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Old 09-25-2009, 03:46 PM   #1
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Hmm my water pump failed again!!!! Could it be the pulley?!?!

So I just had my water pump changed less than a month ago. Now it is failed again. Could it be cause of the NST pulley? Non dampned vibration at high rpm killing the water pump? Cause i do drive my car to redline every single day. I am afraid if i take it back this time they will claim it has to do with my aftermarket parts.
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Old 09-25-2009, 04:08 PM   #2
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I've had my NST pulley on for about 6 months and 5000 miles. No problems yet. I haven't heard of any other reported problems either. It may have more to do with the abuse (red-lining) you are giving to the engine.
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Old 09-25-2009, 04:21 PM   #3
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Probably abuse. I've had my pulley on for over 50k miles and I'm doin fine.
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Old 09-25-2009, 04:41 PM   #4
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it's the pulley.
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you nailed it sir.
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Old 09-25-2009, 04:44 PM   #5
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If that's the case, then why is this the first problem with the water pump with hundreds of thousands (if not a million) miles by everyone using the pulleys? Redlining the crap out of a car is more likely to cause stuff to break than a pulley.
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Old 09-25-2009, 04:45 PM   #6
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Quote:
Originally Posted by Astroman View Post
If that's the case, then why is this the first problem with the water pump with hundreds of thousands (if not a million) miles by everyone using the pulleys? Redlining the crap out of a car is more likely to cause stuff to break than a pulley.
if you say so.



the ratio of water pump failures stock vs pulley tells the tale..
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I hate people like you (xbgod) because your the reason I don't come to this board. You spout nonsense and lies and people who don't know any better hold you in high regards because they can't tell the wheat from the chaff.
you nailed it sir.
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Old 09-25-2009, 04:47 PM   #7
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if you say so.



the ratio of water pump failures stock vs pulley tells the tale..
There are definitely quite a few people who've had water pump failures with the aftermarket pulleys.
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Old 09-25-2009, 04:51 PM   #8
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The only water pump issues I've ever had was with the ol' '71 Ford. Any mechanics you could take it to that might be able to chime in? I just find it odd I've put over 50k miles with a full pulley setup on (not overdrive) without issue. Time will tell I suppose.
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Old 09-25-2009, 04:55 PM   #9
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What about the ratio of people who redline their engine? Again that is also the other factor. And if the shop didn't install the last one correctly that could lead to premature water pump failure.

It might be worth it to run with the stock pulley for a while too, since they're in there anyway it shouldn't be a big deal.
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Old 09-25-2009, 04:56 PM   #10
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belt might be too tight..
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Old 09-25-2009, 04:56 PM   #11
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lol @ the denial.

Guys... if aftermarket pulleys were a 100% win/win situation, we would have lightened pulleys stock.

Think about it.
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Old 09-25-2009, 05:00 PM   #12
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Quote:
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What about the ratio of people who redline their engine? Again that is also the other factor. And if the shop didn't install the last one correctly that could lead to premature water pump failure.
i've redlined my xA every day for 70Xthousand miles and never had a water pump (or any other) failure. stock pullies. redlining has nothing to do with it.
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I hate people like you (xbgod) because your the reason I don't come to this board. You spout nonsense and lies and people who don't know any better hold you in high regards because they can't tell the wheat from the chaff.
you nailed it sir.
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Old 09-25-2009, 05:04 PM   #13
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Quote:
Originally Posted by Tamago View Post
i've redlined my xA every day for 70Xthousand miles and never had a water pump (or any other) failure. stock pullies. redlining has nothing to do with it.

^+1

74k miles, redline a lot, stock pullies
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Old 09-25-2009, 05:04 PM   #14
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Quote:
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i've redlined my xA every day for 70Xthousand miles and never had a water pump (or any other) failure. stock pullies. redlining has nothing to do with it.
trini_performance has beat the hell out of his yaris for 350,000+ miles and is on the original water pump
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Old 09-25-2009, 05:06 PM   #15
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72k miles, redline a lot, aftermarket pulleys.

I'm just saying don't be so quick to blame the pulley. There COULD be other factors.
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Old 09-25-2009, 05:06 PM   #16
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trini_performance has beat the hell out of his yaris for 350,000+ miles and is on the original water pump
He also has been using an aftermarket pulley since 150k.
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Old 09-25-2009, 05:12 PM   #17
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The denial comes from ignoring the blatant admission of redlining the car everyday. Redlining DAILY will definitely do some damage under the hood. If your car was designed to cruise at 6/7/8 RPMs, then there wouldn't be a red line, period. I'm sure you've been doing some serious damage to your engine, especially considering that you most likely have stock (economic) internals. I don't see how anyone can argue in favor of redlining and against an aluminum pulley that is only 10% less than the stock pulley in circumference!
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Old 09-25-2009, 05:14 PM   #18
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I personally think it has to do with installation of the pulley. Check the belt it may be slightly misaligned or too tight.
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