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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
I did mine the other week but I didn't bother taking the fan off. A bit of poking with a pry bar and the belt can be fed around easily Thumbs Up Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #603023 19th Feb 2017 1:44pm
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cobra_mark



Member Since: 17 Feb 2015
Location: West Yorks
Posts: 213

United Kingdom 2000 Defender 90 300 Tdi SW Barolo Black
I invested in a set of fan spanners some time ago so finally got to use them.

Noted the fan has its own slight noise when fitted Rolling Eyes
Post #603043 19th Feb 2017 3:03pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
GarethR wrote:
Yes genuine parts, from Duckworths. Tensioner is ERR6951, belt is PQS101500 (that's with aircon)

Only slightly tricky bit was getting the fan off. I used a good fitting spanner, and gave it a good hard clout with a hammer. It's conventional right hand thread.

Use 15mm socket on tensioner nut to pull the tensioner off the belt whist you slip it off the pulleys.

14mm 12 pointed socket and long breaker bar to release tensioner bolt.


Resurrecting this thread for obvious reasons Big Cry

I have the tensioner on its way to me, but am I interpreting (see above) that I need a particular socket for the mounting bolt?
If so, anyone got a link/spec as I'll get one today Thumbs Up

I wouldn't mind but it failed straight after I changed the belt - probably didn't like being pulled/twisted to its full tension after all this time Rolling with laughter

Thankfully the fan was easy to get off to change the belt so it should be straight forward - famous last words...
Post #719975 27th Jul 2018 3:06pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Idler Pulley
Anyone know the part number for the TD5 idler pulley (2004 with air con)?

I thought I might as well change it when fitting the new tensioner. Genuine LR tensioner on its way.

Most sites are listing ERR6658 however some are saying that's without air con. Are they one and the same?

Some sites are possibly getting their AC confused with their ACE (chance would be a fine thing...).

Also, I was only intending to replace the pulley/bolt/washer rather than the cast bracket aswell. Anyone suggest otherwise?

Cheers,

Will
Post #720072 28th Jul 2018 12:13pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Managed to clean off enough crud to identify the part number of the complete unit - pulley and casting - ERR6949.

Duly ordered Thumbs Up
Post #720086 28th Jul 2018 1:59pm
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Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Fitted the new tensioner and idler this morning (new belt was fitted last week). Getting ready for the annual trip to beautiful Dorset. 1/2 job taking it easy.

Genuine LR tensioner and belt spot on, but a word to the less wise (as many already know this), don't bother with an unbranded idler pulley and casting. The bearing was worse on the new one than the old one! Confused

The play between the inner and outer race was, well, shocking. Fortunately I had a new branded pulley and a new casting, so I made up a good one. The 'new' one is going back for obvious reasons.

Having said that, I've still got a very slight 'chirp' on start up and switch off - and I just hope that it's nothing sinister as I prepare for the trip Whistle
Post #720640 31st Jul 2018 10:14am
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
Chirp on switch off could be the harmonic damper (crankshaft pulley) have a read of this.
http://www.discovery2.co.uk/CrankPulley.html Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #720659 31st Jul 2018 11:00am
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
That could very well be the culprit Ray Thumbs Up

Looks like I'd better start saving up - as the new pulley doesn't come cheap (or chirp Rolling with laughter ).

That said, it's only a very slight chirp so I might get away with it being a winter job Whistle

Anyone on here completed this job on a Defender? If so, any pointers (although the link/thread above is very comprehensive).

Obviously not having a 3/4 torque wrench might be something that means I'll let somebody else do the job, but other than that it looks straight forward. Famous last words...

Thanks again Ray Thumbs Up
Post #720688 31st Jul 2018 1:29pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
Thumbs Up I had mine done as it was causing a vibration at motorway speeds. It looked fine but when compared to the new one you could tell the rubber was going. The garage did it for me so can’t comment on how easy it is to do. Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #720717 31st Jul 2018 6:10pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 1993

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
What is this 'motorway speeds' witchcraft you speak of Ray Rolling with laughter

I doubt I'd be able to pick the crank pulley out as the culprit of noise/vibration at anything around 70mph Whistle

Thanks for the feedback, I can't imagine it being too expensive as its more a case of having the right tools than being anything too taxing looking at that thread/link you posted Thumbs Up

I've seen a number of complete crank pulleys for less than £100 but I'm really genuinely concerned about some of the quality given recent experiences (fuel pump, idler pulley etc.).

If any other forum members wish to share their experience of the job itself, and after market crank pulleys, then I'm all ears Bow down
Post #720720 31st Jul 2018 6:17pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
I went for an oem pulley, I think it was Quinton hazel but could be wrong as it was a while ago. Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #720722 31st Jul 2018 6:20pm
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rsms



Member Since: 12 Jan 2013
Location: Home
Posts: 34

Slovenia 
Torque setting for 3 idler pulley bracket bolts
Hello,

very usefull infos here. I also have to replace idler pulley on my 2002 TD5 (it is squeaking a lot...). I got new idler pulley with bracket (ERR 6949LR).

Replacing looks straight forward - I just cant find the correct torque setting for tightening 3 pulley bracket bolts? Looked everywhere but no luck Sad

Does anyone have that info?

Thanks
Post #750012 8th Jan 2019 4:49pm
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rsms



Member Since: 12 Jan 2013
Location: Home
Posts: 34

Slovenia 
I think there are three M8 x 1,25 bolts which fastens idler pulley bracket to the A/C support frame.

Does it sound ok to tighten the bolts to 25Nm?
Post #750241 9th Jan 2019 8:56pm
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