JP Posted February 20, 2023 Share Posted February 20, 2023 I'm finally rebuilding and need to replace oil in my std open diff, gearbox and I need to replace the gaiters on my steering rack and so the rack will need re-lubricating too as well as some gaiters on the old tin can type drive shafts joints. For anyone familiar with old Land Rovers, there is an endless debate about EP90 types, specifically GL4 vs GL5 EP90 and possible additive damage to bushings. Do I have to be as cautious with the 7 gearbox (5spd Type 9)? Is there a recommended EP90 that I should use?Am I also right in thinking that 5 litres should be enough for the diff, gbox and rack?Cheers Link to comment Share on other sites More sharing options...
SM25T Posted February 20, 2023 Share Posted February 20, 2023 Same spec not suitable for diff and gearbox. GL5 not good for gearbox components Link to comment Share on other sites More sharing options...
7 wonders of the world Posted February 20, 2023 Share Posted February 20, 2023 EP90 GL5 for final driveType 9 runs very well on Redline MTL 75W/80 GL4 Link to comment Share on other sites More sharing options...
JP Posted February 20, 2023 Author Share Posted February 20, 2023 #2 - Oh yes - I'm being a doughnut - my owners manual has EP80 for the gbox#3 - many thanks.EP90 for the steering rack? Link to comment Share on other sites More sharing options...
7 wonders of the world Posted February 20, 2023 Share Posted February 20, 2023 Rack: grease EP LM2 type Castrol have renamed there range (again !!) and a little EP 90Driveshafts if yours are the early tincan type Ford joints these require Moly grease, the later Tripode joints have their own specific GKN lubehttps://www.merlinmotorsport.co.uk/p/gkn-tripode-joint-grease-300-grams-gkn-ms9u025Cant make a link for you as the linky button is having the night off !! Link to comment Share on other sites More sharing options...
Area Representative Golf Juliet Tango Posted February 20, 2023 Area Representative Share Posted February 20, 2023 https://www.merlinmotorsport.co.uk/p/gkn-tripode-joint-grease-300-grams-gkn-ms9u025Works for me, even when abroad, travelling Link to comment Share on other sites More sharing options...
JP Posted February 20, 2023 Author Share Posted February 20, 2023 #5 and #6 - many thanks - I have the old tin can type drive shafts. And I have a tub of each of those greases already! Thanks again. Link to comment Share on other sites More sharing options...
Wrightpayne Posted February 20, 2023 Share Posted February 20, 2023 I'm not sure the can type boot kits are available still - last time I researched I could only find them on autodoc. Or maybe there will be a stretchy type that will fit save having to cut the can off??Keep us posted on how you get on.Ian Link to comment Share on other sites More sharing options...
JP Posted February 20, 2023 Author Share Posted February 20, 2023 Will do. I need to re-lube because I cut off 2 of the large clips by mistake, but did not damage the boots fortunately. So I just need to re-lube and re fit the boot with a new clip. Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted February 21, 2023 Area Representative Share Posted February 21, 2023 EP 90 is available but it is a bit 'old school' though I run my Tracsport diff on Castrol B373 EP90 GL5. But that was a considered personal choice for the installation.Any good 80w90 GL4 is OK for the Type 9 box & 80Ww90 GL5 for the Ford standard open diff.....even Halfords own!Consider purchasing 2 Litres for both the Type 9 & diff as the box is about 1.5 Litres & the diff about 1.1 Litres.Have ran two Sevens on 80w90 for a number of years without any problems. Link to comment Share on other sites More sharing options...
StevehS3 Posted February 21, 2023 Share Posted February 21, 2023 Out of interest, does anyone know who makes Halfords oils? For some reason I thought they were Comma. Any thoughts on the quality compared to branded? Link to comment Share on other sites More sharing options...
Mechanical Moz Posted February 21, 2023 Share Posted February 21, 2023 https://www.ebay.co.uk/itm/393427128685You can buy the genuine Ford diff oil from Ford on eBay or your local dealer. Link to comment Share on other sites More sharing options...
Wrightpayne Posted February 21, 2023 Share Posted February 21, 2023 I use the ford oil in mine (with ATB) Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted February 23, 2023 Area Representative Share Posted February 23, 2023 Halfords own was supplied by COMMA when I carried out research some years ago. As was their 5w50 'Racing Oil' now sadly discontinued.I would imagine that Halfords own oil products are supplied by a reputable manufacturer. Link to comment Share on other sites More sharing options...
JP Posted February 23, 2023 Author Share Posted February 23, 2023 I've just received my order from Opie Oils. Always excellent service in my experience and a club discount!2l of MTL 75/80W GL4 and 2l of Millers EP90 GL5. Now to get to work... Link to comment Share on other sites More sharing options...
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