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Rear diff external corrosion
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Skagg
 


Member Since: 15 May 2015
Location: Not where i'd like to be
Posts: 1023

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4
Rear diff external corrosion

I dropped the spare to change a tyre today and the condition or the rear diff caught my eye.

It looks like it's been dragged out of the sea with several sizeable flakes of metal falling off the outside






The car spent its early like near the sea which probably explains the corrosion but is it cause for concern or common sight on these cars at 12 years old?



I'm concerned that the casing could potentially rupture or if it requires maintaince, i'll never get those bolts out in on piece.

Peace of mind welcomed Thumbs Up

Cheers n Gone Nick Thumbs Up
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Post #205511322nd May 2019 11:22 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1771

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

I would probably just clean it up with a wire brush and give it a coat of some anti rust - many different brands available. They are a cast steel product.
  
Post #205531123rd May 2019 9:34 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
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Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

I'd be more concerned about the condition of the chassis...
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Post #205532823rd May 2019 11:16 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10463

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Disco_Mikey said:-

Quote:
I'd be more concerned about the condition of the chassis...


What would you recommend that Nick does regarding the chassis?

Pressure wash/steam clean, inspect & then decide? If one does this are there any special precautions? Clearly avoid wiring, brakes, sensors etc.. but any other advice?

NJSS
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2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
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1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
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Post #205533623rd May 2019 1:05 pm
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