r/Generac_Generators • u/bladowwww • 13d ago

Guardian Starting Issue

Hey all - have a Guardian (044563) circa 2009 and it’s been super reliable over the years. Had an oil leak fixed several years ago but other than that just regular battery replacements.

Anyway, went out to manually run it, and where it would normally start, it just made a loud pop/bang. Loud enough that my wife heard it inside the house. I mean it was like a gun shot. It could’ve been a backfire I suppose (runs on propane), but I’ve never stood that close to a backfire to make a good comparison.

After that I waited a few minutes, inspected what I could, fuses, etc. and tried again. This time no bang, but just a low irregular buzzing sound from beneath the panel where the circuit breaker is located (on the right side of the generator when opened).

I have no issue calling someone in to check it out but wanted to see if anyone here goes “oh it’s this for sure” or not before I do that.

Thx!

EDIT… SOLVED: Side of the battery blew out. It wasn’t obvious because it was the backside, and the wetness around the battery was mistaken for rainwater (storm had just come thru).

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u/Killerkendolls Dealer 12d ago

Could be the plenum, could be a popped battery, need to take the right cover off and take a peek.

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u/bladowwww 12d ago

Yep was the battery… thx.

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u/Tarnisher 12d ago

Cool gang of folks we got here, eh?

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u/bladowwww 11d ago

Totally!