evergoodstudios Posted August 17, 2014 Report Share Posted August 17, 2014 Found this video on YouTube which is exactly the same problem I am having with my R32. Does anyone have an idea of what it can be? At first I thought it might be starter motor but I am more inclined to think maybe belt tensioner on auxiliary drive? Link to comment Share on other sites More sharing options...
evergoodstudios Posted August 17, 2014 Author Report Share Posted August 17, 2014 Link to comment Share on other sites More sharing options...
Rachel Posted August 17, 2014 Report Share Posted August 17, 2014 (edited) I do know there were problems with the pulleys for the belts on MkV models, and maybe that is a good place to start. The weird squark sounds like something possibly snatching.catching/rubbing. The engines are chain driven, so should be ok unless very high mileage (chain stretches). Edited August 17, 2014 by Rachel Link to comment Share on other sites More sharing options...
evergoodstudios Posted August 17, 2014 Author Report Share Posted August 17, 2014 Yeah it's the squeak sound just when the engine starts. I've only just picked up this MkV after missing my old MkIv so just going over it initially. It's only done 27K and all checks out apart from this noise. There's also what sounds like a slight bearing noise coming from same area when running so maybe it is the pulleys like you say. Link to comment Share on other sites More sharing options...
Cuprabob Posted August 17, 2014 Report Share Posted August 17, 2014 It's probably the aux belt and one of the bearings for the pulleys on it's way out. First one to check is the tensioner. Link to comment Share on other sites More sharing options...
Luke Posted August 17, 2014 Report Share Posted August 17, 2014 Possibly a duck under the engine that can't get out? Link to comment Share on other sites More sharing options...
evergoodstudios Posted August 17, 2014 Author Report Share Posted August 17, 2014 Haha thanks for the duck suggestion, they usually follow me after a curry! Think the tensioner is the culprit, may take a visit to a VW specialist or dare I say stealer? Thanks guys... Link to comment Share on other sites More sharing options...
Luke Posted August 18, 2014 Report Share Posted August 18, 2014 Stealer? No way. Link to comment Share on other sites More sharing options...
evergoodstudios Posted September 14, 2014 Author Report Share Posted September 14, 2014 Ok, I've replaced the tensioner and v-pulley belt. So It wasn't that, I'm inclined to think it's the starter so may take it out and clean it. However I have another noise (not having much luck here) which only occurs when the car is hot and sounds like it's coming from the water pump. When I inspected the pulley it seems fine with no play etc. also checked the other two idler pulleys which both seem fine. Alternator is ok too. I'm out of ideas. I did find a YouTube video which has the exact same symptom albeit more frequent; Link to comment Share on other sites More sharing options...
evergoodstudios Posted September 17, 2014 Author Report Share Posted September 17, 2014 I guess nobody heard this one then? The mystery continues. Link to comment Share on other sites More sharing options...
Rachel Posted September 18, 2014 Report Share Posted September 18, 2014 Slipping belt is my guess. Link to comment Share on other sites More sharing options...
evergoodstudios Posted September 18, 2014 Author Report Share Posted September 18, 2014 Yeah I thought that but the belt is brand new. Can't narrow this thing down. It also only seems to happen when the car is warm and the ambient temperature is warm too. Link to comment Share on other sites More sharing options...
patently Posted September 18, 2014 Report Share Posted September 18, 2014 Could still be the belt slipping, if the tensioner is slacking... or if it's the wrong belt (!) Link to comment Share on other sites More sharing options...
Rachel Posted September 19, 2014 Report Share Posted September 19, 2014 The R32s were chained internally, and from memory there is one massive belt for ancillaries (but I could be wrong)... Check the alternator and water pump pulleys... The tensioner failing is visually obvious (you'll see it flex). Link to comment Share on other sites More sharing options...
evergoodstudios Posted September 19, 2014 Author Report Share Posted September 19, 2014 Yeah it's a new belt and tensioner, plus when I took the old tensioner off there was no real difference between them. I read on vwvortex that the water pump could be faulty, as there's a plastic piece on the inside that wears down and then causes the pump pulley to rub. Think I may have to resort to a garage with this one, think I've narrowed down to the water pump location. Such an elusive noise! Link to comment Share on other sites More sharing options...
E-bmw Posted September 20, 2014 Report Share Posted September 20, 2014 Have you tried careful/accurate application/squirst of water to help narrow it down. Â May sound strange, but it works every time I have tried. Â Simply squirt potential offenders with water as accurately as possible & if the noise goes briefly when wet you have found the culprit. Â Obviously this only works on bearings/belts/pulleys etc that you can get your squirt of water to hit. 1 Link to comment Share on other sites More sharing options...
evergoodstudios Posted September 21, 2014 Author Report Share Posted September 21, 2014 (edited) Yeah good plan, I thought of doing that with wd40 but didn't want to get that stuff everywhere, water on the otherhand will just burn off. I'll give it a try. Thanks. Edited September 21, 2014 by evergoodstudios Link to comment Share on other sites More sharing options...
evergoodstudios Posted October 2, 2014 Author Report Share Posted October 2, 2014 Just to let anyone know who may have this problem now or in the future. It is now fixed and it was the water pump. There were no other indications that it was failing. Even moving the pump by hand with the belt off revealed no play or restrictive movement. But for the sake of £35 for a new part it was a no brainer for me. 1 Link to comment Share on other sites More sharing options...
E-bmw Posted October 2, 2014 Report Share Posted October 2, 2014 How did you isolate the fact that it was the pump then? Link to comment Share on other sites More sharing options...
Rachel Posted October 2, 2014 Report Share Posted October 2, 2014 Just to let anyone know who may have this problem now or in the future. It is now fixed and it was the water pump. There were no other indications that it was failing. Even moving the pump by hand with the belt off revealed no play or restrictive movement. But for the sake of £35 for a new part it was a no brainer for me. Good news. Add shouting me a cold one to the cost should we meet. Link to comment Share on other sites More sharing options...
evergoodstudios Posted October 3, 2014 Author Report Share Posted October 3, 2014 Haha yeah rachel will do. I found out what it was by meticulously listening with a bar to my ear and putting the other end on each item like a stethoscope. To be honest after checking everything else that's all that was left. It now sounds so quiet when ticking over which the neighbours now appreciate, as the aircon pump was also faulty so had that done. Thanks all for the help and my sanity! Link to comment Share on other sites More sharing options...
Luke Posted October 4, 2014 Report Share Posted October 4, 2014 So, no ducks? Link to comment Share on other sites More sharing options...
evergoodstudios Posted October 4, 2014 Author Report Share Posted October 4, 2014 Nope, now totally duck free! 1 Link to comment Share on other sites More sharing options...
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