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YOUR RESEARCHMuffler clamp torque
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I read that those clamps are made to be used only once.
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On any aftermarket exhaust system I have installed, they always gave torque specs for the clamps, bolts, etc. The service manual does not give any torque specs for the clamps that join the cat and muffler pipes. It just says to tighten. I am thinking about 35-40 lbs, but wanted some input. I want to avoid any leaks.
do you have the workshop manual?
http://www.cannell.co.uk/Manuals.htm
just looking I dont see it... the older manuals have ALL the torque specs, maybe its there and I didnt see it?
tighten... hmmm... IIRC I used my air ratchet and made them "tight" - didnt torque them
I do have the WS manual. The link you have included is where I downloaded mine from. It shows other torque for various exhaust fasteners, but not these clamps..........I was gonna copy and paste, but would'nt let me. Anyway I find that kind of irregular for Porsche.
I tightened *the crap* out of mine, and they still leak a little.. I think I need new ones as Ive taken them off and on a few times..
I thought I would add some scientific data to the torque specs.. :-)
keep in mind "the crap" is 1/2 turn before they break and "the ****" is 1/4 turn before.....
BEFORE!!
"thighening the F_K outta them" is 1/4 turn AFTER they break
If I remember right, the bolts are M12.
The M12 8.8 can be tightened to 80 - 100 Nm before it strech. If you put some lubrication on it, then its less than that.
http://www.imperialinc.com/pdf/A_Fas...rqueCharts.pdf
