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AuthorTopic: Timing Belt Tension Pulley  (Read 1005 times)

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Offline Cheggs

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Timing Belt Tension Pulley
« on: March 16, 2009, 20:07:40 »
Hi,
    I have just fitted a timing belt to my 300tdi, when I tightened the left hand pulley it tightend by hand but as soon as I tryed to torque it it kept spining I assume the stud is coming out,Any Ideas if its safe to Drive (the pulley seemed solid) Is there any way to refix the stud? Would Thread lock do it? The engine is back together and sems to runn fine but has only been started for now, and hasn't been under any strain.  8-[
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1994 Discovery 300 TDi Auto 
1972 Series III w\Prima Perkins     
       
1965 sIIa (Project)
1991 Discovery 200 TDi (Now sold)

"I'm not  mechanically minded but, I have several hammers"

Offline hobbit

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Re: Timing Belt Tension Pulley
« Reply #1 on: March 17, 2009, 18:47:17 »
By the sound of it, it looks like either the thread in the hole has stripped or the bolt thread, if either is the case it can unscrew over time and the tensioner will slacken causing the belt to jump on the cogs or snap, either not good for the engine



Not adviseable to run or drive until sorted out so the stud tightens up to the required torque
« Last Edit: March 17, 2009, 19:11:47 by hobbit »
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Kev

'91 stretch Discovery 200 Tdi
Hybrid for running round (got to go now)
Srs 3 Lightweight petrol (got to go)
Srs 3 Lightweight petrol, runabout

Not every problem can be solved with duct tape, and it's exactly for those situations we have WD 40

Offline Cheggs

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Re: Timing Belt Tension Pulley
« Reply #2 on: March 18, 2009, 07:56:49 »
Thanks Hobbit,
                       confrimed what I was thinking, I have booked it in at the Garage to get it helicoiled, just hope it makes it that far, well 2 chances I suppose :lol:
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1994 Discovery 300 TDi Auto 
1972 Series III w\Prima Perkins     
       
1965 sIIa (Project)
1991 Discovery 200 TDi (Now sold)

"I'm not  mechanically minded but, I have several hammers"

Offline Cheggs

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Re: Timing Belt Tension Pulley
« Reply #3 on: March 25, 2009, 10:01:25 »
The End result of this was that i chickened out and got the Garage to sort it, the stud hole had cracked, so I have had to have a new back plate, ouch that hurt the wallet. :sad:
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1994 Discovery 300 TDi Auto 
1972 Series III w\Prima Perkins     
       
1965 sIIa (Project)
1991 Discovery 200 TDi (Now sold)

"I'm not  mechanically minded but, I have several hammers"

Offline trecfive

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Re: Timing Belt Tension Pulley
« Reply #4 on: March 25, 2009, 19:30:36 »
It's a pity you didn't post that you needed one. Ive got two.
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1. Range Rover Classic 300tdi SE Auto Softdash
2. Range Rover Classic 300tdi SE Auto Softdash, apparently very rare.

Offline Cheggs

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Re: Timing Belt Tension Pulley
« Reply #5 on: March 26, 2009, 09:48:43 »
Well that is normal for me,  :D but time was an issue, on th eplus isde though I'm geting more confidence to have go in he first place :lol:
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1994 Discovery 300 TDi Auto 
1972 Series III w\Prima Perkins     
       
1965 sIIa (Project)
1991 Discovery 200 TDi (Now sold)

"I'm not  mechanically minded but, I have several hammers"
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