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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > T60 Belt Tensioner - Stripped



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      03-23-2022, 02:51 PM   #1
crosbyblue
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T60 Belt Tensioner - Stripped

Hey all,

Does anyone have any tips on how to not strip a belt tensioner while adjusting the tension to get a new belt on? I just had to order a new one, because I destroyed my original one trying to slip on a new belt. This is on my 2011 N55 with 90k miles on it (tensioner probably needed replacing anyway).

I don't necessarily want to remove my fan and am using a long breaker bar + a regular 1/2 drive T60 socket.

Any advice would be appreciated!
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      03-23-2022, 03:12 PM   #2
mainbearing
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Was the T60 fully seated? It should not strip if that was the case. I had used T55 and that worked too.

A solution is to buy from FCP Euro and use their lifetime replacement warranty. Buy parts individually or buy the kit with idlers.

https://www.fcpeuro.com/products/bmw...-11287628653kt
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      03-23-2022, 03:28 PM   #3
TheMidnightNarwhal
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As stated above probably wasn't seated properly. I did the exact same with my 1st time with the new part. Thankfully FCP Euro lifetime warranty lol, got a replacement one. Had no issues with the replacement.
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      03-23-2022, 03:29 PM   #4
e90yyc
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There is no reason whatsoever that you should be stripping the tensioner. I’ve released belt tension many, many times, and I’m struggling to understand how this would even be possible…

To clarify, when you say “adjusting” the tension, you’re just referring to releasing the tension, right?

Fortunately, the new tensioner will come in the “loaded” position, with a steel pin holding it in place. Once you route your belt and get everything in place, you’ll simply use your breaker bar to “unload” tension from the pin, pull it out, then release the tensioner onto the belt.
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      03-23-2022, 04:38 PM   #5
crosbyblue
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Quote:
Originally Posted by e90yyc View Post
There is no reason whatsoever that you should be stripping the tensioner. I've released belt tension many, many times, and I'm struggling to understand how this would even be possible…

To clarify, when you say "adjusting" the tension, you're just referring to releasing the tension, right?

Fortunately, the new tensioner will come in the "loaded" position, with a steel pin holding it in place. Once you route your belt and get everything in place, you'll simply use your breaker bar to "unload" tension from the pin, pull it out, then release the tensioner onto the belt.
Good to know about the new tensioner, that takes some stress off me. Like the other posters said, I must have not fully seated the T60 properly, and I kept at it until it was rounded. Lol. Lessons were learnt.

Thanks!
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      03-24-2022, 04:21 AM   #6
Efthreeoh
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Buy a new T60 socket. Maybe the one you have is defective. Maybe it is not correctly labeled and is the wrong size. Or, perhaps you are unwhittingly moving the tool in the opposite direction.

Lastly, save the pin for later use.
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      03-24-2022, 12:28 PM   #7
mainbearing
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Many sets on the market do not go up to T55 or T60. Home Depot and many parts stores do not carry it. (That was why I made do once with T55, carefully. Worked well.)

In the US the $11.99 1/2"-drive Harbor Freight set does:

https://www.harborfreight.com/12-in-...-pc-67887.html

And plenty sets available on Amazon, like this $15.47 set:

https://www.amazon.com/13-Pieces-EPA.../dp/B01M1D1EZ4
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