S60 II 2011. aux belt snapping. Shredding

ShaunKaz · Dec 21st, 2021, 14:10

Hi .. 5 weeks ago whilst driving on the motorway my aux belt snapped and got under the cam belt and destroyed my cylinder head.. luckily I repaired the car myself but still cost £2000.. with replacement head etc.. cars been back on road for 2 weeks and only done 400 miles and the belt has snapped once again.. luckily no other damage has been done.. but why is the belt snapping.. or shredding..

Deck1ng · Dec 21st, 2021, 14:35

Perhaps an obvious question, are all pulleys and tensioners, water pumps etc, free running and properly aligned? Belt tensioned correctly? Not wanting to be discourteous to your abilities.

Familyman 90 · Dec 21st, 2021, 15:09

As well as alignment check for play or wear in the mountings of any item that the belt runs.

ShaunKaz · Jan 18th, 2022, 20:27

just to give an update on this.. I found that the alternator pulley which is supposed to be a clutch pulley is siezed.. So i purchased a new pulley and replaced it.. fingers crossed this will now be ok

Kev0607 · Jan 19th, 2022, 15:23

Quote:

Originally Posted by ShaunKaz

just to give an update on this.. I found that the alternator pulley which is supposed to be a clutch pulley is siezed.. So i purchased a new pulley and replaced it.. fingers crossed this will now be ok

Its not unheard of for the alternator clutch to seize. At least it didn’t do damage this time.

Rocinante · Jan 19th, 2022, 15:51

Out of interest, what's the mileage on your car ?

ShaunKaz · Jan 21st, 2022, 06:40

Quote:

Originally Posted by Rocinante

Out of interest, what's the mileage on your car ?

Mileage is 160,000

Dec 21st, 2021, 14:10	#1
ShaunKaz New Member Last Online: Feb 5th, 2022 18:23 Join Date: Mar 2013 Location: Prestatyn	S60 II 2011. aux belt snapping. Shredding Hi .. 5 weeks ago whilst driving on the motorway my aux belt snapped and got under the cam belt and destroyed my cylinder head.. luckily I repaired the car myself but still cost £2000.. with replacement head etc.. cars been back on road for 2 weeks and only done 400 miles and the belt has snapped once again.. luckily no other damage has been done.. but why is the belt snapping.. or shredding..

Dec 21st, 2021, 14:35	#2
Deck1ng Master Member Last Online: Apr 14th, 2024 13:04 Join Date: Apr 2018 Location: North Yorkshire	Perhaps an obvious question, are all pulleys and tensioners, water pumps etc, free running and properly aligned? Belt tensioned correctly? Not wanting to be discourteous to your abilities. __________________ Current, XC60 AWD D5 SE DRIVe 1st motor. Austin A35, indicators and heater optional. Not forgetting RTFM Last edited by Deck1ng; Dec 21st, 2021 at 14:57.

Dec 21st, 2021, 15:09	#3
Familyman 90 The Brit Brick Last Online: Aug 13th, 2023 09:39 Join Date: Jul 2021 Location: Warwickshire	As well as alignment check for play or wear in the mountings of any item that the belt runs. __________________ *2005 C70 2.4T Collection convertible. 40,000 mile sunny day toy.*

Jan 18th, 2022, 20:27	#4
ShaunKaz New Member Last Online: Feb 5th, 2022 18:23 Join Date: Mar 2013 Location: Prestatyn	just to give an update on this.. I found that the alternator pulley which is supposed to be a clutch pulley is siezed.. So i purchased a new pulley and replaced it.. fingers crossed this will now be ok

Jan 19th, 2022, 15:51	#6
Rocinante Master Member Last Online: Mar 27th, 2024 12:26 Join Date: Sep 2010 Location: Mystery Location	Out of interest, what's the mileage on your car ?

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