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Old 04-14-2019, 09:11 PM   #1
1930deluxe
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Default Water pump Update

What may have caused this pump to crack? See Photo


https://imgur.com/tjfllV4
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Old 04-14-2019, 09:18 PM   #2
Gary WA
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Default Re: Water pump Update

Old age!
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Old 04-14-2019, 09:21 PM   #3
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Default Re: Water pump Update

Why did it crack? 80 years old, worn bearing with vibration, tight fan belt poor original casting, dropped while being removed or blasted. I had one in good shape and sand blasted getting ready to rebuild. When we added the new bearing it cracked the housing. Funny thing is the housing did not crack until a few days after we pressed in the bearing.
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Old 04-15-2019, 03:24 PM   #4
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Default Re: Water pump Update

Someone tightening the nut too tight?
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Old 04-15-2019, 07:50 PM   #5
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Default Re: Water pump Update

Quote:
Originally Posted by jwilliams81 View Post
Someone tightening the nut too tight?
What Nut ??
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Old 04-16-2019, 07:58 AM   #6
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Default Re: Water pump Update

Quote:
Originally Posted by F.M. View Post
What Nut ??
The nuts used to bolt the water pump to the head.
https://www.snydersantiqueauto.com/P...l-a/water-pump
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Old 04-16-2019, 10:51 PM   #7
Chuck Sea/Tac
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Default Re: Water pump Update

Possibly from driving out,or in the front bushing assembly, in an incorrect manner.
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Old 04-17-2019, 10:25 AM   #8
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Default Re: Water pump Update

I would suspect that the press fit was just a tad too tight.
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Old 04-17-2019, 11:02 AM   #9
1930deluxe
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Default Re: Water pump Update

Katy was right the new bushing was too large to be installed in the housing. The housing measurement is 1.016 and the bushing measured 1.021. Five thousandth puts too much force on the housing without cracking it. It is a good lesson to all that quality control just is not present in today's market. We no longer can take for granted that since it is new it will fit properly.
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Old 04-17-2019, 11:26 AM   #10
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Default Re: Water pump Update

too much drama

Last edited by Benson; 04-17-2019 at 12:06 PM.
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