2004 Buick Rainier Engine problems

Noises coming from under the hood; rattle, jingle, clunk; constant. Sounds like metal in a washing machine, but fine driveability and comfortable sounding highway driving. Driving in parking garage is noisy when accelerating, and quiet when coasting. Noise is quieter when ac is off. Noise is louder when accelerating, or at idle. After 30 minute drive, check engine light came on. Auto store gave codes that showed replacement of engine cooling fan clutch or ev fan motor. Less than 70k miles.

Tl*the contact owns a 2004 buick rainier. While driving 70 mph, the speedometer will display speeds between 20-120 mph. While driving various speeds on the freeway, the speed will decrease on its own. The contact must literally stand on the accelerator pedal to maintain a steady speed. While idling at a stop sign or light, the engine continues to rev. The contact scheduled an appointment with the dealer for june 23, 2008 to diagnose the failures. The current mileage was 41,000 and failure mileage was 35,000.

With vehicle temperature at normal range, in park and at normal idle when I push on the gas pedal the rpm would drop to under 500 and then go back up, almost like a hesitation of sorts. Took vehicle to buick dealer and was told that it was the secondary air pump, basically the egr valve. Was told this was part of the emissions of the vehicle but not covered under the emissions warranty nor would my extended warranty cover as well. Vehicle has 46,403 miles on it. *Tr

2004 Rainier experiencing intermittent popping noise. The dealer indicated that the noise was normal. The brakes made a grinding noise and the vehicle would not stop. This occurred three times. *Mr the driver heard wind noise while driving. The consumer also heard idling noises. *Nm

Dt: consumer was driving along and vehicle starts sputtering and then died out in the road. After the 1st incident vehicle was taken to dealer for repairs. The driver drove the vehicle for about two months and it happened again. The vehicle was taken back to dealer who indicated they couldn't find anything wrong. The manufacturer was contacted and they suggested that the consumer get a second opinion. The consumer has parked the vehicle because he is afraid to drive it for safety reasons. *Nm

The vehicle's engine has been sputtering, missing and surging since it was purchased. *Nm the vehicle was taken to the dealer but they were unable to find the cause of the problem. The vehicle battery failed. Water leaked through the front driver's side floor. Water also leaked into the vehicle by the hood release lever when raining. The passenger's side fender rattled. Headlight assembly seemed loose. Rack and pinion leaked. *Nm