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Battery residue-clean-up

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Old Mar 16, 2013 | 05:32 PM
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Default Battery residue-clean-up

I have a 2001 that I bought in January.
I am trying to sort out some things.
I am not receiving adverse DIC messages.
There is some slight spatter of battery acid on the underside of the hood over the battery and the hood latch near the battery.
Also, there seems to be some powdery reside on the electrical coupling beside the battery.
The seller replaced the battery with a new Delco Professional battery before shipment. Is this OK as a non-gelcell?
I assume that I need to remove the battery and clean the coupling, but with what?
Do I use dielectric grease when putting the connector back together?
I haven't driven it much because of the weather in Indy, but it seems to start OK, except once that I had to jump it (maybe I left something on).
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Old Mar 16, 2013 | 09:15 PM
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Default Baking Soda is your friend

Mix up baking soda and hot water, remove battery and tray, Wash everything under and around the battery and under the tray with the hot baking soda mixture. Repaint any areas down to bare or rusted metal.
Also soak or drench the battery tray and hold downs including the bolts with the baking soda mixture. When you see bubbling it is the baking soda neutralizing the acid. My vacuum lines were disintegrated also causing the HVAC vents not to function.
When done flush liberally with water and let dry before painting any bare areas.
Its a lot of fun.
I am using Sams lead acid batteries and have not had any problems since neutralizing the acid.
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Old Mar 16, 2013 | 11:22 PM
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You have one of the best batteries going!

DO NOT use dielectric grease inside te electrical connectors. Use it on the RUBBER O RINGS but NOT in the male and female pins!!!

Inspect the nylon vacuum line and make sure its not damaged. If you cant change HVAC vent locations,,, Its damaged like bighank said..

Last edited by Bill Curlee; Mar 18, 2013 at 02:32 PM.
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Old Mar 16, 2013 | 11:33 PM
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Pull the plastic panel in the front right wheel well and you will be able to see that vacuum tree that governs the HVAC and it will be obvious it he acid leaked all the way day to it. If it did, chances are it is on the frame as well.
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Old Mar 17, 2013 | 12:16 PM
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Originally Posted by baxsom
Pull the plastic panel in the front right wheel well and you will be able to see that vacuum tree that governs the HVAC and it will be obvious it he acid leaked all the way day to it. If it did, chances are it is on the frame as well.
I bought a 6' coil of windshield washer hose the right size to fit over the hard OEM plastic line that was disintegrated. Didn't cut off enough damaged hose and the fix lasted about a week. Cut off more hose and its in good shape now. To get to the check valve inside the passanger fender which connects to the vacuum line and the vacuum tank remove about 2 or 3 bolts holding the bottom of the fender to the support. You can then wedge a piece of wood to move the panel enough to get to the check valve and tank. The GM check valve was about $8 at the dealer. It failed in less than a year. The exact same valve at Advance or Pep Boys is less than $5 and is found in the "HELP" section of the stores.
I have been running for several years with the fixed up solution with no problems. Last Sams battery lasted over 6 years. Just replaced it with a new one.
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Old Mar 17, 2013 | 12:27 PM
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From: Columbia SC
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Like Bill says Dielectric grease is fine if used correctly. It is an INSULATOR and MOISTURE BARRIER so never put it on the actual electrical connections.
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Old Mar 18, 2013 | 01:46 PM
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Thanks for all of your help!
What caused the battery acid to spray up to the underside of the hood? A charger left on too long blowing off a battery cap?
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