1999 Chevrolet Silverado 1500 Engine Problems

“Noticed that the front left exhaust manifold bolt broke off; no one has ever touched this part so the bolt was installed as original. Searching the internet I found this is a major -- and known -- problem affecting millions of these engines. The patter starts with a bolt or two then culminates with more broken bolts, an exhaust leak, overheated catalytic converter, damaged parts and potential fires.”

“The contact owns a 1999 Chevrolet Silverado 1500. The contact stated that while driving 50 MPH, the vehicle stalled. The contact stated that an unknown warning light was illuminated during the failure. The contact was able to restart the vehicle and drove the vehicle to the dealer. The dealer performed a diagnostic test but was unable to retrieve a fault code. The contact also stated that while driving 60 MPH, the vehicle stalled. …”

“The contact owns a 1999 Chevrolet SILVERADO 1500. The contact heard an abnormal knocking noise while starting the vehicle. In addition, the driver and passenger side plastic rollers were fractured and caused the seats to move. There were no warning indicators illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was 142,000.”

“The contact owns a 1999 Chevrolet SILVERADO 1500 (gmt800). While the vehicle was stationary, an abnormal odor was detected inside the cabin. The contact attempted to open the hood, but the latch failed to release the hood. Also, flames were seen underneath the hood. The contact believed the fire originated from the fuse box, which burned the engine wire harness. The fire was extinguished by the fire department. A police report was filed. There were no injuries sustained. The vehicle was towed to the contact's residence. The vehicle was not destroyed. …”