Just pulled a tough hill, towing my about 17k 5ver, pushing it hard to get past a wide load truck and the turbo went to about 20,000 or so... pretty loud wind up noise that is new to me. Wondered if ...
Thx .... I guess I have read most of the manual, even the 900 page one RAM sent when I kept calling with questions.... must have had a brain #$%^ on boost pressure. Fan kicking in could have been it... tough hill and topped it at 61 mph... way too macho but ... well, you know.