Rab (bombero) Reid Posted June 15, 2014 Posted June 15, 2014 Does any kind soul know what code on here is the part number as I need to order some: Quote
ralphy Posted June 15, 2014 Posted June 15, 2014 The Ford part number is 1121457 from the bottle. R 1 Quote
Rab (bombero) Reid Posted June 15, 2014 Author Posted June 15, 2014 As I'm needing this by Thursday, and in case my local Ford dealer can't get it in time, does anyone have suggestions for alternatives? Quote
Scottish Bloke Posted June 15, 2014 Posted June 15, 2014 Halfords stock it. 75/90 GL5 I believe. Main Dealer should also keep it in stock. Rich Quote
Rab (bombero) Reid Posted June 15, 2014 Author Posted June 15, 2014 Halfords stock it. 75/90 GL5 I believe. Main Dealer should also keep it in stock. Rich Thanks Rich, however isn't the Ford own oil a straight SAE 90 and not a multigrade? Does it make a difference? Quote
Terry Everall Posted June 16, 2014 Posted June 16, 2014 Andrew Page or any motor parts place should stock it Quote
Rab (bombero) Reid Posted June 16, 2014 Author Posted June 16, 2014 Thanks, Terry! I think it's always nice to share information and our Club is arguably one of the best out there for this! If anyone is like me and is a little impatient and also likes to source as much locally as possible, the following may help.. The diff oil from Ford is available but can be a b******* to get hold off (currently on back shipment, which could be a week .. long time for a service item!), so I've sourced an alternative with some help from another Club member works for Ford. The oil is Valvoline 80w90 GL5 although I appreciate there are others out there. @Rich, the one you quoted is just as good - I just went for the 80w90 due to the closer viscosity to a mono 90. As stated elsewhere, the most important element is the GL5 indicating that it is the extreme pressure type. I hope this helps others! Maybe we should open a sticky with Alternative Part Nos & Products, so others can reference when searching for .. well, alternatives! Quote
Scottish Bloke Posted June 16, 2014 Posted June 16, 2014 Glad your sorted. My diff has run Halfords oil previously without issue, strange really as I work for Ford! 1 Quote
Rab (bombero) Reid Posted June 16, 2014 Author Posted June 16, 2014 Strange .. I was double checking that I had my facts right after my earlier post, and I noticed that Valvoline do two different 80w90 GL5 oils; one for LSD, one for non-LSD. Now I ask, does this actually matter in reference to my Sierra 3.62 LSD? AFAIK, the LSD in the Sierra diff is a sealed unit and therefore unaffected by a non-LSD type oil... Quote
Rab (bombero) Reid Posted June 17, 2014 Author Posted June 17, 2014 AFAIK, the LSD in the Sierra diff is a sealed unit and therefore unaffected by a non-LSD type oil... Bump, can anyone confirm if my thinking is correct .. wouldn't like to think that I should be using an LSD specific oil when I've got a 500+ mile road trip this weekend! Quote
Terry Everall Posted June 17, 2014 Posted June 17, 2014 AFAIK ordinary Hypoid EP 90 or similar is fine The LSD viscous unit has its own oil in a sealed unit So you will be ok with why you bought If you do a search for LSD OIL ( see top of page at right hand side there is more info) Quote
Rab (bombero) Reid Posted June 17, 2014 Author Posted June 17, 2014 Perfect, thanks again, Terry. I did a search 'Diff oil' and got bombarded with some lengthy comments and variations on interpretation, but your search suggestion came up trumps! Quote
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