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Bolt suggestions for winch and bumper
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DaveM
 


Member Since: 05 Jan 2007
Location: UK
Posts: 378

England 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3
Bolt suggestions for winch and bumper

Looking for some advice from the hive mind.. had a bit of an oil leak (which I’ve traced to the gearbox oil feed into the water radiator), but I needed to fix a few bits around the winch and thought why not strip the whole front down and give the intercooler a clean out etc. Well, I found a mishmash of metric and imperial bolts/nuts and quite a few missing which I can only put down to hunters who did the engine/turbo replacement a couple of years ago. The bolts are also all corroded to Censored so nows the opportunity to put some quality ones in. Question - are stainless bolts strong enough in tension/shear for the bumper and winch and if so what grade should I be looking for ?

Picture for your general amusement

Cheers
Dave
  
Post #193012825th Mar 2018 3:55 pm
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Bodsy
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United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

No stainless won’t be strong enough. You need 10.8 grade bolts (stamped on the end of the bolts you’re taking off if they’re original)
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Post #193015125th Mar 2018 4:43 pm
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DaveM
 


Member Since: 05 Jan 2007
Location: UK
Posts: 378

England 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Thanks.

What would you recommend to avoid corrosion, is galvanised ok?

Cheers
Dave
  
Post #193016825th Mar 2018 5:20 pm
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TigerRecovery
 


Member Since: 31 May 2017
Location: Long Stratton, Norwich, Norfolk
Posts: 901

Wales 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

I think they should be either 8.8 or 10.9. There are several on the winch mount that are domed coach bolt types with square shoulders to locate in the cradle.

I cleaned the bolts up on mine and re-used them. The ones that attach it to the chassis legs are new though and they're M12 8.8 whereas the originals were M8.
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Post #193021125th Mar 2018 6:52 pm
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