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-   -   Axleback/Muffler Removal? (http://www.the370z.com/intake-exhaust/135923-axleback-muffler-removal.html)

2string1 04-17-2021 01:14 PM
Axleback/Muffler Removal?
 
I started to remove the muffler and attempted to remove the nuts. They didn't want to move so I stop for fear of breaking the studs. Do these studs pop out after taking the nuts off?

Rusty 04-17-2021 06:34 PM
If they are studs. They don't come out.

Spooler 04-17-2021 08:24 PM
The studs are welded on.

2string1 04-18-2021 05:52 AM
Thanks, I better be careful taking the nuts off.

SouthArk370Z 04-18-2021 12:08 PM
Get a small wire brush (powered, if possible) and clean the stud threads that are exposed.
Spray nuts with penetrating oil - PB Blaster, WD-40, etc. Let sit overnight. If rust/corrosion is really bad, repeat.
You're going to need a lot of torque and/or impact. You can buy small electric/battery impacts for pretty cheap nowadays - can be well worth the cost just in reduced frustration levels. :) Or use a long-handled wrench.
Applying heat can help but do NOT use an open flame under your car. Even a hair dryer can ignite gas fumes.

Good luck.


Edit: Forget the impact wrench. See discussion below.

Rusty 04-18-2021 06:36 PM
Quote:
Originally Posted by SouthArk370Z (Post 3992402)
Get a small wire brush (powered, if possible) and clean the stud threads that are exposed.
Spray nuts with penetrating oil - PB Blaster, WD-40, etc. Let sit overnight. If rust/corrosion is really bad, repeat.
You're going to need a lot of torque and/or impact. You can buy small electric/battery impacts for pretty cheap nowadays - can be well worth the cost just in reduced frustration levels. :) Or use a long-handled wrench.
Applying heat can help but do NOT use an open flame under your car. Even a hair dryer can ignite gas fumes.

Good luck.
You take all the fun out of things. Sometimes, the flame wrench is the only way to go. :tup: Impact gun, no-no on exhaust. Kiss an O2 sensor or 2 good-bye.

SouthArk370Z 04-18-2021 10:11 PM
Quote:
Originally Posted by Rusty (Post 3992442)
You take all the fun out of things. Sometimes, the flame wrench is the only way to go. :tup:
:)

Quote:
Originally Posted by Rusty (Post 3992442)
Impact gun, no-no on exhaust. Kiss an O2 sensor or 2 good-bye.
You're correct, sir. Thanks for pointing that out.
I'm still working on 60s muscle cars. :)
( Click to show/hide )

2string1 04-19-2021 12:57 PM
Got them off. Just use a regular socket wrench. I was just worried about snapping the studs.


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