I'd replace the hoses too, unless done in the last 5 years or 50,000 miles. Sounds very much like a failed hose lining acting as a one-way valve.
Nothing like fun! Peter _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com