SOHC Posted March 30, 2014 Share Posted March 30, 2014 I got a new car battery last winter sometime, it has been good but the other day I opened the bonnet and it has been leeking out the caps like it has been boiling, I tested the voltage with the car running switching the headlights on and off but it never went over 14.5 volts. Would a battery do this is it is failing? Quote Link to comment Share on other sites More sharing options...
Bling Posted March 30, 2014 Share Posted March 30, 2014 Is 14.5V the max it reached with giving it some revs? How are the fluid levels looking in the battery? Quote Link to comment Share on other sites More sharing options...
SOHC Posted March 30, 2014 Author Share Posted March 30, 2014 Yes 14.5 was the max it went to, I think it is boiling out just one or two cells Quote Link to comment Share on other sites More sharing options...
japawagons Posted March 30, 2014 Share Posted March 30, 2014 What brand is it? Most Lead Acid batteries are 'Maintainence Free' (sealed). Most of the batteries that still have fill caps are either big commercial batteries or cheap branded batteries. If it's in the cheap brand batteries category it's very likely faulty. Quote Link to comment Share on other sites More sharing options...
SOHC Posted March 30, 2014 Author Share Posted March 30, 2014 Its an Endurant with the caps to top it up, i just did about 40kms round town and tested it agearn got 14.4 volts and the battery was gassing like hell, I will take it back tomorrow as it has a 3 year warranty and its been in the car for 12 months Quote Link to comment Share on other sites More sharing options...
SOHC Posted March 30, 2014 Author Share Posted March 30, 2014 Found the problem this is a Maintenance Free bratty, the caps in the top have been added by the factory for testing with a hydrometer, they never need topping up apparentley. I topped it up, that's why the cell is leeking, what a dumb arse. 1 Quote Link to comment Share on other sites More sharing options...
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