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XJ XJ6 / XJR6 ( X300 ) 1995-1997

rear end, differential or gear oil

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Old 09-06-2011, 11:39 AM
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Default rear end, differential or gear oil

Hi its time to change oil in the rear oil, but I cant find info what kind oil its should be. it should be shell spirax super TS 90, but what is it, 75w90 or 85w140?
Thanks for any info
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Old 09-07-2011, 05:35 AM
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OK, you are up there and the specs we get down here sometimes do not transfer to your market, BUT, here goes.

Castrol Australia lists:

EPX 80W90, for NON LSD units.

LSX90 for LSD units.

Now being that the USA NEVER got thw mighty 3.2ltr engine, and my info indicates that the 4ltr cars ALL got LSD, I would go with the LSD oil.

Also down here, MOST gear oils are now LSD compatible, coz LSD oil will NOT harm a non LSD diff, but non-LSD oil, can reek havoc with a LSD diff. Good old Aussie common sense haha.
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Old 09-07-2011, 08:16 AM
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I use 80/90 weight...whatever name brand is on sale that day. Shell, Valvoline, whatever.

I think it's the first time ever but I have to disagree with Grant. The only X300s with limited slip as standard issue were the XJRs. Those aside I think few USA cars ever had it.

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Old 09-07-2011, 08:40 AM
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so 80w90 will be ok? and I can put lsd additive
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Old 09-07-2011, 10:01 AM
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Thanks Doug. I was just not sure on LSD in the later cars.

Our '88 XJ40 3.6ltr had LSD, so I thought the big engine X300's would follow, obviously something else such as "traction control", took its place.

The 3.2ltr no got traction control, not enough Mumbo to need it.
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Old 09-08-2011, 10:09 PM
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Never change gear oil on jaguar, it have drain plug on differential?
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Old 09-09-2011, 02:08 AM
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Yes, drain plug on the bottom. The filler plug is on the rear cover, right of center, about 1/3 up from the bottom.

Don't drain the oil unless you're sure you can remove the filler plug :-)

Cheers
DD
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Old 09-09-2011, 02:03 PM
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Hey Doug, Im gonna fill mine in the next cpple weeks. That filler plug, any idea what kinda bit or wrench to use? Its just a giant square?
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Old 09-09-2011, 02:06 PM
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Mine's a 1/2" square recessed type. Your's probably is, too

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DD
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Old 09-09-2011, 05:51 PM
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Thanks!!
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Old 09-09-2011, 07:57 PM
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Thanks Doug
Here is how I change gear oil http://www.jaguarforums.com/forum/xj...-change-60513/
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Old 09-10-2011, 08:14 AM
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Quote:
Originally Posted by pan84 View Post
Hi its time to change oil in the rear oil, but I cant find info what kind oil its should be. it should be shell spirax super TS 90, but what is it, 75w90 or 85w140?
Thanks for any info
This is out of the Vehicle Care Manual (though it's not specifically stated for my 1996 year model - it's probably applicable to all x300 year models), Page 33:

Rear axle:
Refill - Spec: API GL5; SAE Visc: EP 90; Comments: Use only Shell Spirax Super 90

Top up only - Spec: API GL5; SAE Visc: EP 90; Comments: Alternative brands may be used when Shell Spirax is not available.
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96, change, diff, differential, fluid, gear, jaguar, longview, lsd, lube, oil, rear, wa, x300, xj, xj6


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