to prevent leaks and to keep the hose in place.

created: May 9, 2010 - last edited: May 9, 2010 - category: Other

Hot/Cold Switch

The hot/cold switch, also called the hot/cold potentiometer, is the driver control for the climate control temperature. It can be a knob or a bar that shifts between the heater, in the red, and the ai

created: Jun 4, 2010 - last edited: Jun 4, 2010 - category: Interior and Accessories

Hubcap

A hubcap is the covering of a wheel. This covering is sometimes decorative.

created: Mar 3, 2009 - last edited: Mar 3, 2009 - category: Wheels and Tires

Hubcap misaligned or loose

A hubcap that is loose or misaligned can rub up against the tire or wheel an produce a noise. Depending on the attachment, a loose hubcap will produce a noise at random intervals. A misaligned hubcap

created: Jun 7, 2008 - last edited: Jul 1, 2010 - category: Wheels and Tires