Front Diff Drain Plugs?

Submitted: Wednesday, Apr 29, 2009 at 21:44

ThreadID: 68373 Views:2115 Replies:9 FollowUps:8

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Inkbandit79

Tried to change the oils in my diffs this arvo after playing on the weekend and for the life of me I couldn't crack the drain plug on my front diff. its an allan key bolt and i tried every thing from a breaker bar to a ring spanner on the allan key, I even sprayed it with INOX had a beer and tried again i thought of adding heat to it with a small blow torch but thought i might do some internal damage. any tips Guys?

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Reply By: pop2jocem - Wednesday, Apr 29, 2009 at 21:49

Wednesday, Apr 29, 2009 at 21:49

If it's the type that has a flat copper or aluminium sealing washer try putting the end of a largish flat ended punch against the head of the plug and give it a sharp tap with a hammer. USE A LARGE DOSE OF DISCRETION NOT TESTERONE

Cheers Pop

AnswerID: 362347

Follow Up By: pop2jocem - Wednesday, Apr 29, 2009 at 21:50

Wednesday, Apr 29, 2009 at 21:50

testerone??? you know the stuff that 17 year old males have an oversupply of lol

FollowupID: 630088

Follow Up By: Willem - Thursday, Apr 30, 2009 at 08:01

Thursday, Apr 30, 2009 at 08:01

Tetosterone

FollowupID: 630109

Follow Up By: Member - Phil G (SA) - Thursday, Apr 30, 2009 at 08:29

Thursday, Apr 30, 2009 at 08:29

Testosterone.......you old guys can't get it right :-)))

FollowupID: 630112

Follow Up By: Willem - Thursday, Apr 30, 2009 at 21:51

Thursday, Apr 30, 2009 at 21:51

Typo....bugga

FollowupID: 630218

Follow Up By: Gone Bush (WA) - Friday, May 01, 2009 at 09:55

Friday, May 01, 2009 at 09:55

bugger

I'm glad I ain't too scared to be lazy
- Augustus McCrae (Lonesome Dove)

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FollowupID: 630277

Reply By: Serendipity of Mandurah (WA) - Wednesday, Apr 29, 2009 at 22:11

Wednesday, Apr 29, 2009 at 22:11

Use an impact driver - they have interchangeable heads.

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AnswerID: 362353

Reply By: Krakka - Thursday, Apr 30, 2009 at 06:14

Thursday, Apr 30, 2009 at 06:14

There is a pressure pak spray that freezes bolts as well, about -60 deg I think, have used this with good results also. Made by Loctite from memory.

Cheers

Krakka

AnswerID: 362383

Reply By: toyocrusa - Thursday, Apr 30, 2009 at 06:39

Thursday, Apr 30, 2009 at 06:39

Hi.It is much easier to do this type of work on a hoist. The plug has a tapered thread and some have locktite on the thread as well. I have found that if you can get a good swing at it from underneath then a few good hits with a copper hammer is usually enough to break the grip of the thread. Sometimes you have to do it twice.Regards,Bob.

AnswerID: 362386

Reply By: ants_oz - Thursday, Apr 30, 2009 at 07:25

Thursday, Apr 30, 2009 at 07:25

Another option is to just use a suction pump and suck all the old fluid out of the diff then refill.

Since a LOT of front diffs don't even have a drain plug, this is a common method.

Cheers,

Anthony

AnswerID: 362391

Reply By: Member - Nick (TAS) - Thursday, Apr 30, 2009 at 08:02

Thursday, Apr 30, 2009 at 08:02

Go the blow torch.The oil in there will absorb the heat so nothing else will get damaged.You are changing the oil anyway.It will come out easy as after this.

AnswerID: 362395

Reply By: Axel [ the real one ] - Thursday, Apr 30, 2009 at 09:08

Thursday, Apr 30, 2009 at 09:08

Allways , ALLWAYS .,, crack the filler plug before attempting to crack the drain plug ,, no freeking point getting the oil out if you cant put fresh oil in ,,,,,,,,

AnswerID: 362403

Follow Up By: austastar - Thursday, Apr 30, 2009 at 10:11

Thursday, Apr 30, 2009 at 10:11

Brilliant Axel, that one just about tops my list of good ideas.
cheers

FollowupID: 630118

Follow Up By: donks1 - Thursday, Apr 30, 2009 at 13:23

Thursday, Apr 30, 2009 at 13:23

Spot on Axel

Donks1

FollowupID: 630141

Reply By: Inkbandit79 - Thursday, Apr 30, 2009 at 20:51

Thursday, Apr 30, 2009 at 20:51

Thanks Guys, I ended up picking up an impact socket to put on the breaker bar and swore at it untill it came loose seemed to do the trick, dont know what the neighbors thought but i got new oil in my diffs, Thanks again Guys

AnswerID: 362500