[E-Type] Removing Diff filler plug

Hi All- Happy Holidays!

I had a little spare time on my hands tody and figured I’d change
the gear oil in the diff. and replace with that magic elixer, Red
Line gear oil. As usual, the simple things… anyway I am having a
he**uva time trying to get a wrench on the filler plug. Fortunately
I was thinking for a change and did not drain the differential
until I was sure I could get the filler plug out.

The filler for the Series III is on the upper right rear of the
unit and the only wrench I can get on it is a 9/16ths stubby which
doesn’t give me enough leverage to budge it. I can’t seem to get
anything else in there because of the close quarters. Is it
possible to do this without a lift?

Jeff

71 SIII 2+2–
Jeff MacGregor
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Jeff,

Not sure yours is in the same place as a 3.8, but I use a
1/2" square socket – 8 point – with a long
extension and U-joints with a ratchet to reach way in and get
the thing off.

Jerry

Jerry Mouton '64 E Type FHC “Laissez les bons temps rouler!”
Jaguar Owner’s North American Tour - http://jonat.org
April 15, 2004 - July 4, 2004----- Original Message -----
From: “Jeff MacGregor” jmac361@aol.com
To: e-type@jag-lovers.org
Sent: Saturday, December 20, 2003 3:20 PM
Subject: [E-Type] Removing Diff filler plug

Hi All- Happy Holidays!

I had a little spare time on my hands tody and figured I’d change
the gear oil in the diff. and replace with that magic elixer, Red
Line gear oil. As usual, the simple things… anyway I am having a
he**uva time trying to get a wrench on the filler plug. Fortunately
I was thinking for a change and did not drain the differential
until I was sure I could get the filler plug out.

The filler for the Series III is on the upper right rear of the
unit and the only wrench I can get on it is a 9/16ths stubby which
doesn’t give me enough leverage to budge it. I can’t seem to get
anything else in there because of the close quarters. Is it
possible to do this without a lift?

Jeff

71 SIII 2+2


Jeff MacGregor
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In reply to a message from Jerry Mouton sent Sun 21 Dec 2003:

Yes, you have to be double jointed too !! I used a 3/8’’ ratchet
with a u-joint and a short extension on the socket side and a long
one on the wrench side. Best of luck !–
The original message included these comments:

extension and U-joints with a ratchet to reach way in and get


Ralph B - '72 Ser3 V12 2+2 , Middletown, Delaware
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In reply to a message from Jeff MacGregor sent Sun 21 Dec 2003:

I have found that with a crows foot socket on an extention I
can easily remove the plug on my series 2, which is also in
the upper right side of the cover. Rick–
R67cat
Grand Ledge, MI, United States
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In reply to a message from Jerry Mouton sent Sun 21 Dec 2003:

Finally got it off! I could not find an 8 point socket at the local
Auto Zone and NAPA so in desperation I bought this socket called
a ‘‘Gator Grip’’ at Home Depot. The thing has a bunch of spring
loaded rods in the socket that conform to any shape. I was
skeptical but it worked - I got in there with a long 3/8’’ drive
flex head socket and got it off. Whew! As usual, many thanks for
the advice everyone.

Jeff–
Jeff MacGregor
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In reply to a message from Jeff MacGregor sent Sun 21 Dec 2003:

My brother gave me a ‘‘gator grip’’ a couple of years ago as a gift.
Although I usually use normal sockets, the gator grip has come very
handy when removing stripped bolts.

Tom–
The original message included these comments:

Auto Zone and NAPA so in desperation I bought this socket called
a ‘‘Gator Grip’’ at Home Depot. The thing has a bunch of spring
loaded rods in the socket that conform to any shape. I was
skeptical but it worked - I got in there with a long 3/8’’ drive


1968 Jaguar E-Type s. 1.5 - - -1984 Porsche 944.
Snellville, GA, United States
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Jeff MacGregor wrote:

Finally got it off! I could not find an 8 point socket at the local
Auto Zone and NAPA so in desperation I bought this socket called
a ‘‘Gator Grip’’ at Home Depot.

Sears used to carry 8 point sockets but I don’t see them listed any
more. Snap-On carries them but are they pricey!
http://tinyurl.com/3fcjf and that’s not even chrome plated.

Used to be a common item in the catalogs that catered to the farm crowd.
Remember buying “stove bolts” at the hardware store, complete with
square nuts?

George Cohn
'70 OTS

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