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200 Series General Forum for the Volvo 240 and 260 cars |
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Fan beltsViews : 1584 Replies : 17Users Viewing This Thread : |
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May 15th, 2018, 19:22 | #1 |
Not an expert but ...
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Fan belts
I'm tired of fan belts that seem fine for a while and then start making a squeaky noise at idling speed. I understand this often arises because the belts commonly supplied are only 10mm wide instead of the correct 11.9mm.
Can anyone confirm that the matched pair of genuine belts from Brookhouse, part number 973537, really are the correct width? |
May 16th, 2018, 10:25 | #2 |
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Or from Classicswede?
I ask because Europarts list this item but give the dimension as 10 mm. |
May 16th, 2018, 11:20 | #3 |
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Is there any problem buying from, a Volvo dealer? Are their dimensions sometimes wrong? Dealer provided belts are serving me well. The delivered price from say FRF might even be cheaper than third party supplies.
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May 16th, 2018, 11:50 | #4 |
Trader Volvo in my veins
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The belts are genuine Volvo belts and matched pairs for perfect fit https://www.classicswede.co.uk/Fan_B..._11181193.aspx
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May 16th, 2018, 12:08 | #5 |
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But are they 11.9mm? The power steering belt width is stated as 10.0mm, and I thought that was meant to be the same width as the alternator/fan?
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May 21st, 2018, 18:24 | #6 | |
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Quote:
Sorry, but they are the wrong size like all the other suppliers'. They are only 10 mm wide, so consequently sit too deep in the pulleys. They apparently are supposed to be 11.9 mm. Hence my original question - does anyone know who sells these? |
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May 22nd, 2018, 09:31 | #7 |
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Photos attached. These are the new belts. They still make a creaking noise when the engine turns slowly at idling speed.
As I think is clear in the photos, the belts sit too deep in the pulley grooves, particularly the crank pulley. I know the belts are original Volvo spec, but they are notoriously prone to noise, and debate on Brickboard etc identified the problem as being because they needed to be wider. The figure of 11.9 mm seems perhaps a bit too wide, but it happens to be a standard width size. On Brickboard Gates belts seem to be recommended. The figure was quoted here some years ago by Clan. Perhaps 11mm would be best? Last edited by Clifford Pope; May 22nd, 2018 at 09:53. |
May 27th, 2018, 06:22 | #8 | |
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Quote:
Will let it run for couple of weeks and see how it goes and will change the 2 ALT belts too with Gates. Gates V-Belt ( 264GL B27E) PS – 11A965 (Saginaw Pump) $NZD23 AC – 11A1345 ( AC Delco) $NZD24 ALT - 11A1080 ( SEV Marchal ) The Genuine Volvo PS belt ( 966911) is 9.5x 963mm which seems narrow IMO for 264GL B27E. Attach pics
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rgds Don https://www.youtube.com/channel/UCpN...ArBrA/featured 264GL B27E 1977 - 2017 Barn-Find |
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May 27th, 2018, 10:50 | #9 |
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That's interesting. I'm relieved to find I am not alone in finding that the listed Volvo belts are not a proper fit on the pulleys, and cause noise as a consequence.
I've tried searching for the 11A1080 ( SEV Marchal ) you suggest for the alternator belts, but it's only listed in Australia, and nowhere actually quotes its dimensions. There are lots of Gates belts listed on eBay from UK suppliers, and I would recommend no. 6318MC for the steering pump belt. It is 11.9 mm X 950 mm, which is a perfect fit on the pulleys, sitting just flush with the top of the V grooves. A larger width belt needs to be about 10mm longer to get the same effective length, because the circumference round the outer edge of the pulleys is slightly greater than set deeper in the groove. So the 950 mm Gates is a good replacement for the 938 mm Volvo one. Unfortunately I can't find any Gates belts listed that would be the right length for the alternator belts. The 11.9 X 950 is slightly too long, and the alternator adjustment won't adjust far enough. So it needs to be about 920 mm to 930 mm, which just doesn't seem to be available. But 11.9 mm is definitely the correct belt width. It's 15/32 ", a standard US size, converted to metric. |
May 27th, 2018, 11:23 | #10 | |
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Quote:
I remember when the cars were current and noise complaints were received new pulleys cured it .
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