Daan Posted January 1, 2014 Share Posted January 1, 2014 Chaps, coming back from ireland, I had a noisy squice developing under the bonnet, which I thought was an alternator bearing. I checked today, and it turns out that the waterpump makes this noise, it squices when you turn it by hand. I fitted a new pump in 2009, bought from bearmach. the first one they send me was in an unbranded box (not blue!), and this squicked straight away. They replaced it for a quinton hazel one, which now squickes 4.5 years down the road. I have done about 2.5k miles with it, and it has long periods of not being used, including an engine rebuild which took 1 year . I wasn't expecting this to go wrong, is it because of it sitting idle, or is it the OEM vs Genuine divide? Basically, shall I buy QH or genuine? Daan Quote Link to comment Share on other sites More sharing options...
smallfry Posted January 1, 2014 Share Posted January 1, 2014 Dunno Daan. Its your call. Not a diesel man myself, but I do know the water pump is a weak spot on the 300 TDI. They SHOULDN'T wear out in such a short time, but, whoever made it, its YOUR engine, and if it goes you can probobaly say adios to the cylinder head at the very least if it lets the water out while being driven Quote Link to comment Share on other sites More sharing options...
Tanuki Posted January 2, 2014 Share Posted January 2, 2014 Water-pumps often dislike being left unused: the rubber seal sticks to the spindle then when you use the engine again the seal surface gets lots of micro-tears where it's pulled free of the spindle. Do this a few times and the sealing-ability is compromised, then small amounts of coolant gets into the bearing and bad things happen. Quote Link to comment Share on other sites More sharing options...
Daan Posted January 2, 2014 Author Share Posted January 2, 2014 I had a feeling that the not being used thing is not helping, especially when dry. A new genuine one is now on order. Cheers, Daan Quote Link to comment Share on other sites More sharing options...
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