Chevrolet Cruze manuals

Chevrolet Cruze Owners Manual: Tire Designations

Tire Size

The following is an example of a typical passenger vehicle tire size.

(1) Passenger (P-Metric) Tire: The United States version of a metric tire

(1) Passenger (P-Metric) Tire:

The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U.S. Tire and Rim Association.

(2) Tire Width:

The three-digit number indicates the tire section width in millimeters from sidewall to sidewall.

(3) Aspect Ratio:

A two-digit number that indicates the tire height-to-width measurements.

For example, if the tire size aspect ratio is 60, as shown in item 3 of the illustration, it would mean that the tire's sidewall is 60 percent as high as it is wide.

(4) Construction Code:

A letter code is used to indicate the type of ply construction in the tire.

The letter R means radial ply construction; the letter D means diagonal or bias ply construction; and the letter B means belted-bias ply construction.

(5) Rim Diameter:

Diameter of the wheel in inches.

(6) Service Description:

These characters represent the load index and speed rating of the tire. The load index represents the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load.

Tire Sidewall Labeling
Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example (1) Tire Size ...

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: ...

Other materials:

Instrument Panel Upper Compartment Replacement
Instrument Panel Upper Compartment Screw (Qty: 2) Caution: Refer to Fastener Caution in the Preface section. Procedure Before removing the instrument panel upper compartment screws, remove mat. Tighten 2.5 N·m (23 lb in) Instrument Panel Upper Compartment Assembly ...

Environmental Fallout (Acid Rain)
Caution: Refer to Clearcoat/Ultraviolet Screeners Caution in the Preface section. Note: Always refer to the manufacturer's packaged instructions for the detailed procedures of materials used for compounding and/or polishing. Since the severity of the condition varies from area to area, proper ...

Tyre and Wheel Removal and Installation
Removal Procedure Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the wheel center cap. Mark the relationship of the wheel (2) to the hub. Remove the wheel nuts (1). Warning: If penetrating oil gets on the vertical surfaces between the ...

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