1988 C4 Battery Replacement
Even after charging, my '88 battery struggles to turn over the car....looks like a new one is the plan. The battery area is on the drivers side, near where the hood closes. There is some kind of mechanism above the battery, and possibly a structural element that runs diagonally toward the center of the engine. Does all this have to come out to replace the battery, or is there a trick to doing this job?
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The side cover comes off, for easy battery access.
Here: http://www.corvettemagazine.com/2001...ttery/bat1.asp Also, a quick search turned up this thread. http://forums.corvetteforum.com/c4-t...y-removal.html |
just a few bolts to removed the quarter panel with the gills on it. 3 holding the inner finder well to the panel, 1 on top hiden by the weather stripping, and 1 on the bottom. I just take the whole panel off. Very easy once you do it the first time.
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If the battery is old enough to be near its guarantee period, you may be correct about it being at the end of its life, however, several other things can cause slow or no cranking. You can tell the state of charge of the battery by measuring its no load terminal voltage. 12.9 volts and higher, fully charged, 12.0 volts and lower, discharged and linear in between. During cranking, the voltage on the battery terminals must not fall below 9.0 volts or the battery cables need cleaning, battery needs charging, or the battery is at the end of its life. Try removing the battery cables (neg first) and cleaning the cable lugs, bolts, and the battery posts and replace the cables (neg last).
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Originally Posted by ggrassmid
(Post 1573707591)
just a few bolts to removed the quarter panel with the gills on it. 3 holding the inner finder well to the panel, 1 on top hiden by the weather stripping, and 1 on the bottom. I just take the whole panel off. Very easy once you do it the first time.
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Check the output on your alternator, should be 12-14 volts at idle. If your alternator is failing to charge the battery, it may have only enough running voltage to run the ignition system and other accessories. After you replace the battery, check your alternator by turning on your headlights and applying and releasing the brake, If your lights dim or your dash lights dim that would indicate a voltage drop. Replace alternator.
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Originally Posted by 96_vette
(Post 1573711358)
Check the output on your alternator, should be 12-14 volts at idle. If your alternator is failing to charge the battery, it may still have enough running voltage to run the ignition system and other accessories. After you replace the battery, check your alternator by turning on your headlights and applying and releasing the brake, If your lights dim or your dash lights dim that would indicate a voltage drop. Replace alternator.
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Thanks for all the tips here. I was able to remove the side panel as directed, took the battery in, and was diagnosed as a bad 'cell'. What a relief. New battery and buttoned up on Saturday....starts like a champ! :thumbs:
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