heat shields on 1984 Stanza

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E Z Peaces - 03 Oct 2007 18:34 GMT

To fix up my exhaust system I may have to remove the heat shields on the
downtube and the catalytic converter. Some or all the screws on the
downtube are frozen, so I should plan to wring them off, drill, tap, and
replace them. What kind of screw should I have on hand for this?

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al - 04 Oct 2007 02:02 GMT

> To fix up my exhaust system I may have to remove the heat shields on the
> downtube and the catalytic converter. Some or all the screws on the
> downtube are frozen, so I should plan to wring them off, drill, tap, and
> replace them. What kind of screw should I have on hand for this?

A nut and bolt is probably best since it will be possible to use
wrenches to undo things in the future. Of course, that presupposes
you can get a nut and bolt in there. Whatever you use, put lots of
anti- seize compound on all threads. In the future it's a good idea
to turn the screws, nuts, bolts a little bit whenever you happen to be
under the car and re-apply anti-seize compound as needed. The extreme
heat of the cat will tend to boil off the anti-seize compound after a
while. Good luck. Al

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AS - 04 Oct 2007 21:59 GMT

See if your local hardware store has stainless steel nuts and bolts.

Good luck!

>>To fix up my exhaust system I may have to remove the heat shields on the
>>downtube and the catalytic converter. Some or all the screws on the
[quoted text clipped - 9 lines]
> heat of the cat will tend to boil off the anti-seize compound after a
> while. Good luck. Al

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E Z Peaces - 14 Oct 2007 20:14 GMT

>>> To fix up my exhaust system I may have to remove the heat shields on the
>>> downtube and the catalytic converter. Some or all the screws on the
[quoted text clipped - 13 lines]
>
> Good luck!

Thanks to you and Al. I've been pondering it. If I used nuts and
bolts, I'd need two wrenches. I wonder if that could prevent my
tightening or removing them with the exhaust system mounted.

The idea of dropping the whole system appeals to me. It intimidates me
because the three nuts holding the front pipe to the header look hard to
get to, and I can't tell how corroded they may be. Dropping the system
from the flexible tube back sure helped for patching the back pipe.

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