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OE coolant 900

I have purchased three different brands of water pumps, quality coolant and professional installation, yet leakage from the weep hole within 30 days or 2,000 miles. Have I perhaps overlooked a better brand of pump, or do I need some coolant recommendations?


-> I'd recommend just Volvo coolant. All this time using OE pumps, just install and forget about it, akin to plug n play. Weep hole stays dry after installation. However they do leak after about 7 - 8 years which means time for replacement. I renew coolant every 2 - 3 years disregarding any "lifetime" recommendation.

The elongated/snout part of the pump contains mechanical roller bearing. This has no contact with water. Behind this bearing a small air compartment with weep hole exit. Beyond this compartment is the water seal for the impeller which is lubricated by coolant. Yes coolant choice does matters.

Looks like I'm running a severe maintenance schedule like a boy racer. Long since this car has no more monthly payments why not splurge in the maintenance a bit : )


Amarin.
94 940 NA






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New Pentosin Has Me Weeping [900]
posted by  Townshend Act  on Sat Feb 23 05:55 CST 2019 >

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