Fix L322 range change

Jérôme André’s Range Rover gets a transfer box motor upgrade

WORDS AND PHOTOS: JÉRÔME ANDRÉ

From 2002 to 2006, L322 Range Rovers fitted with the diesel 3.0 Td6 and petrol 4.4 V8 BMW engines were equipped with the NV225 transfer box. Generally speaking it’s a hardy unit, but the motor responsible for switching between high and low range is prone to failing. This is mainly due to age – the earliest L322s are 17 years old, would you believe – as well as heat cycling and vibration fatigue. The mechanical part itself is fine and arguably over-engineered for what it needs to do (it merely turns a splined shaft in the transfer box that shifts between high and low gears). The trouble comes from the potentiometer managing the transfer box shaft position. It uses minuscule pins, or ‘wipers’, contacting a rotating carbon track. Over time, these degrade…

You're reading a preview of

Land Rover Owner (Digital) - 1 Issue, May 2019

DiscountMags is a licensed distributor (not a publisher) of the above content and Publication through Zinio LLC. Accordingly, we have no editorial control over the Publications. Any opinions, advice, statements, services, offers or other information or content expressed or made available by third parties, including those made in Publications offered on our website, are those of the respective author(s) or publisher(s) and not of DiscountMags. DiscountMags does not guarantee the accuracy, completeness, truthfulness, or usefulness of all or any portion of any publication or any services or offers made by third parties, nor will we be liable for any loss or damage caused by your reliance on information contained in any Publication, or your use of services offered, or your acceptance of any offers made through the Service or the Publications. For content removal requests, please contact Zinio.