Very well could be. I had the same shudder at the same speeds, plus some serious wandering at cruising speed. All went away with the new mounts.

Remember - one side at a time, work slow and think it through.

__________________
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon TDI...at least its a diesel

Non illegitemae carborundum.