22r oil pump
10-22-2008, 03:45 PM
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22r oil pump
i took my motor to get the machine work done today. and i was looking at the manual when i got home. i'm wondering how to prime the oil pump when i put it back together. thanks
10-22-2008, 04:15 PM
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cover the gears with vaseline or moly grease
leave the spark plugs out for the first 20 seconds of cranking.
you're going to change the oil and filter after the first 15 minutes of running so no harm.
leave the spark plugs out for the first 20 seconds of cranking.
you're going to change the oil and filter after the first 15 minutes of running so no harm.
Last edited by abecedarian; 10-22-2008 at 04:16 PM.
10-22-2008, 05:13 PM
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most grease is soluable in oil.
once the oil comes through, the oil will wash the grease out.
technical specs of the grease? okay...
vaseline. molybdenum wheel bearing grease.
once the oil comes through, the oil will wash the grease out.
technical specs of the grease? okay...
vaseline. molybdenum wheel bearing grease.
10-22-2008, 05:14 PM
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that's why I recommended to leave the spark plugs out for the first 20 seconds of cranking... so the oil could flush the grease out... (and I don't think vaseline can rationally be described as grease)
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10-23-2008, 07:53 AM
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Guys,
Excuse me, I'm new to the forum and to Toyotas. I recently came from the Audi world, which are a totally different game.
Isn't there a fuel pump fuse? Whenever I did engine work or turbo swaps on Audis, I'd just pull the fuel pump fuse and crank the engine for 20 seconds. No need to pull all the spark plugs...
Please correct me if I'm wrong, I'm anxious to learn the nuances of these Toyotas!
Excuse me, I'm new to the forum and to Toyotas. I recently came from the Audi world, which are a totally different game.
Isn't there a fuel pump fuse? Whenever I did engine work or turbo swaps on Audis, I'd just pull the fuel pump fuse and crank the engine for 20 seconds. No need to pull all the spark plugs...
Please correct me if I'm wrong, I'm anxious to learn the nuances of these Toyotas!
10-23-2008, 08:11 AM
#12
Jerbel - All cars are different man. I would just listen to the gurus here and how they do their cars. I'm a former Audi nut too and you know as well as I do how quirky those germans are.
You grease the gears so there is some lube there before just dry cranking the motor. No sense in have the plugs there if you don't want it to fire, and if you don't have spark there anyway, you don't want risk gunking up your new plugs if some grease makes it way around that way. Also keeping the plugs out won't create compression allowing to the oil flow up more freely, maybe? I am in no way a guru, but that was the sense I made of this method. Cheers!
You grease the gears so there is some lube there before just dry cranking the motor. No sense in have the plugs there if you don't want it to fire, and if you don't have spark there anyway, you don't want risk gunking up your new plugs if some grease makes it way around that way. Also keeping the plugs out won't create compression allowing to the oil flow up more freely, maybe? I am in no way a guru, but that was the sense I made of this method. Cheers!
Last edited by stagger_lee; 10-23-2008 at 08:13 AM.
10-23-2008, 10:24 AM
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Stagger,
Thanks for your reply, all cars are definitely different with very different systems. That's why I asked.
I'm just saying that if the plugs are already in the cylinder head, it's just extra work to remove them, and if you WANT to, then by all means, there's nothing wrong with that.
Grease can't make it into the cylinder to gunk up the plugs. The piston rings seal the oil on the outside of the piston (between the piston and cylinder walls). Oil should get splashed up to the piston regardless of the compression.
I don't think those are the reasons why they pull the plugs, but I would like to know why they do it.
Thanks for your reply, all cars are definitely different with very different systems. That's why I asked.
I'm just saying that if the plugs are already in the cylinder head, it's just extra work to remove them, and if you WANT to, then by all means, there's nothing wrong with that.
Grease can't make it into the cylinder to gunk up the plugs. The piston rings seal the oil on the outside of the piston (between the piston and cylinder walls). Oil should get splashed up to the piston regardless of the compression.
I don't think those are the reasons why they pull the plugs, but I would like to know why they do it.
10-23-2008, 02:08 PM
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the point to pulling the spark plugs is to relieve compression while the engine is turning so that the engine turns faster than normal during cranking, thus getting the system primed and oil up through the bearings, etc as quickly as possible...
... and as a side benefit, zero chance of the engine starting.
... and as a side benefit, zero chance of the engine starting.
10-23-2008, 03:03 PM
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Basically when I rebuilt my engine I could NOT turn over my engine by hand. It was so hard. I had to use a breaker bar with a cheater bar and it was hard as h3ll. I primed mine by turning it over by hand with oil for a long time...probably about 30 minutes and it hurt my back. lol
10-24-2008, 01:19 AM
#16
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In a fresh motor the break in lube lubricates the top and bottom end and in a motor that was running before the work there's already oil in those places so I've never been worried about lubrication in those first fractions of a second. Just pack the gears with Vaseline and be done with it. Vaseline becomes soluble at a lower temp than grease does so there's less chance of a passage becoming blocked for any length of time and it's harmless to the engine.
You're going to do a quick oil change anytime you crack open the engine anyway right?
It's always a good idea because of all the trash that falls in accidentally.
You're going to do a quick oil change anytime you crack open the engine anyway right?
It's always a good idea because of all the trash that falls in accidentally.
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