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clf · 28th February 2020, 15:59

I am not convinced penny washers will help long term (in terms of a vibration tear), as I think it would simply move the tear further out, as the washer is a harder material than the heat shield. I do have both a grommet and penny washer. The grommet absorbing vibration, also (hopefully) acting as a sacrificial element, and the penny washer to spread the weight of the bolt tightened against it.

28th February 2020, 15:59	#10885
clf This is my second home MG ZT CDTi Join Date: Jan 2014 Location: carrick Posts: 7,859 Thanks: 3,494 Thanked 2,657 Times in 1,973 Posts	I am not convinced penny washers will help long term (in terms of a vibration tear), as I think it would simply move the tear further out, as the washer is a harder material than the heat shield. I do have both a grommet and penny washer. The grommet absorbing vibration, also (hopefully) acting as a sacrificial element, and the penny washer to spread the weight of the bolt tightened against it. __________________ It is not gloss primer .............. it is duct tape silver!