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Pufftmw



Member Since: 23 May 2012
Location: London
Posts: 488

United Kingdom 2007 Range Rover Sport TDV6 HSE Stornoway Grey
Bonnet Open - How To Fix

I've been getting intermittent "Bonnet Open" coming up after I open/close the bonnet for whatever reason. Normally I just stick my fingers under the switch an wiggle and that temporarily fixes it but today that didn't work.

Reason it generally fails is that grunge/mud/muck get into the switch housing unit and the that stops the micro-switch from having enough travel to work.

Its a really simple fix and I would say easier/safer than short-circuiting the switch as some have done.

Tools - screwdriver & WD40

1 use the screwdriver to push back the two retaining clips at the front of the bonnet catch that hold the switch unit in place

2 unplug the wire from the back of the switch

(do it this way in case you drop the switch!)

3 clean thoroughly the mirco-switch and housing unit. Ensure the 2 holes at the bottom of the housing unit are not blocked as this will help muck/water escape

4 reassemble!

Pictures...

Fully Assembled



Cleaned Micro-Switch & Housing





If you still have issues afterwards, you can bend the metal contact slightly outwards to ensure a better push.

Post #488236 Sat Feb 20 2016 11:59am
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SH0X



Member Since: 25 Jan 2016
Location: London
Posts: 82

United Kingdom 2005 Range Rover Sport Supercharged Java Black

Excellent,
Pictures always make things alot clearer Thumbs Up

Post #488320 Sat Feb 20 2016 11:38pm
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Nigex4x4



Member Since: 17 Jul 2014
Location: scarborough
Posts: 18

United Kingdom 2006 Range Rover Sport TDV6 HSE Arctic Frost
Great`

Thanks for this - been bugging me for too long. Getting screwdriver out! 2005 RRS HSE Arctic Frost (more like Scotch mist)

"When you are going through Hell - keep going!" Sir W Churchill

Free plumbing advice to fellow sufferers

Post #502722 Sat Aug 13 2016 12:06pm
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Eaters



Member Since: 11 Apr 2016
Location: East Sussex
Posts: 517

United Kingdom 2008 Range Rover Sport TDV8 HSE Zermatt Silver

Mine did this for the first time just the other day. So this is very timely, thanks. Robin
2008 Range Rover Sport TDV8
Awaiting rebuild: NGTF
Gone:
Jaguar S-Type V8 4.2 Sport
MGZTT 190 2.5

Post #502746 Sat Aug 13 2016 4:14pm
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Louiscypher



Member Since: 29 Sep 2012
Location: Northampton
Posts: 38

2009 Range Rover Sport TDV6 HSE Bourneville

I had this happen a few times and eventually just bought a replacement for approx 20.00. Just remember to mark where the existing one is located - getting it wrong can be a pain because the lid won't close properly.... '10 RRS 5.0 SC
'13 Cayman S

Post #506388 Sun Sep 25 2016 8:45pm
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