Kaza Steve Posted September 19, 2006 Share Posted September 19, 2006 ever since i have had muy unorthadox under drive pulleys fitted the zed on start up will squeel like a stuck pig .....sounds like its the belts it only lasts a few minutes probably till the belts warm up ....is there any way of stopping this god awful noise or will it just get worse and eventually stay squeeling forcing me to attack the car basil fawlty style ??? Quote Link to comment Share on other sites More sharing options...
turb0z Posted September 19, 2006 Share Posted September 19, 2006 ever since i have had muy unorthadox under drive pulleys fitted the zed on start up will squeel like a stuck pig .....sounds like its the belts it only lasts a few minutes probably till the belts warm up ....is there any way of stopping this god awful noise or will it just get worse and eventually stay squeeling forcing me to attack the car basil fawlty style ??? Where did you get the pulley from steve? Quote Link to comment Share on other sites More sharing options...
takemetothepub Posted September 19, 2006 Share Posted September 19, 2006 Put some Talkumpowder on it bud, had to do it with mine and worked a treat Quote Link to comment Share on other sites More sharing options...
Craig David Posted September 19, 2006 Share Posted September 19, 2006 Adjust the belt tension. If you let it squeal for too long it'll glaze and you'll have to replace it. Quote Link to comment Share on other sites More sharing options...
Jay Posted September 19, 2006 Share Posted September 19, 2006 mine does it too keep tightening but seems to squal after a few weeks some belt-grip spray temporarily works. Quote Link to comment Share on other sites More sharing options...
rodders25 Posted September 19, 2006 Share Posted September 19, 2006 Mine used to do that, I've elimenated everything and now down to changing the oil pump, lol. Quote Link to comment Share on other sites More sharing options...
Rainbow ZTT Posted September 19, 2006 Share Posted September 19, 2006 Never had that problem.....I use gates belts they're really good other belts seem a bit crap to me. Quote Link to comment Share on other sites More sharing options...
Kaza Steve Posted September 19, 2006 Author Share Posted September 19, 2006 had it fitted by Gregg and the guys when he did all the work on my zed ..was fine for a few months no probs and has now started to squeel ....i will try the talc and tighteneing the belt , i thought they had auto belt tighteners or is that just the cam belt ?? Quote Link to comment Share on other sites More sharing options...
Kaza Steve Posted September 19, 2006 Author Share Posted September 19, 2006 had it fitted by Gregg and the guys when he did all the work on my zed ..was fine for a few months no probs and has now started to squeel ....i will try the talc and tighteneing the belt , i thought they had auto belt tighteners or is that just the cam belt ?? Quote Link to comment Share on other sites More sharing options...
Kaza Steve Posted September 19, 2006 Author Share Posted September 19, 2006 oops double post ......does that one count towards the magic 1000 Quote Link to comment Share on other sites More sharing options...
(Z)Master Posted September 19, 2006 Share Posted September 19, 2006 oops double post ......does that one count towards the magic 1000 Just tighten it Mate all the underdrive pulley's do this as there is less driven area for the belts! Get a tape measure and measure round the driven area of the pulley and you see that the area is quite alot less so the belts tend to squeel alot easier and will need to be tightened more than before when you were using the stock pulley! Just try not to overtighten them ;) Quote Link to comment Share on other sites More sharing options...
Bassologist Posted September 19, 2006 Share Posted September 19, 2006 you will find this is hard to eliminate esp if you have aftermarket electronic goodies fited esp high power audio systems as they will demand a higher current .. due to the pulley being smaller you have less surface area of belt touching and the alternator needs to spin faster as by changing to an underdrive pulley changes the ratio of the alternator .. best way is change the alternator pulley to a smaller one this will bring the gearing up but again will reduce surface area that touches it .. the best way forward IMO is a light weight standard size crank pulley .. but im unsure if anyone produces these.. underdrive pulleys were designed for track use where alternator requirements are lower .. no A/C headlights , stereo etc John Quote Link to comment Share on other sites More sharing options...
(Z)Master Posted September 19, 2006 Share Posted September 19, 2006 you will find this is hard to eliminate esp if you have aftermarket electronic goodies fited esp high power audio systems as they will demand a higher current .. due to the pulley being smaller you have less surface area of belt touching and the alternator needs to spin faster as by changing to an underdrive pulley changes the ratio of the alternator .. best way is change the alternator pulley to a smaller one this will bring the gearing up but again will reduce surface area that touches it .. the best way forward IMO is a light weight standard size crank pulley .. but im unsure if anyone produces these.. underdrive pulleys were designed for track use where alternator requirements are lower .. no A/C headlights , stereo etc John A standard size Light Alloy pulley would be a Better idea as you have pointed out! ;) Quote Link to comment Share on other sites More sharing options...
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