Before loosening the wheel half retaining bolts, be sure the tire is completely ______.

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Multiple Choice

Before loosening the wheel half retaining bolts, be sure the tire is completely ______.

Explanation:
Before loosening the wheel half retaining bolts, the tire must be completely deflated. Removing pressure from the tire removes the force pushing the bead against the wheel, making it safe and easier to separate the wheel halves without the tire or bead springing or ballooning under any residual pressure. If the tire were inflated (or only partially deflated), the remaining pressure could cause the bead to grip or the tire to press outward as bolts are loosened, creating a safety risk and potential damage. Completely deflated ensures the tire is at zero pressure, so the wheel halves can be opened safely.

Before loosening the wheel half retaining bolts, the tire must be completely deflated. Removing pressure from the tire removes the force pushing the bead against the wheel, making it safe and easier to separate the wheel halves without the tire or bead springing or ballooning under any residual pressure. If the tire were inflated (or only partially deflated), the remaining pressure could cause the bead to grip or the tire to press outward as bolts are loosened, creating a safety risk and potential damage. Completely deflated ensures the tire is at zero pressure, so the wheel halves can be opened safely.

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