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At 100K miles I'm going to change the gear oil in the differentials on my truck. And of course, that hole is not easy to get to. In the past, I had to buy the oil by the quart and use one bottle with the spout to squeeze oil in. You couldn't squeeze but about half of it, then you had to refill it. What a pain, but I that was 30 years ago! Anyone have a better/easier way? I hope?
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5 bucks gets you a pump mechanism --- attach to gallon jug of dope and put hose in fill area, done deal... -
The pump boomer mentions is the best solution. If you have an oil-suction gun, that works too but you have to clean it before & after!.Southwest UtahComment
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when I was really young and cheap. I used a length of old hose long enough to hang the bottle from the bumper, upside down.25 miles north of Buffalo NY, USAComment
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Can you give me an idea of a pump you talk about? I looked on Autozone website, they have inexpensive "transfer pumps" but all they say is for "fluids". 90 weight gear oil isn't a typical fluid to pump I wouldn't think.Originally posted by A.K. Boomer View PostComment
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Just a short piece of hose (6-8") shoved tightly onto the nozzle allows you to swing the bottle vertically, which permits the bottle to empty. A piece of radiator overflow hose works really well - it is a good diameter, doesn't kink easily, and is more flexible than fuel line.Location: North Central TexasComment
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If you look in the oil and grease section in the store, they have pumps specifically for the screw-top oil bottles. Including the gear oil bottles.Originally posted by rws View Post25 miles north of Buffalo NY, USAComment
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wot 'e said ^.
I bought a couple of these off Amazon
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
have one for the CVT and one for the diffs on my Subaru. Pumping 6qts into the CVT gets old under the car, but it's not like I have to do it every week
quick tip I read about once. If you're refilling your diff, make sure you can unscrew the fill plug first. If you empty it before that and the fill plug is seized, you're kinda screwed. Also get any specific gaskets or gasket maker first.Comment
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Lots of really good advice already about pump dispensers and funnels with hoses, you can even buy the funnels with the hose permanently attached.
One other tip that is worth mentioning is to pre-warm the oil before you pump it or pour it down a funnel with a hose.
Not sure of the ambient temp at your location but it really speeds the flow up if your oil and dispensing equipment is nice and toasty.
Straight 90 weight gear oil can be the consistency of an SAE 60 weight motor oil, the more common 80/90 or synthetic 75/90 gear oil is much more fluid at low temps.
But warm temps are still your friend.
Home, down in the valley behind the Red Angus
Bad Decisions Make Good Stories​
Location: British ColumbiaComment
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That works good and is the cheapest but you do have to be careful the hose doesn't slip off the tapered nozzle!Originally posted by nickel-city-fab View PostLocation: Saskatoon, Saskatchewan, CanadaComment
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You can use a pump that fits the bottle.
But this is what I do at work. Get a cheap garden sprayer at Tractor Supply, cut the nozzle off so you just have a open tube, put whatever hose or other doo-dad you need on the end to get to the differential fill hole. Dump your lube in it, pressurize the thing and open the spray valve. I use a big O ring that fits over the handle and valve lever to hold it open. Gear oil moves slow, but it works well. I use it for filling transfer cases also.
Filled a Dana 80 with it last week.Comment
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There was ZERO chance I was going to get the fill plug out of my Chevy truck (2004 vintage) differential. Rear cover was rusty so I bought another figuring I would add a fill plug bung to the cover before installation. When I got the cover it already had a fill plug in it. Guess I wasn't the first to have the problem...Comment
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Just nuke it in the Wife's microwave and it will be real thin. Do it when She is not home, She'll never know, oh and forget where You read this.
mark costello-Low speed steelComment
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Believe it or not, the older original jeeps used to have a rubber plug you could pop out with your thumbnail, kinda like a grommet.Originally posted by strokersix View Post25 miles north of Buffalo NY, USAComment
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Dont forget some trucks and truck bodied vehicles have access ports for such things. JRComment
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