I was flushing my 2000 GTI and all of a sudden the engine started squealing? after about a minute. am afraid to start it again any ideas what it would be? Haven't run it for 1.5 yrs it was garage kept,,
Check the impeller for any debris in the shaft or impeller. It could be bad bearing in the jet pump as well. Pull the jet pump and nose cone as well to see if it has oil in it. There ar manuals avaible in the "premium section" to help out with removal and reassembling.