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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Catastrophic radiator fan failure (check your fan!)Views : 558 Replies : 4Users Viewing This Thread : |
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Aug 14th, 2019, 22:54 | #1 |
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Last Online: Jun 29th, 2021 17:34
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Location: Maribor
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Catastrophic radiator fan failure (check your fan!)
While waiting at the traffic lights in hot weather with aircon on I heard a loud pop then the whole car started shaking. While looking for a place to pull over (it was a busy street) I saw my coolant temperature gauge dangerously rising and looking through the side window I saw a big puddle on the floor which I then realised was my coolant.
Long story short, 2 spokes of the radiator fan broke from the inner hub. While rotating and pulling air, the broken blades the got sucked towards the radiator, scraping it badly and causing a massive leak which caused near instant loss of the majority of the coolant. I needed towing because as much water I poured in came instantly out through the holes. Still not sure about possible engine damage from overheating, I'm still waiting for parts. Reluctant to fit a used fan, but Volvo wants 190 EUR just for the fan blade without motor. After close inspection I found out that all the fan blades are cracked where they attach to the inner hub. 2 of them broke off. So check your fan for cracking at the inner hub. Pics attached. |
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Aug 15th, 2019, 07:56 | #2 |
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With that sort of damage there’s no way I’d be fitting a 2nd hand fan (which may suffer the same failure....)
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Aug 15th, 2019, 09:54 | #3 | |
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Aug 17th, 2019, 06:24 | #4 |
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Last Online: Oct 13th, 2023 05:46
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Not seen this happen on a car before, but I have had it happen in a PC. The CPU heatsink fan lost a blade in the same way and although the blade found itself somewhere to rest unmolested, it got very noisy very quickly being so unballanced. Overall an extremely rare event though. Hard luck.
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Aug 18th, 2019, 10:35 | #5 |
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Last Online: Apr 23rd, 2024 20:31
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Probably not something that we would see here in britain very often as the weather rarely gets very hot.. My fan hardly ever seems to cut in even on warm days & then only in stationary traffic, or if i switch on the air con !
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