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  #1  
Old 01-02-2014, 05:55 AM
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Eating vacuum pumps

I am about to change my vacuum pump for the 3rd time in 2 years. I've been going through a pump every 6 months and it's starting to get on my nerves. Everything is aligned and installed correctly. I've been using pumps from the local store, any brand you guys recommend to use or stay away from?
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Old 01-02-2014, 12:07 PM
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What exactly is happening? Bearings going? Seizing up? Just not, er, sucking anymore?

Accuratediesel.com sells what they claim is an OEM pump, NEW, not rebuilt/reman, for just a few dollars more than the reman FLAPS units. The whole "lifetime warranty" rebuilt parts thing has become a racket and a PITA; they're built so cheaply, with offshore cheap labor that costs us jobs, that it's cheaper to warranty out those that come back than to build in the quality in the first place.
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Old 01-02-2014, 03:04 PM
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Bearings, it completely eats itself up. It starts with an intermittent squeak which works its way up to a constant one then it goes. But i've had so many go out I know when to catch it in time. This one is still under warranty so i'm going to do a quick change out. Bought a new pulley though, not ripping that old one off such a PITA.
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Old 01-02-2014, 03:10 PM
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Sounds like a poorly made brand of pump.
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Old 01-02-2014, 06:40 PM
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They are, but this is my only complaint about the truck. I use it for work and it gets its fair share of use at home. All my friends got newer trucks and prance around but I love this ol 7.3 too much to get rid of it.
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Old 01-02-2014, 07:13 PM
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If you're not removing the pulley off the old pump, you'll need new bolts.
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Old 01-02-2014, 07:19 PM
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Luckily the pulley stays intact but the pump eats itself so the bolts are easily removed. This time around i'm thinking about getting new bolts though.
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Old 01-02-2014, 08:01 PM
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So the shaft comes out of the pump far enough to remove the bolts?
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Old 01-06-2014, 03:01 AM
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It's able to be moved around enough to get it out. I wish I kept the old pumps to show how bad they were.
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Old 01-06-2014, 03:55 AM
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Only reason I can think it would happen so many times is bad alignment. But you say everything lines up right? So when you look at the belt and all the pulleys side-on from the driver's side, the vac pump pulley is not out of kilter? Maybe you just found a brand to stay away from...
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