Toyotay 80 series

Submitted: Monday, May 23, 2005 at 16:34
ThreadID: 23238 Views:1590 Replies:7 FollowUps:9
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Hi, I have just been servicing my L'cruiser. I have changed all the oil except for the diffs. The diffs are fitted with 24mm plugs that are not possible to move with a normal ring spanner or socket. The depth of the head is only about 3-4mm thinck and the normal spanner and socket just slips off. I have done the transfer case but to get oil into it I had to disconect the speedo drive and slowly pump the new oil through there. No I am not one of those idiots who take the drain plug out first.
Why do vehicle manufacturers fit vehicles with such impracticable plugs? Why cant they fit full thicknes plugs that can be undone with normal tools
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Reply By: Member - Glenn D (NSW) - Monday, May 23, 2005 at 16:56

Monday, May 23, 2005 at 16:56
Sorry I can't help Ray, I must be one of those idiots that drains the oil before changing it ??

Glenn
AnswerID: 112444

Follow Up By: cloughie - Monday, May 23, 2005 at 19:24

Monday, May 23, 2005 at 19:24
I think he means that you should always ensure that you can get the filler plug out before you drain. Doing it that way ensures that if for one reason or another the filler plug wont come out you are not left with an empty unfillable space that renders the vehicle inoperable after already having drained the fluid.
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FollowupID: 368726

Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, May 24, 2005 at 20:22

Tuesday, May 24, 2005 at 20:22
When i got my 80 I made sure I could get the filler plugs off firs which was lucky as the rear filler could not be removed for love or money even with a 15 16ths I ended up conceding and driving it to the Mechanics
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FollowupID: 368839

Reply By: Max - Sydney - Monday, May 23, 2005 at 17:09

Monday, May 23, 2005 at 17:09
Ray

I came to the conclusion that it is NOT 24mm. I use a 15/16" sae ring spanner, hold one end square on the plug, and gently caress the other end with an engineer's hammer. A couple of blows usually loosens it.

Cheers
Max
AnswerID: 112447

Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, May 24, 2005 at 20:20

Tuesday, May 24, 2005 at 20:20
spot on while it probably is 24mm 15 16 is half a bees whatsit smaller and is a better fit on those wredgid skinny filler plugs
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FollowupID: 368838

Reply By: banjodog - Monday, May 23, 2005 at 19:09

Monday, May 23, 2005 at 19:09
Here's another two (2) things you can try if you still need to remove it.

Use an impact socket - the six (6) sided ones in the 24mm size - may have to borrow it as they are expensive to buy for a one of use.

If that doesn't work, grab a standard 1/2" drive socket the next size down, say a 23mm or a 29/32" sae and knock it on over the filler plug. May take some hitting with a hammer but the socket will go on and the filler plug can be removed - then toss it.

Remember to buy the new filler plug before you begin - unless you have another car to go out and buy one after the old one is removed.

If you can buy the 19mm filler plug even better to replace it with - plenty of meat on the hexagonal for a socket to grip.

AnswerID: 112469

Reply By: 4mud - Monday, May 23, 2005 at 20:08

Monday, May 23, 2005 at 20:08
I've actually managed to find thicker aftermarket plugs and have changed allmine,they do exist.Try heating it up a bit before you remove it.If in real trouble then hammer and chisel
cheers
phil
AnswerID: 112477

Reply By: 80scruiser - Monday, May 23, 2005 at 21:30

Monday, May 23, 2005 at 21:30
Replacement toyota ones are thicker in the heads.
AnswerID: 112502

Reply By: Member Eric - Tuesday, May 24, 2005 at 08:10

Tuesday, May 24, 2005 at 08:10
ok , the secret to remoming diff plugs

Smack it with a hammer before even attempting to put a ring spanner on it .

This will loosen the thread and come off very easy

Im not kidding , just do it
AnswerID: 112542

Follow Up By: sang - Tuesday, May 24, 2005 at 09:20

Tuesday, May 24, 2005 at 09:20
Hi Eric,
Does this work with the Transmission filler plug as well ? This is a troopy with manual box, semms nothing will shift the plug.
Regards
Sanga
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FollowupID: 368772

Follow Up By: Coops (WA) - Tuesday, May 24, 2005 at 11:57

Tuesday, May 24, 2005 at 11:57
an old rig offsiders trick before undoing tubing and casing.
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FollowupID: 368789

Reply By: Rod W - Tuesday, May 24, 2005 at 13:23

Tuesday, May 24, 2005 at 13:23
For filling em back-up get a 5lt pressurised garden spray bottle with a control on the handle. Works a treat and their cheep.
AnswerID: 112590

Follow Up By: Member - Jeff M (WA) - Tuesday, May 24, 2005 at 14:36

Tuesday, May 24, 2005 at 14:36
Does that really work?? I use one of those oil plunger thingys and it's a royal pain in the ass. I would have thought the oil was too thick to work in the garden sprayer??
Obvously it must work as it sounds like you've already done it Rod.!!??
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FollowupID: 368806

Follow Up By: Rod W - Tuesday, May 24, 2005 at 16:46

Tuesday, May 24, 2005 at 16:46
Jeff, would I do anything that means work? But ya gotta take the spray nozzle off the end of the alum. pipe.
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FollowupID: 368811

Follow Up By: Member - Phil G (SA) - Tuesday, May 24, 2005 at 19:23

Tuesday, May 24, 2005 at 19:23
Rod,

Sounds brilliant. I'll get one and use it,

Thanks
Phil
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FollowupID: 368833

Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, May 24, 2005 at 20:25

Tuesday, May 24, 2005 at 20:25
yes and about 10 bucks or less from WA salvadge.
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FollowupID: 368842

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