On my 124 cars, the nuts are copper I think, I know they are not steel.
They are one-time-use, designed to come off easily without corrosion
welding them to the stud.
Max Dillon,
Charleston SC
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On Tue, 26 Aug 2014 10:10:08 -0400 Meade Dillon via Mercedes
mercedes@okiebenz.com wrote:
On Tue, 26 Aug 2014 00:32:00 -0400 Rick Hawkins Java via Mercedes
mercedes@okiebenz.com wrote:
what kind of nuts should i use on the exhaust? they appear to be 17mm
wrench plain 10mm threaded nuts
Use the factory copper plated ones. Otherwise they tend to seize.
Peter
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Folks
Well despite lots of injector etc maintenance my 300td has been getting weak.
We did a compression test and got something like 420 on all cyls, so that is
good.
I knew i had an exhaust leak. I had thought it was the flex pipe, but alas
inspection revealed that my exhaust (and intake
