Leak... Tips?
 

So, it looks like I've got a transmission leak. I think I've identified where it's coming from (I've attached a picture of the offending bolt).
My question is it doesn't look like something with a rubber washer. So, how do I stop the leak? Torque it and see if that works? Or is there something I'm not seeing?
http://uploads.tapatalk-cdn.com/2016...e6eb1ab8d2.jpg

Also, I can't see an easy way to top it up. But, the manual speaks of a 'filler plug'. Surely that can't be the bolt with the red dot in the following photo. How is one supposed to get anything in there? Lol

http://uploads.tapatalk-cdn.com/2016...ae642ab9d7.jpg

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Re: Leak... Tips?
 

That leak could be the speedometer cable or the bolts on tail piece. You might get lucky and be able to snug them up to get it to stop. Someone will chime in with the ft-lbs to torque them to. I just did mine good and snug.

That fill plug isn't as hard as it looks. You can get this thing and it'll pump all the oil you need then you can use it on other stuff too. It won't work on gasoline though. Ask me how I know haha.

Re: Leak... Tips?
 

As indicated by FMAP, you are seeing a leak from above somewhere and gravity is carrying it to the bottom of case. The most likely is the speedo connection as said. Follow the wet upwards to the offender. Any kingdof pump with a tube will do if it needs filling. Stick a pinky in hole and if wet, you are OK. Fill to level with hole or a hair below. Old trucks will have leaks. That seems like a small one. Keeps the roads oiled.

Re: Leak... Tips?
 

There's no wet above the bolt that I took a picture of. Also, I gave it a wipe and left it for a day and sure enough, the area around the bolt looks like the culprit. But, what I'm not sure of is how to fix something that looks like a metal on metal connection? Is there some kind of sealant that should be around the bolt?
Also, what is the name of the bolt? I've looked in the manual and there are a few different ones on the transmission (other than the obvious drain plug and filler bolt).
I guess what I'm getting at is what's the proper name for the thing that I think is leaking?

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Re: Leak... Tips?
 

Speedo cable looking dry
http://uploads.tapatalk-cdn.com/2016...e2eee31ea8.jpg

That bolt is still a leakin'
http://uploads.tapatalk-cdn.com/2016...57f72acb3c.jpg

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Re: Leak... Tips?
 

There's a little paper filter about the width of the back of a blister pack that goes in there to keep it from leaking. I'm pretty sure if you give it a quarter twist (and all the other ones that may be loose) it'll seal back up.

If you want to do a full repair look in my thread about rebuilding the transmission. I go through everything step by step. You can skip to the tailshaft portion but it will involve the bearings, which can be fun to get back in there. And you'll want a ring spreader thing like this

http://www.ebay.com/itm/LOCKING-RING...gAAMXQQQZRzoYL


I used two screwdrivers (flathead) the first time I did it and it was TOUGH. With the spreader you're done immediately.

Re: Leak... Tips?
 

Tear out your concrete driveway and leave it gravel. Makes all your old trucks seem like they are not leaking as much.
What weight gear oil are you running?

Re: Leak... Tips?
 

Easiest way I found to top that trans off was to take the stick out and fill it from the top. Pull the filler plug out and have someone watch so you don't over fill. Worked well for me. Like FMAP said, give them all a good snug and see if that helps. I'm not sure what Cover that is under the manual without reading deeply, but it looks like spec is 20-25 foot pounds. Someone chime in if I am wrong.

Re: Leak... Tips?
 

There's no quarter twist to be had. If anything, I think the dude that worked on it last time must've taken the "tighten the crap out of everything approach."

Could that be what's caused the problem? If something is over-tight, I'm guessing it wouldn't take much to crush the filter that you're talking about?

Will the transmission have to come out in order to fix this? Or is it worth loosening to spec and adding some lucas oil in the hopes that the gasket/filter comes good?

Re: Leak... Tips?
 

Love it LOL

Not sure the owners of the place would like that. Particularly since it would mean replacing the garage floor with gravel also. At the moment I've taken to making sure there's a sheet of plastic under it when I park.

That's a good question. Unfortunately, I haven't the faintest idea. I sent the truck to a garage when I first got it.

Let's just say I've since decided that approach has some downsides. LOL

On a serious note though, the manual says that I should be using 'multi purpose gear oil' from memory I think. But I've not been able to find anything about the grade and whatnot that I should be running. Thoughts?

Re: Leak... Tips?
 

Stick? I see no stick?

I can't see any way to get at the filler plug hole from the top?

Re: Leak... Tips?
 

