Our 2008 GMC Envoy kept on getting louder and louder as time went on and when I went to check it out I found that the exhaust manifold had a crack in it about 3.5 inches long. If feel that this should be a recall do to I changed 3 od them in other GMC Envoy in the last 6 months. I own a state inspection repair garage in Pennsylvania.this is a very poor layout by GM. Also the secondary air pump on this same vehicle is a command problem. And the wiper spray nozzle is also another command poor design.

- Meadville , PA, USA

I started my vehicle in the am and it made a loud muffled noise. Took it to the mechanic and he showed me a picture of a crack in the xhaust manifold. I looked online and saw recalls for other years and models for GMC and Chevy. I think the 2008 Chevy Envoy should be included. It seems to be that the manifold is defective.

- San Diego, CA, USA

The contact owns a 2008 GMC Envoy. The contact stated that the vehicle stalled. The vehicle was taken to the dealer, who advised the contact that because the air pump was located under the vehicle, it was left exposed to debris, which had built up in the air pump over time. The vehicle was not repaired. The contact called the manufacturer and filed a complaint. The failure mileage was 72,000.

- Youngstown, OH, USA

The contact owns a 2008 GMC Envoy. The contact stated that the check engine warning lamp illuminated on the instrument panel. The vehicle was taken to the dealer and they stated that the seal that was on top of the fire wall was damaged. As a result, the water was sipping into the engine compartment and was getting on the coil packs and the plugs. The vehicle was not repaired. The manufacturer was not notified. The failure mileage was 59,000. The VIN was unavailable.

- Cichester, NY, USA