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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5865

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Drive belt replacement interval
Does anyone know the replacement interval for the drive belt on a 1999 TD5?
I am getting what I think is a squeaky idler tensioner (at least I think its that) and thinking it might be time to do the drive belt. I have done about 50k / 5 years of motoring on the current belt 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #414049 5th Apr 2015 8:34pm
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VeeTee



Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Netherlands 
IIRC it is 96K for the belt (alternator and water pump etc., the timing has a chain). However, the tensioner bearing could be in for replacement earlier if it is squeaky. Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
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Last edited by VeeTee on 5th Apr 2015 9:08pm. Edited 1 time in total
Post #414061 5th Apr 2015 8:56pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5865

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
If its every 96k then I am only 12k off having it done (assuming it was done at 96k)
If I am doing the tensioner then I may as well get the belt done as well. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #414062 5th Apr 2015 9:00pm
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Ken B



Member Since: 17 Dec 2013
Location: Essex
Posts: 106

Easy job to do yourself... 15mm with a flexi head ratchet is the best to push the tensioner away to free the belt! Then either 13/14mm (sorry done twice recently but can't remember) to remove the tensioner itself. Defender 90 TD5 County -
You need only two tools in life: WD-40 and duct tape.
If it doesnt move and it should: WD-40.
If it moves and shouldnt: duct tape it.
Post #414105 5th Apr 2015 11:11pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5865

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Ordered the bits (thanks Dan) and when the arrive next week time to look at the belt.
From what I have read and seen, the tensioner is down on the drivers side by the Alternator?
So reading Ken B's post, all I need to do is push the tensioner away from the belt, then pop the belt off.
Release the tensioner and then remove the old belt (noting the fitment over the pulleys)
Replace the tensionser and mount and then torque up.
Push tensioner back in, and hook the belt over? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #416837 17th Apr 2015 12:13pm
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Tommo



Member Since: 19 Dec 2013
Location: Leicestershire
Posts: 830

United Kingdom 2006 Defender 90 Td5 Black LE Java Black
Hi excossack
I got my mate to help when I did mine as holding the pulley away and trying to get belt off then new one on is a pig!!
As for the frequency I think it is every 8 years or 96k if you average 12k per year.
good luck
tommo
Post #416925 17th Apr 2015 7:01pm
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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
My tensioner is squeaking at 115k and I have a new belt so following your lead Very Happy
Post #416931 17th Apr 2015 7:24pm
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Ken B



Member Since: 17 Dec 2013
Location: Essex
Posts: 106

excossack wrote:
Ordered the bits (thanks Dan) and when the arrive next week time to look at the belt.
From what I have read and seen, the tensioner is down on the drivers side by the Alternator?
So reading Ken B's post, all I need to do is push the tensioner away from the belt, then pop the belt off.
Release the tensioner and then remove the old belt (noting the fitment over the pulleys)
Replace the tensionser and mount and then torque up.
Push tensioner back in, and hook the belt over?


I swapped my altenator out last week, again same process the Flexi head ratchet makes it easier and can be done as a one man job but a extra set of hands would make it something that can be done with eyes shut. Defender 90 TD5 County -
You need only two tools in life: WD-40 and duct tape.
If it doesnt move and it should: WD-40.
If it moves and shouldnt: duct tape it.
Post #416941 17th Apr 2015 8:01pm
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mk1collector



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

England 2004 Defender 110 Td5 CSW Bonatti Grey
Just had my belt, both idlers, tensioner, water pump, power steering pump and bottom pully done last week because the bottom pully was failing and figured while the front was off might aswell do everything as she's done 114k now. Also replaced radiator, intercooler and had silicone hoses fitted at the same time because I like the belt and braces approach Mr. Green Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #416942 17th Apr 2015 8:03pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5865

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Replaced the drive belt, tensioner and idler pulley. Not a bad job (needed assistance from Mrs Excossack to slip the belt on while I held the tensioner back.
What I forgot though was...there are two idler pulleys so only replaced one of them. So now need to go through the whole thing again and replaced the idler pulley closest to the cylinder head.

I could feel movement in the tensioner pulley and could hear whirring noises in the the idle pulley I replaced.
So all in all a good move I think.

Dan @ duckworths standby your phone tomorrow! 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #419169 26th Apr 2015 2:22pm
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