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1994.5 - 1997 7.3L Power Stroke Diesel  

Water pump went out

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Old Aug 31, 2013 | 07:45 PM
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Water pump went out

My water pump went out during Pittsburgh's rush hour. I limped over to my sons house and saw that I was leaking fluid rapidly. I did manage to get home but needed to stop ever few miles to add more water. The temp gauge never went to hot. Yesterday I rented the tool from Advance but none of them fit. I used my digital calipers and found that the fan nut was 48 mm or 1.88 inches. The larger one was 58mm or 2.15 inches . I had to fabricate the 2 wrenches from 1/4" steel plate. They worked quite well. After the fan and the fan shroud was removed it was just a matter of carefully removing the old parts and replacing the water pump. I did get a new thermostat gasket after I removed the housing. I refilled the radiator and tried to make sure that there is no air trapped in the system. Today I heard the bearings on the idler pulley making noise. I guess the antifreeze bath must have washed out all of the grease. Now I have another project for next week.
 
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Old Aug 31, 2013 | 07:54 PM
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When it rains i pours..
 
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Old Aug 31, 2013 | 08:10 PM
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Time now for a filter to keep the new pump healthy.
 
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Old Sep 1, 2013 | 10:38 AM
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I'm replacing both pulleys today. If you're having a hard time finding the pulley, check Napa. I found both in stock locally.
 
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Old Sep 1, 2013 | 11:28 AM
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Pulleys

The pulleys are making noise after the antifreeze bath. I thought it was the alternator bearings but when I sprayed the pulleys with WD40 the noise went away. When I rev the engine the bearings rattle.
 
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Old Sep 1, 2013 | 04:05 PM
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Clean the pulleys and belt real good.you have contamination.i had to replace a previously good belt just because of coolant.
 
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