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twr7cx
Member Since: 03 Mar 2019
Location: Tasmania
Posts: 184
  
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That's what I'd expect. So if belt tension is a cause of this failure, wouldn't that make it more likely for the belt to fail (due to unwarranted movement from lack of tension) rather than break the metal camshaft pulley?
I'd have thought the metal camshaft pulley was more likely to be the failure from an over tensioned belt causing metal fatigue over time? Mine - MY09 L319 D3 HSE Lion 2.7 TDV6 and modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 D4 Lion 2.7L TDV6
Dads - MY12 L319 D4 Lion 2.7L TDV6
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 13th May 2024 5:08 am |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20869
  
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The manual does make mention of only undoing the cam pulley bolts by no more than 2 turns each
I wonder if that has anything to do with it, possibly an uneven load in an unexpected direction during a belt change  My D3 Build Thread
TDV8 Retrofit Build Thread
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| 13th May 2024 6:50 am |
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ekwan
Member Since: 24 Apr 2016
Location: P Jaya
Posts: 35
  
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twr7cx wrote:Out of interested, when readjusting the tensioner post initial rotations after installation, are you finding the tensioner has moved to a position where it has increased or reduced tension on the belt?
JLR utter nonsense.
The adjustment on the tensioner is merely to ensure that the spring slack of the tensioner is taken up. After that, any slack is automatically taken up by the tensioner spring, so that belt tension remains constant for the entire life of the belt.
It's merely poor design or poor manufacturing quality of the tensioner-pulley system.
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| 14th May 2024 2:02 am |
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