Vehicle & Technical > Defender

300tdi Serpentine Belt

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Mark_Solesbury:
Hi

The Serpentine Belt on my 90 has a massive crack down it now. It still works ok, but its days are numbered.

I got a new one from Landrover, same as the old one. Same make, same model, same length.

I swapped it over yesterday and the new one squeaks like hell!

Its really really loud on tickover, and worse when you rev it.

Any ideas?

I put the old one back on and its fine. Ive checked that the old and the new are the same length and diameter.

J.D.:
This seems to be a thing with 300TDI engines, are you sure the belt is tightened up properly?

Mark_Solesbury:
You cant adjust the 300tdi, as it has a pulley on a spring to take up the tension.

J.D.:

--- Quote from: Mark_Solesbury on December 30, 2008, 17:38:41 ---You cant adjust the 300tdi, as it has a pulley on a spring to take up the tension.

--- End quote ---

Thats what I mean,. Is the tensioner making the belt tight enough or does the tensioner need to be replaced as it is worn?

Mark_Solesbury:
Soz  :oops:

Thats nearly new aswell.

I dont understand why the old belt doesnt squeak!

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