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Broke battery tray bolts... Suggestions

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Old 08-12-14, 06:21 AM
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sha4000
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Default Broke battery tray bolts... Suggestions

Not much to say I basically snapped the studs that hold the battery tray down and I'm not comfortable with the amount of movement the battery has now. What do you guys recommend I do to keep it stationary now?
Old 08-12-14, 10:50 AM
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timmy0tool
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ideal: replace broken studs
cheap: use a rubber tie down to strap it
Old 08-12-14, 11:29 AM
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lexmoose
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Originally Posted by timmy0tool
ideal: replace broken studs
cheap: use a rubber tie down to strap it
ideal: move the battery in the trunk and use that free space for a turbo
cheap: replace the broken stud
Old 08-12-14, 11:41 AM
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sha4000
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I don't know how easy it would be to weld 2 studs down there with the correct thread pitch. The tie down looks like a good temporary solution though.
Old 08-12-14, 01:47 PM
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paulo57509
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I've yet to have the need to examine the battery tray and the surrounding area in my car. So what follows might not be applicable. Just throwing out ideas.

Easy/Cheap:
Can you drill out the studs, install bolts from underneath and secure the tray with nuts?

Easy/Expensive (requires special tool)/Wow Factor:
You can drill out the studs and install rivet nuts in the holes. Then secure the tray with bolts.
Old 08-12-14, 02:52 PM
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sha4000
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Originally Posted by paulo57509
I've yet to have the need to examine the battery tray and the surrounding area in my car. So what follows might not be applicable. Just throwing out ideas.

Easy/Cheap:
Can you drill out the studs, install bolts from underneath and secure the tray with nuts?

Easy/Expensive (requires special tool)/Wow Factor:
You can drill out the studs and install rivet nuts in the holes. Then secure the tray with bolts.
Those 2 nuts are basically rusted like crazy once you go under the battery. I have to take the tire off and check but the bolt secured with the nut sounds good. Just have to make sure the bolt is short enough so it does not contact the battery.
Old 08-13-14, 08:03 AM
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billydpowe
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I always choose the easy way out, so, just upgrade your LS...... trade that sucker in...
Attached Thumbnails Broke battery tray bolts... Suggestions-lexusls400007-1.jpg  
Old 08-13-14, 10:13 AM
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RA40
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Originally Posted by billydpowe
I always choose the easy way out, so, just upgrade your LS...... trade that sucker in...
Would you be selling one of your well maintained ones?
Old 08-13-14, 11:33 AM
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billydpowe
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I dont think so, just having a little fun....... old men just hunt things to do.... just think, I have been retired for 18+ years... gets dull around here..... BUT my check engine light came on yesterday p0125 .. same as last year.. Insufficient Coolant Temperature for Closed Loop Fuel Control
we had to remove the 02 wire and clean (oil leak) the connectors, male & female before it would heat up enough to go into closed loop.. that worked, but I am too old to get under it so I am waiting for my nephew to do it for me... Sorry old cars arnt they.... hehehe, I love 'em
Old 08-13-14, 01:13 PM
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sha4000
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Even if I could upgrade which I can't at the moment I would still hang on to this car lol.
Old 08-13-14, 01:18 PM
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DaveGS4
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Just head to your local Advance auto or Pep Boys. Show them the issue and they'll have a number of cheap solutions from the rubber tie down to new hooks / studs.

PS, you are right to be concerned - loose batteries can cause all sorts of issues and accidents so don't let it ride around for long like that.
Old 08-13-14, 05:19 PM
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sha4000
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Originally Posted by DaveGS4
Just head to your local Advance auto or Pep Boys. Show them the issue and they'll have a number of cheap solutions from the rubber tie down to new hooks / studs.

PS, you are right to be concerned - loose batteries can cause all sorts of issues and accidents so don't let it ride around for long like that.
This is why I was concerned. There is just too much movement.
Old 08-13-14, 05:30 PM
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Shmee
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Rivnuts or nutserts are actually pretty cheap. You can pick up the tool with aluminum nutserts for about $25 from harbourfreight or similar. And it's also great for mounting stuff in the car, like a sub box, custom paneling, etc...

This would be the best option all around, just have to drill out or as close to the old studs as possible.
Old 08-13-14, 05:44 PM
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Originally Posted by Shmee
Rivnuts or nutserts are actually pretty cheap. You can pick up the tool with aluminum nutserts for about $25 from harbourfreight or similar. And it's also great for mounting stuff in the car, like a sub box, custom paneling, etc...

This would be the best option all around, just have to drill out or as close to the old studs as possible.
I've never used one of those things before so how does it actually work? how does the insert attach to the metal under the battery tray?
Old 08-13-14, 06:40 PM
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Originally Posted by sha4000
Not much to say I basically snapped the studs that hold the battery tray down and I'm not comfortable with the amount of movement the battery has now. What do you guys recommend I do to keep it stationary now?
drill 2 quater inch holes where the tray meets the fender and use some epoxy putty,just ball up about half an inch of the putty and force it into the holes of both the tray and fender it shoud dry in 2 hours and be hard the next day .Make sure the putty is as flat as possible.Make sure the battery does not sit on a large bump of epoxy. One trick is to finish the top smooth by wetting your finger with water and rubbing the epoxy putty flat and smooth.I have found this repair to hold almost anything that has both weight and size and you can still use tie downs after the repair is done if you feel the need to.


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