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Username Post: Side post battery terminal fix?        (Topic#261804)
Bowtie_Guy 
Contributor
Posts: 241

Loc: Ohio in the "rust belt"
Reg: 09-04-04
04-24-11 08:07 AM - Post#2081154    

I have searched the forums without any luck so far so I'm posting this one. I have a side post terminal that has threads stripped out and now I have a battery less than a year old that I can't use. Does anyone know of a kit or possible repair advice for this problem? I tried tapping out the old wallered out threads with no success. It's just an open hole with no grip left. A shame to throw away a good battery.
67' Chevelle SS California car needs TLC
97' K1500 4X4


 
Bowtie_Guy 
Contributor
Posts: 241

Loc: Ohio in the "rust belt"
Reg: 09-04-04
04-24-11 09:33 AM - Post#2081182    
    In response to Bowtie_Guy

This is sad, desperation set in. I had an old soldering iron I inherited. It's a BIG one. I had to melt the old battery terminal and fill it up with hard lead. It looks horrible, but I flattened it out (used a grinder a rasp file would have looked better/flatter) drilled it and tapped it. The added depth helped (and having three taps with different lead lengths). I have my old friend starting and running! Life is good ....
67' Chevelle SS California car needs TLC
97' K1500 4X4


 
motorman 
Dedicated Enthusiast
Posts: 5170

Loc: south western pa.
Reg: 01-25-00
04-24-11 01:43 PM - Post#2081247    
    In response to Bowtie_Guy

  • Bowtie_Guy Said:
I have searched the forums without any luck so far so I'm posting this one. I have a side post terminal that has threads stripped out and now I have a battery less than a year old that I can't use. Does anyone know of a kit or possible repair advice for this problem? I tried tapping out the old wallered out threads with no success. It's just an open hole with no grip left. A shame to throw away a good battery.


how about a "heli coil" ??
retired race engine builder,former NASCAR tech inspector. new corvettes owned 1959,1962,1963,1964,1965, 1966,1997,1999,2002,2005, 2008 plus 30+ other chevy cars and trucks along the way. 2008 corvette sold and waiting on a C-7.


 
someotherguy 
Moderator
Posts: 25458
someotherguy
Age: 44
Loc: Texas
Reg: 08-01-03
04-24-11 02:01 PM - Post#2081257    
    In response to motorman

Sounds like the solder routine worked great though I'd be damn nervous to take a large soldering gun to a battery terminal!

I was thinking helicoil too but no matter what you do can be risky; you don't want to drill through and cause any kind of leak in the terminal. Even a small one would be enough to seep into the cable and eventually ruin it.

Before drilling it out large enough for a helicoil insert, I'd probably have tried the next drill bit size just enough to clear the ruined threads, then tap it for the next size bolt. The battery cable end would need slight reaming to fit the new bolt, but it should work as good as new.

Richard
94 C2500LD / 94 C1500 / 06 300C SRT8
Check out my truck shop projects


 
Bowtie_Guy 
Contributor
Posts: 241

Loc: Ohio in the "rust belt"
Reg: 09-04-04
04-24-11 07:08 PM - Post#2081423    
    In response to someotherguy

I thought of a helicoil, but it takes a specific sized drill that was larger than I wanted to use for the steel insert. I figured that the insert would not work as well as the hard lead since the corrosion is a factor. I know using a large solder iron was a bit much, but there was no open flame involved, just electric old iron with a massive heat sink style. I only drilled as far as the original depth and used extra lead on the face to make the hole slightly deeper for the extra thread needed. So, using a 5/16" drill and the stock depth made the fix. I didn't like the looks of it, but it worked. I wonder if anyone has used the helicoil with success and no extra loss of current. I do NOT like the new side post as opposed to the top mounted old style posts. I have had problems with corrosion in two batteries. But I love my truck. I have had such good dependable service I should have bought another battery, but I couldn't stomach another battery in ten months. After all I need to save my cash for the GAS I have to sick in it!
67' Chevelle SS California car needs TLC
97' K1500 4X4


 
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