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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

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Old 04-17-2021, 01:14 PM   #1 (permalink)
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Default 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?
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Old 04-17-2021, 06:34 PM   #2 (permalink)
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If they are studs. They don't come out.
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Old 04-17-2021, 08:24 PM   #3 (permalink)
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The studs are welded on.
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Old 04-18-2021, 05:52 AM   #4 (permalink)
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Thanks, I better be careful taking the nuts off.
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Old 04-18-2021, 12:08 PM   #5 (permalink)
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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.
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Last edited by SouthArk370Z; 04-18-2021 at 10:14 PM.
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Old 04-18-2021, 06:36 PM   #6 (permalink)
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Quote:
Originally Posted by SouthArk370Z View Post
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. Impact gun, no-no on exhaust. Kiss an O2 sensor or 2 good-bye.
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Old 04-18-2021, 10:11 PM   #7 (permalink)
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Quote:
Originally Posted by Rusty View Post
You take all the fun out of things. Sometimes, the flame wrench is the only way to go.


Quote:
Originally Posted by Rusty View Post
Impact gun, no-no on exhaust. Kiss an O2 sensor or 2 good-bye.
You're correct, sir. Thanks for pointing that out.
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Old 04-19-2021, 12:57 PM   #8 (permalink)
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Got them off. Just use a regular socket wrench. I was just worried about snapping the studs.
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