B8 S4 S/C Tensioner Bolt?

[B8S4OZ]

Hi,

Just wondering if anyone happens to know what I need to remove the s/c belt tensioner? I can see in ELSA that it requires 40nm when fitting but I was hoping someone knew off the top of their head before I get under there.

I recently replaced the belt and it's squeaking like hell. The tensioner only cost $100 so I figured I might as well replace it.

This one arrived the other day - https://www.sparesbox.com.au/part/ga...ensioner-39332

edit - wrong link posted

[Fresh.S4]

Put the car in service position and use a 14mm?? socket.

Pretty straightforward

[B8S4OZ]

Put the car in service position and use a 14mm?? socket.

Pretty straightforward

To release tension you use a 16mm but I'm trying to replace the whole tensioner. Just curious to know what bolt it uses, when removing the whole tensioner and replacing it.

[B7TitaniumA4]

I’m looking through pics, I feel like it’s either a 14mm or a t-40 torx or something…


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[Fresh.S4]

I'm pretty sure it's only a single bolt holding the tensioner.

[B7TitaniumA4]

It’s a torx




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[B8S4OZ]

I’m looking through pics, I feel like it’s either a 14mm or a t-40 torx or something…


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Thanks heaps man!! Gonna get under her today.

[B7TitaniumA4]

Maybe an Allen head but I did upgrade mine and it came with a new bolt…


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[Thugmeet]

Maybe an Allen head but I did upgrade mine and it came with a new bolt…


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The INA branded one I got has the bolt and pulley as one piece. Can’t remove the bolt from the pulley.

[B8S4OZ]

The INA branded one I got has the bolt and pulley as one piece. Can’t remove the bolt from the pulley.

Yeah we are talking about the bolt that holds the whole belt tensioner assembly on.

[B7TitaniumA4]

This is what I upgraded to…

https://www.ecstuning.com/b-verstark...SABEgKo3_D_BwE




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[B8S4OZ]

This is what I upgraded to…

https://www.ecstuning.com/b-verstark...SABEgKo3_D_BwE




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I'm curious to know more about these. Is the extra $ worth it, if so how. Always keen to learn.

[B7TitaniumA4]

It claims to hold tighter tension on the supercharger belt to help prevent slipping on high horsepower tunes. I have this and an extremely tight Kevlar belt and as far as I can tell I don’t slip (I’m IE Dual pulley stage 2)


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[ccssid]

+1 on the kevlar belt. the reviews are quite mixed on this particular tensioner ???. I think I would go with something like: https://www.fcpeuro.com/products/aud...bea-06e903133q

[B8S4OZ]

Yeah I have the ECS red kevlar belt as well. T45 was the right size for the s/c tensioner. Looks like the part has been revised and now has a shorter bolt. As it was a real POS to get out. Also replacing the idler pulley too.

Curious to know, is there anyway to confirm belt slippage? I'm dual pulley (189mm + 57mm) and with 034 stage 2+ (e40).

[B8S4OZ]

Testing signature. Edit: it works, woo hoo.

[ccssid]

Kevlar Mfg*#7PK1300ECS. 187/57.75 dp. Belt is REAL tight. No way do I have any slippage....fwiw.

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[B8S4OZ]

Yeah I have the 1310 on my dual pulley setup. 7PK1310ECS

[Beriant]

Be careful with using a TORX bit blindly without confirming what the bolt head looks like, I am looking at the one I pulled off my car and it is actually a 10mm triple square and not TORX.

Stick your phone up there and take a picture to confirm.

[B7TitaniumA4]

Great point, it was awhile Ago when I pulled mine and I’m not home to take a look, if I could even find it…


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[B8S4OZ]

Sounds like the squeak is coming from the s/c. Replaced tensioner and idler pulley. The noise still exists, took off the s/c belt and the noise goes away. Which leaves only the supercharger.

https://drive.google.com/file/d/1bxm...usp=share_link

Hopefully this noise is playable.