paul_mcq
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| posted on 2/1/05 at 03:27 PM |
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axle oil?????
happy new year lads. i have an engish axle and need to no wat oil and how much to but into it.???? cheers for looking
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britishtrident
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| posted on 2/1/05 at 03:33 PM |
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EP80 Hypoid gear oil --- or EP75 or EP90 or any multigrade that covers the range.
EP = indicates extreme pressure * very important* you get an "EP" grade for any Hypoid final drive.
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phil m
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| posted on 2/1/05 at 04:02 PM |
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manual says capacity is 1.1 litres (2 pints )
Phil 
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Mark Allanson
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| posted on 2/1/05 at 04:05 PM |
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quote:
Originally posted by britishtrident
EP80 Hypoid gear oil --- or EP75 or EP90 or any multigrade that covers the range.
EP = indicates extreme pressure * very important* you get an "EP" grade for any Hypoid final drive.
Are you SURE, I rang Ford to get the oil spec for my salisbury rear axle and type 9 box, they recommended SAE 80-90 and DEFINATELY not EP gear oil
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Peteff
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| posted on 2/1/05 at 05:35 PM |
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Hypoid ep 90 according to spec sheet for mk1 and 2 escort. 80 for gearbox.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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britishtrident
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| posted on 2/1/05 at 05:45 PM |
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You were given the wrong info it is SAE80 but EP80
Hypoid axles are used on all cars with normal RWD since about 1960 for the Ford EP80 or EP90 is the correct grade EP gear oils were developed
specifically for hypoid axles -- hence they are also sold under the name hypoid gear oils.
Hypoid axles have very specific lubrication requirements because the teeth slide on each other under extreme pressure. Using a straight gear oil will
ruin a hypoid final drive quickly indeed.
Straight gear oils such as the MT series don't contain anything like the same ammount of EP additive because while EP additive protects the
meshing area of the gears it also attacks bronze bearings and baukrings. This why in the 1960 and 70s many models used 20w/50 engine oil in the
gearbox.
The way to idenify an EP oil is by the smell --- not nice
[Edited on 2/1/05 by britishtrident]
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David Jenkins
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| posted on 2/1/05 at 06:17 PM |
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I have a haynes book of lies for the Mk 2 escort here in front of my keyboard.
It says that the rear axle requires "Hypoid gear oil, viscosity SAE 90EP" and recommends "Duckhams Hypoid 90S"
David
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skinny
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| posted on 4/1/05 at 02:34 PM |
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general rule of thumb is that you can use EP in gearboxes (and diffs requiring up to GL4 spec) and EPX in diffs (which tend to require GL5).
if you don't fail, you aren't trying hard enough.
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britishtrident
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| posted on 4/1/05 at 04:19 PM |
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se below
[Edited on 5/1/05 by britishtrident]
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britishtrident
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| posted on 4/1/05 at 04:21 PM |
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quote:
Originally posted by britishtrident
quote:
Originally posted by skinny
general rule of thumb is that you can use EP in gearboxes (and diffs requiring up to GL4 spec) and EPX in diffs (which tend to require GL5).
You have to be VERY careful about gearbox oils MOST 1960 & 70s gearbox designs used straight oil either engine oil, non EP gear oil and
autotrans fluid because they had phosphur bronze baulk rings and bushes.
Rootes/Chrysler RWD used engine oil except in the Imp which used Ep70 and the recommendation for BMC/Austin-Rover RWD boxes varied between
straight gear oil, engine oil, autotrans fluid.
I can't remember what Vauxhall used but Mercedes used autotrans fluid in he manual box.
Likewise adding molyslip or ptfe additives to gearbox oil isn't a good idea because the reduction in rubbing friction tends to render the
synchromesh inneffective.
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