Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Tire Inflation Description

Chevrolet Sonic Repair Manual / Chassis / Wheels/Tires / Wheels / Tire Inflation Description

When you inflate the tires to the recommended inflation pressures, the factory-installed wheels and tires are designed in order to handle loads to the tire's rated load capacity. Incorrect tire pressures, or under-inflated tires, can cause the following conditions:

Inspect the tire pressure when the following conditions apply:

Inspect the tires monthly or before any extended trip. Adjust the tire pressure to the specifications on the tire label. Install the valve caps or the extensions on the valves. The caps or the extensions keep out dust and water.

The kilopascal (kPa) is the metric term for pressure. The tire pressure may be printed in both kilopascal (kPa) and psi. One psi equals 6.9 kPa.

Inflation Pressure Conversion (Kilopascals to PSI)

kPa

psi

kPa

psi

140

20

215

31

145

21

220

32

155

22

230

33

160

23

235

34

165

24

240

35

170

25

250

36

180

26

275

40

185

27

310

45

190

28

345

50

200

29

380

55

205

30

415

60

Conversion: 6.9 kPa = 1 psi

Tires with a higher than recommended pressure can cause the following conditions:

Tires with a lower than recommended pressure can cause the following conditions:

Unequal pressure on the same axle can cause the following conditions:

Refer to the Tire Placard for specific tire and wheel applications and tire pressures.

Tire Dismounting and Mounting (Match Mounting)
Match mounting is required on any wheel/tire assembly not within RFV specification. Important: If a wheel/tire assembly is not within the RFV specification after match mounting, the ti ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or ...

Other materials:

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This vehicle has an HSA feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearward, during vehicle drive off. After the driver completely stops and holds the vehicle in a complete standstill on a ...

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