Initial Inspection and Diagnostic Overview

Incorrect tire inflation pressure can lead to the following symptoms:

Over-inflation
- Hard ride
- Tire bruising or carcass damage.
- Rapid tread wear at center of tire.

Under-inflation
- Tire squeal on turns.
- High steering effort.
- Rapid tread wear on tire edges.
- Tire bruises or bead rupture.
- Tire cord breakage.
- High tire temperatures.
- Degraded handling.
- Reduced fuel economy.

Unequal-inflation pressure on same axle
- Uneven braking.
- Steering lead or pull.
- Degraded handling.
- Swerve on acceleration.