Any ideas how best to deal with this??? rusted motor lugs???

texman38 · 01-13-2018, 05:02 PM

the motor is still good just... even if i get the nuts off, the lugs are in such poor condition, just not sure if these terminals can be replaced or wire brushed to get back to solid metal for a good connection... any experience? thoughts?

NCPW · 01-13-2018, 07:17 PM

Soak them in Pb blaster over night. Use 2 wrenches, one to hold the bottom nut and the other to turn the top nut.

If you get a too much resistance after letting it soak over night, don't force it, just soak it again then retry.

scottyb · 01-13-2018, 07:43 PM

A stiff wire wheel on a drill will remove the rust from the exposed threads making it more likely the nut will thread off if you do get it to move.

Mooncarter · 01-14-2018, 12:01 AM

Good advice guys!

texman38 · 01-14-2018, 12:20 AM

Quote:

Originally Posted by NCPW

Soak them in Pb blaster over night. Use 2 wrenches, one to hold the bottom nut and the other to turn the top nut.

If you get a too much resistance after letting it soak over night, don't force it, just soak it again then retry.

good advice! thanks!

texman38 · 01-14-2018, 12:21 AM

Quote:

Originally Posted by scottyb

A stiff wire wheel on a drill will remove the rust from the exposed threads making it more likely the nut will thread off if you do get it to move.

thanks!

HiTechRedNeck · 01-15-2018, 02:06 PM

If you spin the stud and damage brushes or wires-- you will need a brush kit---
get one with all hardware nuts+insulators that will make life easier.

mgray70 · 01-15-2018, 05:24 PM

Quote:

Originally Posted by HiTechRedNeck

If you spin the stud and damage brushes or wires-- you will need a brush kit---
get one with all hardware nuts+insulators that will make life easier.

That's only on the A studs. Turn one of the field studs and break them you'll be in a world of trouble!

Sent from my SM-G930R4 using Tapatalk

Goliath · 01-15-2018, 07:41 PM

One of my Aston Martin technicians turned me onto this stuff:

It's called Aerokroil
http://www.kanolabs.com/penLub.html#anchor173855

Weird name, but works like a champ. We've used it on frozen exhaust studs, rusted chassis bolts, etc.
Soak, wait overnight, try one time, maybe need a second application.

Definitely follow NCPW's advice and use two wrenches.

Rooster59 · 01-15-2018, 10:07 PM

Kroil is the best I have found. Aerokroil is the spray version. Better than PB Blaster. Be patient on tough things. A couple or three application efforts is prudent.

01-13-2018, 07:17 PM	#2
NCPW Just Gone Join Date: Sep 2015 Location: North Carolina Posts: 3,549	Re: Any ideas how best to deal with this??? rusted motor lugs??? Soak them in Pb blaster over night. Use 2 wrenches, one to hold the bottom nut and the other to turn the top nut. If you get a too much resistance after letting it soak over night, don't force it, just soak it again then retry.

01-13-2018, 07:43 PM	#3
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,408	Re: Any ideas how best to deal with this??? rusted motor lugs??? A stiff wire wheel on a drill will remove the rust from the exposed threads making it more likely the nut will thread off if you do get it to move.

01-14-2018, 12:01 AM	#4
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: Any ideas how best to deal with this??? rusted motor lugs??? Good advice guys!

01-15-2018, 02:06 PM	#7
HiTechRedNeck Gone Wild Join Date: Aug 2014 Location: Duncan Corners Posts: 905	Re: Any ideas how best to deal with this??? rusted motor lugs??? If you spin the stud and damage brushes or wires-- you will need a brush kit--- get one with all hardware nuts+insulators that will make life easier.

01-15-2018, 07:41 PM	#9
Goliath Gone Wild Join Date: Jun 2017 Location: San Diego Posts: 189	Re: Any ideas how best to deal with this??? rusted motor lugs??? One of my Aston Martin technicians turned me onto this stuff: It's called Aerokroil http://www.kanolabs.com/penLub.html#anchor173855 Weird name, but works like a champ. We've used it on frozen exhaust studs, rusted chassis bolts, etc. Soak, wait overnight, try one time, maybe need a second application. Definitely follow NCPW's advice and use two wrenches.

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01-15-2018, 10:07 PM	#10
Rooster59 Gone Wild Join Date: Jul 2017 Location: East Central Missouri Posts: 1,955	Re: Any ideas how best to deal with this??? rusted motor lugs??? Kroil is the best I have found. Aerokroil is the spray version. Better than PB Blaster. Be patient on tough things. A couple or three application efforts is prudent.

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