I wish the QLD government saw it your way LOL. It irritates me to no end..... The first car I ever owned was a complete death trap. Questionable brakes, a leaking fuel line, the whole 9 yards (I actually miss that car).

Getting it inspected in North Carolina was a simple as having a mechanic going "Yep, turn signal works and the engine is there."

Over here? If there's ANY leaks it won't pass roadworthy. Realistically, that'll only ever come up if I want to sell it while it's registered (I'm never selling). But, that gives you some indication of how much of a nanny state it is over here.

Obviously there's good parts..... however they do tend to go overboard with the legislation.

Re: Leak... Tips?
 

There's no stick to take out of the top.

The only way to repair that little paper filter is to take the trans out and bite the bullet. You can do it "poor man style" though. It's not heavy or anything weird. You'll need that socket set we talked about before and a car jack would help.
If you're going to pull it though, I'd say go ahead and get a rebuild kit ($100) and breathe new life back into it while you're in there.

On the other hand if this is your only ride I'd say just top it off from time to time and drive it unless you can do without it for a week.

Re: Leak... Tips?
 

Is that a 3 speed or a 4 speed? I can't quite tell from the pics. Anyhow, I was assuming a 4 speed. That's why I said you could take the stick(shifter) out of the top and fill from there, but if it's a 3 speed on the column never mind.

Re: Leak... Tips?
 

3 speed on the column. An excellent theft deterrent system I find lol.

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Re: Leak... Tips?
 

I don't know if you can round one up or even need to for that matter but i built this lube pump from two broken ones. they were for 55 gallon drums but shortening them up for a 5 gallon bucket was easy. I used an old mechanic creeper stool for the cart. Just hang the pipe in the fill hole and slowly pump until lube starts running out.

DAC

Re: Leak... Tips?
 

That is wicked creative. Anything that keeps me from crawling around on the ground is a plus!

Re: Leak... Tips?
 

What would you use to top it up with? The manual just says "multi purpose gear oil." But, I've got another old Chevy manual from the same year that's a bit more specific (SAE 90). However, I'm finding that most of the newer stuff is loaded with detergents etc....

Re: Leak... Tips?
 

Dac that looks like something that should be in my garage! :goodjob:


JM, regular 90 weight gear oil from WalMart is fine, but I like #58304 Red Line 75W90 NS GL-5 Gear Oil because it's what Jay Leno puts in all his old transmissions to help them shift better and last longer.

Gear oil is sometimes like motor oil and football teams. Everyone has a favorite and there's not a ton of difference one way or the other.

Re: Leak... Tips?
 

I would stick with 90 weight gear oil. A lot of high detergent multi weight oils can make leaks worse.

Re: Leak... Tips?
 

My options are pretty limited over here. However, I've tracked down a couple of litres of a straight 90 mineral oil.

http://www.nulon.com.au/products/gea...fferential_oil

It looks like Penrite has a classics range that I might be able to get ordered in without toooo much hassle (I really wish Australia had some decent auto-parts stores). But, in the meantime if I'm just looking for a top-up solution, I would think this is ok?

Re: Leak... Tips?
 

That should be fine. You're just topping it off so you don't want anything too expensive. Google tells me a lot of wrecking yards around you sell auto parts too. You might see if one of them has some cheaper stuff. I really wish you guys had a "general store" type place like WalMart. It would make life easier.

Oh wait, you guys have Kmart. They might have gear oil on the cheap! Also, it looks like Woolworths carries engine oil. They might have some too.

And Autobarn is here, though I don't know how close that is to you

https://www.autobarn.com.au/stores/?...tore_search&q=

Re: Leak... Tips?
 

They have Kmart. But, it's like a knockoff version lol. Their stock is limited to mobile phone holders sunshades.

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Re: Leak... Tips?
 

Is there a lot of agriculture going on in your area? If so there must be stores that deal supplies to farmers and ranchers. Usually they should carry a wide range of lubricants and tools that will adapt great to working on our old trucks.

We have "Tractor Supply Co." here and there are several others also. I do not know if they are international companies.

DAC

Re: Leak... Tips?
 

Nothing local as far as tractor supply goes.... I'm in what passes for a city over here. But, I reckon I'd be able to find somewhere a couple of hours away. That's a fair bit closer than the other side of the Pacific lol thanks for the tip!

The good news is I don't think the leak is too bad yet. Round about 100 ml was all it took to top it up.

I can't say the way I did it was nearly as cool as the drum oil pump suggested earlier though. I ended up siphoning from above with some silicon tubing.