Having trouble with 2007 Grand Prix I bought for my daughter so looking for some help,has a power steering leak which has been impossible to find,any one have any suggestions were to start looking?Previous owner replaced a hose will have to call him which one.Had at dealer twice can't find leak.Lasted about 2 weeks than pump was low so added fluid.Have added fluid twice,using fluid with a stop leak in it and when I returned it to shop second time because of noise by front off engine they had to replace brand new drive belt because it was covered in sticky oily crap,cost me another 225.00 bucks (Had just replaced belt and idler pulley in Oct; for 244.00) Beautiful car with only 95,000 km; on it,but this is driving me crazy and broke,so please I need help!!!!!!!