started motor and had a high pitched humm at idle speed. shut motor off. any ideas on source? thanks
J jabee Recruit Joined Oct 11, 2007 Messages 1 Oct 11, 2007 #1 started motor and had a high pitched humm at idle speed. shut motor off. any ideas on source? thanks
JUSTINTIME Captain Joined Sep 2, 2006 Messages 3,284 Oct 12, 2007 #2 Re: f150 unsual sound sounds like the drive shaft bushing in the midsection rodbolt will know
