Noisy belt

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Author Message   kevin fleck Posted on Thursday, April 18, 2002 - 07:19 pm:    i recently changed the water pump on my tdi 300 as it had a squeak now the auxillary belt makes the same noise it is at the correct tension and is not slipping i have tried a smear of brake fluid on the belt which worked for a while but the noise is now back if i change the belt will this cure the noise or has anyone had this noise and cured it in some other way   Frode H�bertz Haaland (Discofrode) Posted on Friday, April 19, 2002 - 03:17 am:    Check carefully and scrutinously for malalignment of alternator (?). There was a posting on this on the LRe Disco-forum a couple of weeks ago; check it out. Trick was to bend it back into alignment, which cured the problem. It is NOT adjustable sideways, but apparantly it can be done... Roverly Yours, Frode   OTTO Posted on Friday, April 19, 2002 - 06:12 am:    Hi kevin sometimes it was the spanner of the belt,sometimes the belt itself. i`ve got the same problem by my car and i ptu siliconspray on the belt and the spanner.about 10k km no noise. Disco 300TDI built 96 with 135k km. modifid injektionpump with about 320-330Nm by 1400 urpm. What kind of disco did you drive? greatings from good old germany -OTTO-   luc Posted on Friday, April 19, 2002 - 07:23 am:    Hi Kevin, I too have a 300 Tdi Disco. My aux. belt also makes some annoying noises and has done it for the past few years. I changed the belt two years ago (land rover genuine), but the noise did eventually come back, althougth it only does it when cold in the morning for the first 10 minutes... I have heard that some people use adhesive spray as used on hydraulic belts and other industrial applications. Alternatively, I have heard that Lucas makes the same belt but with better quality of rubber and some people swear by it. you can also use a wire brush and clean up all the little grooves on those pulleys to help with friction. good luck, Luc   Horness Spencer (Horness) Posted on Friday, April 19, 2002 - 08:28 am:    I had the same problem on my 300 TDi, where the Aux belt would "whistle" when the car was idling. I cleaned out the grooves, but to no avail. Spoke to dealer, result was that the rubber hardens, and causes the belt to perish. Once this starts, it can be noisy for either a few years, or a few months before it's time to replace. Replaced mine (did the air con belt too while I was there), now "Dissy" runs as smooth as ever. HRNESS   G. Gr�ner (Germán) Posted on Friday, April 19, 2002 - 10:10 am:    See: http://www.landyonline.co.za/techtalk/troubleshooting_v_ribbed_belt_noise.htm Dayco is the brand from the belt that was mounted as my Disco was Brand new. I Don´t know why, but the noise is present when I mount another. 97 TDI 300 Germán