Chapter 27 Tires

True or False. More plies in a tire improve the ride quality of the tire.

• True

• False

True or False. A tire valve is a specially designed opening that allows a tire to be inflated and then automatically closes to prevent air from escaping.

• True

• False

True or False. A tire with an A temperature rating has the best temperature resistance.

• True

• False

True or False. Over inflation of a tire causes excessive wear on the outer edges of the tread.

• True

• False

True or False. Tires and wheels must be balanced statically and dynamically.

• True

• False

True or False. When checking air pressure, always refer to the tire sidewall, because this is the most accurate air pressure reading.

• True

• False

True or False. A tire designated with the letter T is for heavy trucks not light trucks or passenger vehicles.

• True

• False

True or False. When a radial tire bulges on the sidewall, this means that the tire is underinflated all the time.

• True

• False

True or False. The DOT number on a tire tells the technician the exact date the tire was made, to the minute.

• True

• False

True or False. The TPMS must be on all new vehicles starting with the 2008 model year.

• True

• False