GMC Envoy owners have reported 2 problems related to brake hoses, lines/piping, and fittings (under the service brakes category). The most recently reported issues are listed below.
Lost brakes when driving on street replace master cyclinder both brake lines power steering pump is broken feul gauge doesn. T work what a mess.
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all problems of the 2005 GMC Envoy
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The contact owns a 2005 Envoy GMC. The contact stated that the vehicle stalled on numerous occasions. The contact was concerned that the fatal may result in a fatal injury. The vehicle was taken to a dealer on several occasions where it was diagnosed that the air boot and vacuum seal needed to be repaired additionally the vacuum booster on the brake line and cluster needed to be replaced. The vehicle was repaired but the failure recurred. The manufacturer was notified of the failure. The approximate failure mileage was 77,000.