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Car Forum / Volvo Cars / August 2006Exhaust Stud Treatment?
I'm replacing a couple broken exhaust manifold studs in my '84 240T, and I'm wondering if I need to treat the studs with anything before putting them in. The crushed nuts have a nice locking mechanism, but there is nothing that keeps the stud from backing out. Should I put lock-tite on the threads, or is this just asking for trouble later? It is an '84 so I don't know if this maintenance will ever be done on it again..... Thanks, -zoltan I have not added anything, and had no trouble. Besides, assuming Loc-Tite would survive the high temps, the LAST thing you want at some future date is to have the stud break off again, and be unable to remove it easily because you used Loc-Tite. > I'm replacing a couple broken exhaust manifold studs in my '84 240T, > and I'm wondering if I need to treat the studs with anything before [quoted text clipped - 5 lines] > > Thanks, -zoltan I'd put some anti-sieze compound on them. I'd much rather have them back themselves out than break off, the latter of which being the only issue I've experienced. > > I'm replacing a couple broken exhaust manifold studs in my '84 240T, > > and I'm wondering if I need to treat the studs with anything before [quoted text clipped - 9 lines] > themselves out than break off, the latter of which being the only issue > I've experienced. Thanks.....I had one stud back out on me, but it's probably just an anomaly..... -z > Thanks.....I had one stud back out on me, but it's probably just an > anomaly..... I regularly inspect the nuts/studs on the exhaust sysem and on the turbo, as I too have had issues with nuts coming loose from vibration. Never had a stud back out though. Just get in the habit of visually inspecting things regularly, check for tightness with a wrench every time you change the oil e.g. > Just get in the habit of visually inspecting things regularly, check > for tightness with a wrench every time you change the oil e.g. I would except the heat shield makes this process a little more involved.... >>Just get in the habit of visually inspecting things regularly, check >>for tightness with a wrench every time you change the oil e.g. > > I would except the heat shield makes this process a little more > involved.... I chucked the heat shield a few years ago, doesn't seem to make any difference, I use Magnecore plug wires with a lifetime warranty, they seem to be holding up. Not sure if the shield had any other function but one of the bolts holding mine on was already broken off. > I chucked the heat shield a few years ago, doesn't seem to make any > difference, I use Magnecore plug wires with a lifetime warranty, they > seem to be holding up. Same here, I haven't had a heat shield for a few years, no problem. |
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