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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
Bonnet catch issue
Ah another day another issue Sad, gotta love a Defender

So driving along I've noticed my bonnet opens itself as if I'd pulled the leaver under the dash. Thankfully it's not gone past the initial catch and flown off into my windscreen yet..


So any clues what I'm looking at to fix this ?
Post #645966 23rd Aug 2017 8:44pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17414

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Either the prong on the bonnet, or, more likely, the receptacle on the shut panel is worn and needs replacing.

I had exactly the same problem last year and had to replace the receptacle to cure it.
Post #645999 23rd Aug 2017 10:47pm
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300TDi CSW Phil



Member Since: 03 Apr 2016
Location: Bracknell
Posts: 750

United Kingdom 1995 Defender 110 300 Tdi CSW Epsom Green
It may also be worth checking that the cable runs freely and is not sticking.

If it is getting some cable lube (as used on bike brakes) down it and see if that improves it. 1995 300 Tdi Epsom Green - It's a keeper.
Wide Track Sankey- In bits- Gone to a new home
M0XQS
Post #646017 24th Aug 2017 5:53am
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
blackwolf wrote:
Either the prong on the bonnet, or, more likely, the receptacle on the shut panel is worn and needs replacing.

I had exactly the same problem last year and had to replace the receptacle to cure it.


I will have a look and see if i can work out what you mean lol , ill add photos if its not clear Smile Thank you
Post #646050 24th Aug 2017 9:44am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20413

United Kingdom 
Sometimes the cable is worn and frayed.
Mine is slightly, but not causing any issues yet.
It could be that. $W33T $0U7H3RN $UG4R
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Post #646068 24th Aug 2017 12:11pm
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rustandoil



Member Since: 08 Sep 2012
Location: Cotswolds
Posts: 743

England 2005 Defender 110 Td5 XS DCPU Bonatti Grey
Give the mechanism a squirt of something like WD40 and "exercise" it a bit ....see what happens
Post #646079 24th Aug 2017 1:28pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
So looks like a new catch has been fitted maybe the issue there?


Click image to enlarge


Wire is not as tight as I'd expect but no clue on how you would access it easily?

Click image to enlarge



Click image to enlarge


Do you need to work through the tiny access holes or take the whole fan assembly out? I can't wiggle or pull the bonnet open so it's only when driving along it does it
Post #647417 31st Aug 2017 3:08pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17414

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The fault will be either wear on the prong - the thing with a spring surrounding it - or the catch in the receptacle that the prong goes into. The prong simply unsrews from the bonnet once the lock nut is loosened (but beware that the spring is quite powerful), to access the recptacle you need to take the grill off.

The prong has a sort of arrow head on it which should have sharp shoulders. If thye are rounded, the bonnet will prong open as you describe. More often that not, it is the edge of the catch in the receptable that wears though, which has the same effect. You cannot see the relevant edge, however, so if the prong looks good then replace the receptacle. Neither is particularly expensive.

Also when you refit leave som slack in the operating cable, since if it is too tight the parts may not engage fully.

If you have a/c (which I don't) accessing the receptacle may be more difficult.

The catch you have photographed is the secondary catch and the onlt thing between you and a wrecked bonnet and smashed windscreen at the moment!
Post #647427 31st Aug 2017 3:41pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
As I'm not entirely sure what you mean as I'm assuming it's not in my photos? You have a link to the parts?
Post #647440 31st Aug 2017 4:48pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17414

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
This bit on the bonnet.

This bit on the closure panel. The picture shows this upside-down.

Note that these are not necessarily the exact parts for your vehicle, since there are two different diameters that were used. Check the part numbers for the model year or VIN of your vehicle. I just grabbed these links quickly to show you what I am talking about. Thumbs Up
Post #647450 31st Aug 2017 5:31pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
Cheers , so aftermarket ok so we think or twice the price LR? Also were the different diameters user on different year ranges? Mines 2002 52 plate
Post #647455 31st Aug 2017 5:54pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 

Click image to enlarge

Looks a little worn


Click image to enlarge

Not sure this is quite right or not seems to have a lip inside
Post #647465 31st Aug 2017 6:36pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
Swapped the striker out seems much better when closed. Not sure if it matters if the groove is vertical or not though as it doesn't seem to make a difference. I'll test it at speed now.
Post #649368 10th Sep 2017 3:49pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17414

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The 'groove' is just a slot so that a screwdriver can be used to adjust the pin.
Post #649493 10th Sep 2017 9:59pm
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Djcla



Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

United Kingdom 
Lol excellent I thought that was the case but wasn't 100%. I actually think the old one just needed adjustment/tightening but new was only £6 so hopefully that's now fixed.
Post #649514 11th Sep 2017 6:22am
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