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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG TD TF 1500 - Oil filter primer plug wrench size

I'm getting ready to do my first oil change on the TD (TD25009, XPAG/TD2/25404, 11 Feb 1953). It has the Tecalemit filter cannister and I'm planning on using a NAPA FIL 1300 filter based on earlier threads (Lord only knows what I'll find in the cannister when I open it up). In anticipation of needing to prime the filter/pump after the oil change I decided to see if I have a socket that will fit the primer plug. I used open end spanners to see what would fit but it doesn't look like there's room to swing a spanner so a socket seems the way to go. I have English, metric and Whitworth spanners and I expected the 5/8" Whitworth to fit but it is quite loose. 9/16" English is too small but 15mm seems to fit albeit very tight. A six point 15mm socket is too small but a 12 point fits just barely. OK, finally and thanks for your patience - the question:

What size wrench is supposed to fit the plug?

Thanks.

Jud
J K Chapin

Jud - it should be 5/16 Whitworth. See the chart, Wrench Size Comparison in the Other Tech Articles section of my Homepage at: http://homepages.donobi.net/sufuelpumps/ If a 9/16 American is too small and 15mm will barely fit, that leaves the next step being a 5/16W. Cheers - Dave
David DuBois

Thanks Dave. Now I have a reason to pop for the Whitworth socket set. Anybody know of a better deal than the Moss set for $95?

Jud
J K Chapin

I recently bought a set of 9 x 1/2" drive sockets on a rail from Rover Parts Victoria here in Oz for $66 delivered. I guess shipping would eat up any savings though.
Peter
TD 5801
P Hehir

Contact Hugh Pite. jenntoo(at)shaw.ca Bud
Bud Krueger

I fount a set on Amazon for $20 + shipping (total about $35). I hope they are decent but, Hugh, please contact me.

Jud

jchapin3 at aol dot com
J K Chapin

If you do buy the high quality but pricey King Dick 3/8" sockets from Moss, buy them individually and not as a set unless you really like the little rack that comes with them. The set costs nearly $95 and the same 7 sockets purchased individually cost $85.65.
Joe Olson

I've found solid tools at British Tools & Fastners at www.britishfasteners.com
and British Cycle Supply at www.britcycle.com/default.htm
British Tools has King Dick at prices like Moss but also other cheaper Whitworth tools... so far have worked for me. I got some great extra long sockets from British Cycle Supply. Both nice folks to deal with.
Peter Pope

This thread was discussed between 16/11/2013 and 18/11/2013

MG TD TF 1500 index

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