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why would a waterpump break like this!?!?!


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Posted

Ohhh I'm sooo pissed! I finally got everything done motor and drive train wise.fired her up broke in the cam and then.drove her around.for a hour or so then parked it.but then just went to take her out to o street " cruising" road on fridays and saturdays.well got to about 27th and o. And everything goes wrong! Water pump pulley.broke! Well the bolts did and it was a new water pump! Dk why! Didn't tighten them to tight at all Well since that broke it snapped the belt.which the belt cut the hoses and battery wires and bent the alt pulley and fucked my fan up! Ughhh! That will riun a night by far! Its on my mustang.built motor didn't even get to dyno! But a guess 450 to 500hp

Posted

Pics would help, but it sounds like maybe your belt was too tight? Is it a v-belt or a serpentine? Either that or your idler seized up if it is a self-adjusting serpentine. Could be quite a few things, but pics would help.

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Posted

It didn't break the wire it pulled it right out of the clamp.and pic ill try to get tmw.when its light out and its a serpentine belt

Posted

Break the heads off? What grade bolts?

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Posted

No not the head? The waterpump it self.when you buy a new one it don't come with a pulley Ibought it new put the pulley on. There's 4 bolts that scew threw the.pulley into the pump.they snapped and grade.of bolts idk.stock ones?

Posted

Did you make sure to use loctite on the water pump pulley bolts? Nice, clean new bolts will quickly work their way loose if you don't use loctite on them. You HAVE to use loctite blue or red. Once one or two bolts back off slightly, it isn't long before the pulley wobbles and the bolts break off just under the head. That'd be my rudimentary guess without seeing pics. Either that or your idler seized up, but usually that will just snap your belt, not affect your pulley or break bolts.

2006 Cadillac Escalade

2/3 drop on 28" wheels

Two RE SX 18" subs

RF T2500-1bdCP amp, 3531watts on birthsheet

Custom carbon fiber sub box

EVERYTHING else is stock, for now

149.4 @ 37hz, Termlab, dash, open window on two AQ3 18s all stock electrical, wired to .25 ohm on a RF T2500

148.8 @ 36hz, Termlab, dash, open window on one AQ3 18 all stock electrical, wired to .5 ohm on a RF T2500

147.8 @ 38hz, Termlab, legal, sealed on two RE SX 18s

146.4 @ 36hz, Termlab, legal, sealed on one RE SX 18

Link to my hack-built, stupid, carbon fiber wasting project.... http://www.stevemeadedesigns.com/board/topic/149946-carbon-fiber-box-update-1494db-37hz-on-tl/

http://gifsoup.com/NDM3MTc1MQ

Posted

Did you make sure to use loctite on the water pump pulley bolts? Nice, clean new bolts will quickly work their way loose if you don't use loctite on them. You HAVE to use loctite blue or red. Once one or two bolts back off slightly, it isn't long before the pulley wobbles and the bolts break off just under the head. That'd be my rudimentary guess without seeing pics. Either that or your idler seized up, but usually that will just snap your belt, not affect your pulley or break bolts.

Seen this happen on a couple of built 6.4 Powerstroke trucks, and a badass 6.0 TT truck that snapped an alternator bracket. Loctite on the bolts will keep them from backing out so quickly.

On 1/4/2013 at 9:31 PM, HatersGonnaHate said:

Wow. 184 posts and I think you're a fucking asshole.

 

Posted

Did you make sure to use loctite on the water pump pulley bolts? Nice, clean new bolts will quickly work their way loose if you don't use loctite on them. You HAVE to use loctite blue or red. Once one or two bolts back off slightly, it isn't long before the pulley wobbles and the bolts break off just under the head. That'd be my rudimentary guess without seeing pics. Either that or your idler seized up, but usually that will just snap your belt, not affect your pulley or break bolts.

This would be my guess bolts came loose causing a greater load on the bolts then it was a matter of time before they broke. Damn beat me to the punch. ^^^^

Posted

Did any of the bolts back out or did it snap them all off clean?

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