1 recall across 1 model year
The GMC Topkick C6500 has 1 recall affecting the 1986 model year, where the front air brake hoses can rub against the inner fender extensions, wear through, and rupture, causing a partial brake failure and significantly longer stopping distances.
When a hose chafes through and loses air pressure, the front brakes lose effectiveness and the vehicle requires more distance to stop than normal, raising the risk of a crash. The rubbing happens gradually as the hose contacts sheet metal during normal vehicle movement, so the damage can develop over time without obvious warning.
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