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Tire and Wheel Theory. Chapter 54 Page 783. Tire Types. How a Tire is Built. Radial Tire Construction. Tires and What They Do. Non-Directional Tires. Directional Tires. R= Radial Tires R-Radial B-Bias Belted D- Diagonal. Tire Codes. P 205/75 R 15 P=Passenger Tire - PowerPoint PPT Presentation
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Tire and Wheel Tire and Wheel TheoryTheory
Chapter 54Chapter 54
Page 783Page 783
Tire TypesTire Types
How a Tire is BuiltHow a Tire is Built
Radial Tire Construction
Tires and What They Do
Non-Directional TiresNon-Directional Tires
Directional TiresDirectional Tires
Tire Tire CodesCodes
P 205/75 R 15P 205/75 R 15
P=Passenger TireP=Passenger Tire P-passenger TireP-passenger Tire T-TemporaryT-Temporary C-CommercialC-Commercial LT-Light TruckLT-Light Truck T-TruckT-Truck
205= Section width in Millimeters
75= Aspect Ratio
Height divided by Width (MM)
R= Radial Tires•R-Radial
•B-Bias Belted
•D- Diagonal
15= Rim Diameter
How to Read the Tire Information
Speed RatingSpeed Rating All tires are rated with a speed letter. This All tires are rated with a speed letter. This
indicates the maximum speed that the tire can indicates the maximum speed that the tire can sustain for a ten minute endurance without sustain for a ten minute endurance without coming to pieces and destroying itself.coming to pieces and destroying itself.
Letter MPHLetter MPH P 95P 95 Q 100Q 100 R 106R 106 S 112S 112 T 118T 118 U 124U 124 H 130H 130 V 150V 150 W 168W 168 Y 188Y 188 Z 188+Z 188+
Rim Rim OffsetOffset
Zero Offset Positive Offset Negative Offset
Positive and Negative offset will change how a vehicle steers and turns.
Road side Inside
Wheel DesignationWheel Designation
Type of WheelsType of Wheels
Lug Nut TypesLug Nut Types
This taper goes toward the rim to center the rim on the lug studs.
What for lug cap separation. This will cause you to strip the lugs because they are smaller when the caps are missing.
Valve Stems & CapsValve Stems & Caps
Pressure sensitive cap
Steel Rubber
Valve CoreValve Core
Short Long
Your Job.Your Job. Complete chapter Questions 1-10 Complete chapter Questions 1-10
(review) and 1-10 (ASE-style). Page (review) and 1-10 (ASE-style). Page 794-795794-795
Write on a separate paper and write out Write on a separate paper and write out the complete question and your answer. the complete question and your answer. ( do not write the other answer options). ( do not write the other answer options).
Complete the chapter worksheet (I will Complete the chapter worksheet (I will give it out). You may write on it. give it out). You may write on it.
File all items in your note book.File all items in your note book. Notebooks will be graded in the future.Notebooks will be graded in the future.
