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Home > Maintenance & Mods (L322) > Diff Breathers

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gonfishen

Member Since: 18 Jul 2016
Location: melbourne
Posts: 11

Diff Breathers

i have a 06 RR TD6 and intend to do some outback touring in Aust, There is sometimes a need to cross rivers and creeks and i was wondering if the RR has diff and gear box breathers or is best to get some after market ones fitted, i have had a look under and i cannot see any thing that looks like a breather, but having owned Land Crusers and Hi Luxes i am not sure what to look for on a RR. Sorry if this topic has been covered i could not find it in search.

8th Aug 2017 7:48am

RRPhil

Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 971

Welcome to the forum gonfishen.

Yes, the transmission, transfer box and both final drives all have breathers fitted with tubes designed for wading.

The breathers for the transmission and transfer box emerge above the bellhousing between the engine and bulkhead. They have a characteristic hook on the end.

Click image to enlarge

On the 4.4 V8 petrol model the front final drive breather tube passes through a slot in the camshaft cover – not sure about the TD6 though.

Click image to enlarge

Phil

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8th Aug 2017 10:35am

gonfishen

Member Since: 18 Jul 2016
Location: melbourne
Posts: 11

Many thanks for the info, i think i will get some extention pipes fitted just in case

8th Aug 2017 11:56am

p38arover

Member Since: 16 Dec 2015
Location: Western Sydney
Posts: 1536

^^ ditto

I did some river crossings yesterday (in company with three 110 Perenties) and was a bit concerned )for me, not them - they had snorkels!). I know my P38A had breathers but was unsure of the L322 as I've seen breather kits advertised for them. (sorry no pics of the crossings where the water was over the bonnet.)

I'll get mine onto a hoist this week and double check. Could be a good time to do a fluid change on the diffs and transfer case, too. The trans has just been done whilst investigating the trans failsafe program error (it was cracked solder joints on the transfer case shift motr potentiometer). Ron B. VK2OTC
2003 L322 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA

Last edited by p38arover on 14th May 2022 5:13am. Edited 1 time in total

8th May 2022 11:36am

p38arover

Member Since: 16 Dec 2015
Location: Western Sydney
Posts: 1536

I note that the recommended fluids aren't available from Castrol.

I might have to try an aftermarket parts supplier. Ron B. VK2OTC
2003 L322 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA

14th May 2022 5:12am

p38arover

Member Since: 16 Dec 2015
Location: Western Sydney
Posts: 1536

I got the Castrol transfer case fluid from a local parts supplier. For the diffs, I used Penrite PRO GEAR 75W-90 (Full Syn.) GL5.

When I drained the diffs and transfer case, there was no sign of any water ingress which was great. Ron B. VK2OTC
2003 L322 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA

29th Jun 2022 3:41am

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