Boiling Battery!!

[bilzbobaggins]

Battery is boiling.....voltage climbs at battery when running....

 

I know i should change regulator w/ alt but should i try just regulator first??

 

And where is that sucker...the diagram doesnt help my dumb ass

 

thanks

 

jeff

 

70 521 L16

Edited September 14, 2009 by bilzbobaggins

[Jester]

Do a search for the internally regulated alternator. That way you can do them both at the same time. :D

 

BTW, Welcome to Ratsun.

[5tinguy]

Your battery could have a bad cell and causing your charging system to over charge.

[bilzbobaggins]

The guy who had it b4 me has i custom battery holder(bungee cord)

 

the hooks had pulled up the caps on the battery and there is what appears to be corrosion on the fender well and the valve cover...think it might have sloshed out

 

if there isnt enough battery fluid, what do i replace it with??

 

thanks jeff

 

thanks for the welcome

[Jester]

Distilled water is what is recommended. I just get mine frorm the sink.:D

[bilzbobaggins]

is the voltage regulator the larger of the 4 boxes on the pass fender??

 

still cant find my damn camera cord for pictures...

 

grrr

 

 

thanks

 

jeff

[banzai510(hainz)]

on a 521 its near the fuse box but up and under the passenger fender well and should look like a 6 pin connector. I think 5 wires are only used.

 

now if it overvolts then its the volt reg should look like this one below in photo. Get a solid state one if possible Wells brand or sold thru carquest. or a Jap made mechanical one. The ones from Napa Suck and are made in USA units.

 

the smaller one is a solid state one. taller mechanical.

 

note the connector and u shoul be able to find this.

 

I just run a standard size 24 battery or whatever it needs.

 

 

Im hoping the volt reg connector is standard as later 521 but I have seen different set up on the alternators themselves so always make sure on a alternator swap everything can swap as I have seen differnt set up on the ealy model of the 521 and early 510s

 

get a cheezy volt meter for a few bucks and plug in cig lighter so you catch this next

http://www.amazon.com/Equus-3721-Battery-Charging-Monitor/dp/B000EVWDU0?&camp=212361&creative=391349&linkCode=waf&tag=online0a-20

Edited September 14, 2009 by banzai510(hainz)

[bilzbobaggins]

its on the fender well by the fuse panel

 

what about one from oriley??

 

calling for pricing on the second one

 

http://www.oreillyauto.com/site/c/search/Alternator+Voltage+Regulator/02115/C0330.oap?make=Nissan&model=521+Pickup&year=1970&vi=1212310

 

 

thanks dude

 

jeff

[Guest Rick-rat]

My battery was boilng for about 2 weeks, when the battery exploded it made a hell of a mess and did some body damage to the hood. Mine was a bad voltage regulator and a battery with a shorted out cell

[Skib]

Distilled water is what is recommended. I just get mine frorm the sink.:D

 

 

dis-still-water :lol: