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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
Fitting rear diff protector
I have a QT rear diff guard to fit to my 2001 TD5 90.

Trouble is, I cant find the right size thread for the two bolts that will fasten the guard to the botton of the diff - the two holes are on the nose of the diff. Can anyone tell me the specific size/thread I need..?

cheers

simon
Post #185724 16th Nov 2012 9:54pm
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Retroanaconda



Member Since: 04 Jan 2012
Location: Scotland
Posts: 2637

Scotland 
Mine were 3/8 BSF x 5/8". I don't think they changed on later models, but if they did then it'll likely be M10.

Land Rover part number SH406061L is the BSF bolt, or get one from a fasteners place.
Post #185725 16th Nov 2012 10:02pm
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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
Thanks, will give them a try... Thumbs Up
Post #185726 16th Nov 2012 10:08pm
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Landyphil



Member Since: 23 Jul 2012
Location: Lake District
Posts: 87

United Kingdom 2003 Defender 110 Td5 USW Stornoway Grey
If you're wondering why they're BSF I believe it's the same thread that was fitted on the diff from it's design.

Which I think is a 1932 P2 limonsine! 90XS Tdci John Eales
110 CSW G4 Edition
88" Series 3 Racer
Post #186029 18th Nov 2012 9:34am
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chinnus



Member Since: 24 Aug 2012
Location: UK
Posts: 119

2001 Defender 90 Td5 ST Coniston Green
i fitted one and it came with the bolts? did yours not come??

On the front QT diff guard you remove the guard covering the bar (sorry not sure of the name) and then reuse those bolts
Post #187641 23rd Nov 2012 8:21pm
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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
Yes, mine came with bolts but wouldnt fit. I went and bought a couple of the BSF bolts and they dont fit either (and turn out they were the same as the ones supplied by QT).

I took the simple solution of tapping the holes and can now fit a M10 bolt.

I guess my diff was made differently to all others....dont you just love Land Rovers..Wink

cheers

simon
Post #187692 23rd Nov 2012 9:30pm
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Andy Jeff



Member Since: 11 Nov 2012
Location: Suffolk, UK.
Posts: 143

United Kingdom 1999 Defender 90 Td5 CSW Chawton White
I fitted QT diff guards and the bolts they came with we're spot on!

However, I do remember that the front was much easier than the back to fit. Removing the tie rod protector from the front diff meant that the bolt holes were clean. On the rear however, the bolt holes had nothing in them and were consequently full of crud which meant the supplied bolts seemed not to fit. A good clean out of the threads in the diff soon sorted the problem!

Andy.
Post #187697 23rd Nov 2012 9:40pm
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chinnus



Member Since: 24 Aug 2012
Location: UK
Posts: 119

2001 Defender 90 Td5 ST Coniston Green
ahhh good stuff.... i made a similar annoying mistake ended up putting the qt spacer on the front diff and not the back one.... need to swap it over will get round to it one day
Post #187713 23rd Nov 2012 10:40pm
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EWS



Member Since: 29 Nov 2011
Location: Bristol
Posts: 156

United Kingdom 2006 Defender 90 Td5 HT Alveston Red
QT Diff Rock Sliders/Guards. Just fitted a pair of these this week,believe these to be well made pieces of kit, complete with all bolts and fitting instructions. No problems with fitting front diff slider, bolt holes clean due to removal of original installed bracket . Fitting the rear diff slider required cleaning out and use of a tap to clear the two previously unused boltholes on the nose of the rear diff, other than that no problems
Post #192580 10th Dec 2012 10:43pm
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