Battery Replace
Tech Contributor
Joined: Jan 2004
Posts: 20,030
Likes: 289
From: Wylie TX --> Less is More, except under the hood !
Nothing major you need to do.... However...
Make sure your safety inspection is not due this or next month. Replacing your battery resets all your codes. You car will need driving miles to reset all the computer codes so it will pass inspection.
Make sure your new battery is tight in there. I thought my new battery was tight but it worked loose and It "clunked" around in there for a month. I thought it was a suspension issue... I put some foam tape under the corners of the battery to help hold it in place. GM designed the battery tray to be smooth plactic
. Not the best design for this application.
Toque
Make sure your safety inspection is not due this or next month. Replacing your battery resets all your codes. You car will need driving miles to reset all the computer codes so it will pass inspection.
Make sure your new battery is tight in there. I thought my new battery was tight but it worked loose and It "clunked" around in there for a month. I thought it was a suspension issue... I put some foam tape under the corners of the battery to help hold it in place. GM designed the battery tray to be smooth plactic
. Not the best design for this application.Toque
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
Torque the fittings before securing the battery with the hold down. Positive is 16 Nm and Negative 15 Nm. Then secure the battery torque hold down bolt to 18 Nm.
Buy a battery with a minimum of 120 RC (reserve capacity) specification.
Watch this video (parts 1 & 2): Part 1
AC-Delco Professional Series 78-6YR or 78-7YR. 30 or 50 month free replacement.
Buy a battery with a minimum of 120 RC (reserve capacity) specification.
Watch this video (parts 1 & 2): Part 1
AC-Delco Professional Series 78-6YR or 78-7YR. 30 or 50 month free replacement.
Last edited by Jet-Jock; Apr 14, 2011 at 08:46 AM.
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Racer
Joined: Sep 2008
Posts: 310
Likes: 0
From: Coral Springs Fl
...Or you can go to the local dealer and give them $350 for a 36 month battery and maybe a wash. Let them give you an estimate for whatever else the car needs, like wipers, some air in the tires and fluid top off. Shouldn't be more than another grand or two. 
(not making fun of you, just our local, friendly stealerships and the way they do business)
(not making fun of you, just our local, friendly stealerships and the way they do business)
Last edited by Florida99; Apr 15, 2011 at 08:16 AM.
Race Director
Joined: Aug 1999
Posts: 11,112
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From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
New Battery ?
Always diconnect the negative terminal first, I doubt you will loose anything but your radio stations. BUT if you have your radio in the "Locked" configuration & and you take out your battery you may loose the radio's function for good. It's alway a good idea to get one of those little 12 volt battery adaptors from almost any NAPA or other parts store, fit a smoke alarm 12 volt battery to it and plug it into your cigarette lighter. Or just unlock your radio. They are so cheap it not worth not having one in your console, shop or tool box.
PS: you can get a mat that absorbs battery acid if you get a broken battery case. The mats are very cheap and are about a 14" thick and go under the battery before you put the new one in.
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You may have to reprogram your radio - and if you have the TheftLoc activated, hope you know the code to get the radio unlocked.
