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11-03-2018, 03:18 PM | #1 |
First Lieutenant
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Rep 383
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Idler Pulley Replacement - Tip
I mentioned this in the other post, however if you don't read until the end of the post, you may miss it. Hopefully it helps someone....
The idler pulley near the water pump with either the offset or centered hole (depending on build date), that is rather inexpensive at $25-$30. However, the two tensioner pulleys are hella expensive because they don't sell the pulley separately ($160 & $185). I did manage to pull those two apart afterwards. Each tensioner uses the same pulley. Measured Pulley Dimensions - 1. OD - 70mm 2. ID - 16.95mm 3. Width - 26mm Dayco has two pulleys listed - Pulley #89144 - OD - 70mm ID - 17mm Width - 25mm & Pulley #89133 OD - 70mm ID - 17mm Width - 24.5mm Both said they can be used for 6 rib belts. They list for ~$25 on Amazon. This may be a cheap alternative than replacing the entire assembly which isn't needed. Doug |
09-25-2020, 02:43 AM | #4 |
First Lieutenant
274
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Do you know the torque for these bolts? Since they are a Silver Coated M10 10.9 Bolt...according to NEWtis...it says 56Nm but I am not sure...
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09-25-2020, 06:44 AM | #5 |
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09-25-2020, 08:53 AM | #6 |
First Lieutenant
274
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Yeah I am already getting frustrated. I got everything put together and there is a HORRIBLE vibration that I can feel through the entire car when the car is idling and running. No idea what the hell is going on.
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09-25-2020, 12:58 PM | #8 |
Major
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DontTellMyWife pointed to this INA pulley as a direct replacement pulley for the tensioner pulleys. https://www.m3post.com/forums/showpo...7&postcount=44
INA 532 0342 10 Diameter [mm]: 70.00 Width [mm]: 26.00 $20.99 on FCP https://www.fcpeuro.com/products/bmw...li-11281440237 $23.00 on Amazon https://www.amazon.com/Drive-Idler-P.../dp/B00FBQM344 Link on INA's catalog: https://aftermarket.schaeffler.com/e...312-5320342100 Last edited by msan; 09-25-2020 at 01:15 PM.. |
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09-25-2020, 04:44 PM | #9 |
New Member
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I had this same issue, did my motor mounts but nope...still there. It ended up being a crack in one of the cooling fins on my fan. $900 fix but my vibration is gone.
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09-25-2020, 05:53 PM | #10 |
First Lieutenant
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Tried that...but the problem is it feels all normal until I drive about 30 feet and then it starts vibrating the entire car. I might think it may be the 10mm socket i dropped somewhere in the engine bay...lol I need to take off all of the engine underbody stuff to check to see if its wedged in somewhere somehow...
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