squeaky noise from engine
#1
squeaky noise from engine
Hi I had my serpentine belt replaced 2 weeks ago. ( was squeaking) Yesterday the squeak came back at idle, and would become louder while accelerating. Today the squeak is still there but now I think I also hear a little rattling noise. I took it to the place I had the belt replaced and they said its probably 2 of the pulleys. any suggestions? from my knowledge nothing on the engine has been changed or swapped out (performance parts wise.)
ty everyone.
ty everyone.
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How many miles on the car?
The OEM supercharger pulley is pressed on so you see no small screws/bolt at like 12, 3, 6 and 9. It is also black. An aftermarket pulley is usually a shiny looking metal and has the screws at 12, 3, 6 and 9. You may need to put a small mirror down between the pulley and the car frame to see. If you have an aftermarket pulley, go back to the shop and ask if they compensated accordingly.
Also just for s&gs, check to see if the shop pulled the tensioner strap pin out. If you have not watched, the video below by Mod Mini will show you the pulley, the belt, the tensioner and how you get them all off (the strap pin as well).
The mileage will tell allot as you may have a bad crank dampener pulley, tensioner pulley or even the alternator/ac compressor. If the belt is slipping it is loose or a pulley is seizing up. The question is whether you are hearing a bearing rattle.
https://www.youtube.com/watch?v=KpQuHeJLFHk
The OEM supercharger pulley is pressed on so you see no small screws/bolt at like 12, 3, 6 and 9. It is also black. An aftermarket pulley is usually a shiny looking metal and has the screws at 12, 3, 6 and 9. You may need to put a small mirror down between the pulley and the car frame to see. If you have an aftermarket pulley, go back to the shop and ask if they compensated accordingly.
Also just for s&gs, check to see if the shop pulled the tensioner strap pin out. If you have not watched, the video below by Mod Mini will show you the pulley, the belt, the tensioner and how you get them all off (the strap pin as well).
The mileage will tell allot as you may have a bad crank dampener pulley, tensioner pulley or even the alternator/ac compressor. If the belt is slipping it is loose or a pulley is seizing up. The question is whether you are hearing a bearing rattle.
https://www.youtube.com/watch?v=KpQuHeJLFHk
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Everything seems right parts wise and from the amount of the tensioner tab showing. It could be the strut on the tensioner is worn out so the tensioner is bouncing around and causing the squeak. The strut is what usually fails on the tensioner and is not available separately. Most recommend the Gates tensioner as a replacement which is around $125.
Not sure how far away Philidelphia is to you, but it's home to one of the best MINI specialists in the country, Helix Motorsports. It might be good to have Eric check out the noise and also see if you want to use them for future work.
http://store.helix13.com/
Not sure how far away Philidelphia is to you, but it's home to one of the best MINI specialists in the country, Helix Motorsports. It might be good to have Eric check out the noise and also see if you want to use them for future work.
http://store.helix13.com/
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#18
I'm not sure it's possible to detension the tensioner enough prying like that, but that doesn't look good. Was the shop who did the belt a MINI shop? Also, the pic reminds me that Litens is another good choice for a new tensioner as they are supposed to be the OEM manufacturer of the part.
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