Vehicle & Technical > Discovery

Disco 300tdi aux belt squeak!

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glaggs:
Fitted a new aux drive belt to my 300tdi disco 'cos the old one was starting to squeal and fray. New belt squeels worse than old one. I have also fitted a new water pump as there was play in the bearing. Any suggestions on stopping the squeal. WD works for a while but then the sqeal comes back!

Range Rover Blues:
Someone said to only fit Quality branded ones as cheap ones do squeal.  You could ask you local motor factor for a squeal stop spray, use it sparingly though :wink:

karlo:
Unbolt the tensioner pull it forward place a 1p at 9 'o' clock position and tighten the tensioner back up and you will proberly find it cures your problem.

mickelson:
if you have fitted a new water pump at the same time as a new belt and the squealing is now worse then i would first confirm the alignment of all the pulleys. I have used belt dressing a few times and it works a treat for a while. I have fitted new belt and tensioner in the past and still have the noise sometimes. There are so many pulleys there that it is difficult to pin point one of them without a process of elimination.

Disco_Stu:
As said above, it will more than likely be your top pulley thats making the noise.
You can shim it out with a coin as mentioned but I fitted a new pulley. I think it cost about £45. Shop around, you may find them cheaper.

Stu.

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