Water Pump pulley FAIL

07 Boss

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Well I haven't got into it yet as I just limped her home the last 10 or so miles, but it looks like the Meziere pulley seized up and took the belt out. Luckily I have a stock pump as well as another electric sitting in the garage somewhere. I have always been a big proponent of using a Meziere pump and I don't think this is going to sway me any different. This is my first failure in over 20 years of using their products.

 

RED09GT

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Can the idler pulley be changed separately? Maybe Meziere could rebuild it if the actual water pump is still working-or maybe give you something for core value from it if the internals are still good.
I've never seen an electric water pump with the idler pulley in real life and always seemed to be waiting for news about how they are holding up. I guess this thread answers my question as this may be the only failure that I have seen and the part that failed wasn't what I would have feared or expected. I just always seem to need something else for the car that has a slightly higer priority so I never have the money to try one out.
I think it is a great addition for a N/A car looking for easy gains or a power adder stock shortblock car that wants to go faster without putting additional stress on the stock motor.
 

fdjizm

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Wow first I ever heard or seen of this! I am actually looking into buying one!
 

86GT351

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Are you going to contact them to discuss? I would be curious to hear there thoughts. Obviously any Mechanical or Electrical component can fail over time. Be curious to see if they offer any assistance.
 

scramblr

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I had one pulley go bad years ago and replaced it. Now a second went bad, bearings on both. Caught it before anything bad happened. I'm going to send the entire pump back to them to look over and refresh. They quoted $100-$150. Beats buying a new one.
 

fdjizm

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I've seen that they sell one without a pulley at all, would that work on our cars with a shorter belt?
 

07 Boss

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I've seen that they sell one without a pulley at all, would that work on our cars with a shorter belt?

The reason for the dummy pulley is to maintain the belt configuration. I'm sure there is way to do it but you want to maintain the amount of belt wrap you have on the pulleys. Depending on the component you are going to need a certain amount of friction or contact surface, thus maintaining how much the belt must wrap around the pulley to keep it spinning under load.
 

07 Boss

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Are you going to contact them to discuss? I would be curious to hear there thoughts. Obviously any Mechanical or Electrical component can fail over time. Be curious to see if they offer any assistance.

Can the idler pulley be changed separately? Maybe Meziere could rebuild it if the actual water pump is still working-or maybe give you something for core value from it if the internals are still good.
I've never seen an electric water pump with the idler pulley in real life and always seemed to be waiting for news about how they are holding up. I guess this thread answers my question as this may be the only failure that I have seen and the part that failed wasn't what I would have feared or expected. I just always seem to need something else for the car that has a slightly higer priority so I never have the money to try one out.
I think it is a great addition for a N/A car looking for easy gains or a power adder stock shortblock car that wants to go faster without putting additional stress on the stock motor.

Wow first I ever heard or seen of this! I am actually looking into buying one!


Well the actual pump runs fine. Drove home about 10-12 miles on the battery and tugging on the steering wheel to make corners. Engine temp was rock steady where it always is. Like I said I will stick with Meziere as this is my first failure in a couple of decades and dozens of units. I haven't removed it from the car yet so I don't know if it can be repaired. I'm sure the pulley comes off but I might not have the tooling or whatever to do it. We will see, maybe tonight when I get home. What I find odd is my regular Meziere with the standard pulley never failed me. Probably 60K miles before I got the HD one built for the extra tension on supercharged cars and that's the one that fails. I'm going to just slap that one back on there and then try and fix this one. I will contact Meziere once I examine it a bit. I always have the stocker too..... somewhere..... maybe.

Anyways I'm still a big proponent of and endorse the use of the electric pump on our cars. There are only pluses to running one as far as performance goes and I just bought another pump from them for my billet aluminum 540 block. I still trust them enough to put it in a $15K motor, I think that says a lot.
 

thump_rrr

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Years ago Ron (94Tbird) had a pulley fail on his also.
I’ve put around 90,000 miles on mine so far with great success.
 

scramblr

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I'm going to put mine back in. 2 pulleys in 10 years is o.k. by me considering I'm spinning the hell out of it.
 

07 Boss

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I'm going to put mine back in. 2 pulleys in 10 years is o.k. by me considering I'm spinning the hell out of it.

Yeah I drive mine like shes a $20 hooker. You're going to have some mechanical failures from time to time. My last failure was a sway bar mounting bar from practicing launches in a concrete parking lot. Shit happens.
 

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