babycakes2003 Posted May 17, 2013 Report Posted May 17, 2013 i have a mk1 1999 galaxy with the ahu engine. the idler pulley is bouncing and i think i have the solid alternator pulley. any ideas Quote
mrben Posted May 17, 2013 Report Posted May 17, 2013 Mine was bouncing and it was the alt pulley. It was seized. Got off ebay for 40/50 odd quid. Took a photo of the numbers off the alternator and emailed to chap. You need to do that as apparently there is a couple of different ones.... Quote
babycakes2003 Posted May 17, 2013 Author Report Posted May 17, 2013 I'm not sure about this as my alternator pulley is a solid one therefor can't seize. Have changed the tensioner and arm as well as the tensioner wheel...... Quote
mrben Posted May 30, 2013 Report Posted May 30, 2013 ok cant help. Seat kid may be able to. He has excellent knowledge. Quote
brett Posted November 21, 2013 Report Posted November 21, 2013 I had similar problem it was noisy ,found the belt had lost portions of it`s surface in a few places making it chatter ,changed the belt noise stopped Quote
seatkid Posted November 22, 2013 Report Posted November 22, 2013 (edited) Probably as Brett says, The AHU alternator should not have the one way clutch as the AHU does not have a DMF. To be sure check the number on the alternator end housing.....mine (AHU Bosch 120A) is 028 903 025S / 0 123 515 014 Check the aircon compressor is turned off, as the belt drives that. Also is the belt streched or fitted incorrectly and maybe the tensioner hitting its end stop? Edited November 22, 2013 by seatkid Quote
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