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John Deere Tractors Discussion Forum
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John Deere 4010 Diesel: Turbo Oil Return to Venti

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4010 Pride

11-23-2006 18:33:20




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Gentlemen, I need a little last minute advice. I was told by a few people that I could drill a 1/2" NPT hole in the face of the ventilator pump on my 4010 to drain off the oil coming from the turbo. I looked at the parts breakdown and there is obviously some sort of a diaphram in there. Is there anything I need to remove from the "inside" of the ventilator pump before I drill a hole into it and begin duming off oil in there? Will the ventilator pump be able to handle the amount of oil flow safely and return it to the oil pan?? I just want to make sure...I am starting this project TOMORROW!! Also, does anyone know the torque specifications for the mounting bolts of the intake AND exhaust manifold?? Is there a pattern they should be torqued to? Thanks very much in advance for any info...happy Thanksgiving to ALL from New York State!!

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low budget

11-23-2006 22:01:54




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-23-2006 18:33:20  
On the M&W kit the oil is returned to the oil pan through a 3/4 inch pipe thread hole in the front of the pan.



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Bob

11-23-2006 22:21:40




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to low budget, 11-23-2006 22:01:54  
I believe that depends upon the age of the M and W kit.



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low budget

11-24-2006 05:23:19




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to Bob, 11-23-2006 22:21:40  
Could very well be. I have 3 of 'em, they all go to the pan. One thing I've heard is 4320 parts will not fit under a 4020 hood.



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4010 Pride

11-24-2006 15:52:11




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to low budget, 11-24-2006 05:23:19  
4320 Parts fit NICELY under a 4010 hood. I did figure that out today. I used a full(intake and exhaust manifold) 4320 kit, 4430 turbo (same as 4320, larger outlet on blower)4430 rubber gasketed connector to the intake. Ran oil return into existing top hole in ventilator pump, got oil pressure from oil galley. She sounds like music to my ears when fired up. Installed M&W pyrometer aswell. Only thing I had trouble with was that I used the M&W connector pipe from a T-33 kit to couple the impeller side of the turbo to the air filter. The hood is stretch out to the exterior about an inch, but I still got the bolts in to get her home. I will try to get some high temp flex line and reroute the pipe a different way. The turbo however WILL clear the hood no problem.

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low budget

11-25-2006 04:45:07




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-24-2006 15:52:11  
Well you can't argue with success. I was repeating something I read in the archives here. I know the 4320 has a larger radiator and fuel tank so the hood is a little larger towards the front, made sense to me.



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Gerald J.

11-23-2006 20:25:09




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-23-2006 18:33:20  
The side console 4020 did away with the ventilation pump, so it probably wasn't critical to keep it.

Gerald J.



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Bob

11-23-2006 18:56:15




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-23-2006 18:33:20  
My 4020 M&W turbo drains it's oil into the ventilator pump.

It was done by a PO, so I'm not sure what they did. I have heard of folks "gutting them" out... removing the shaft and impeller (15), but for some reason, I doubt that was done to mine.

Third Party Image

There is NO diaphragm in there, but you WILL remove the cover before drilling and tapping it, right?

AFAIK, the OEM capscrews are 3/8 NC, grade 5. so a torque in the range of 25 to 32 ft.lbs. would be reasonable, probably 25 on the bolts for the aluminum intake, and 30 to 32 on the exhaust bolts.

Are the exhaust bolts new or free from rust damage, so they don't snap off when tightened?

Start at the center of each manifold, and work frontward and rearward. Start at a low torque, and retorque a couple of times, increasing the torque each time until you get to the final value.

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4010

11-23-2006 18:47:54




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-23-2006 18:33:20  
Just curious, is this for tractorpulling? I just did what you are doing last year. I dumped the oil return line from the turbo in the front vent cover on the left side front where the line used to be for the intake pipe. Good luck, I am very pleased with the results on mine.



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4010 Pride

11-23-2006 18:54:01




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010, 11-23-2006 18:47:54  
Hi, thanks for the reply! This is not for tractor pulling just yet. Maybe in the future. This is just a "hobby project" that I have been wanting to do for a while. I hope it works out, I will post the results in a few days. I am putting a 4320 setup on it. Not changing the fuel delivery, just starting out easy. Looking for an m&w oil pan aswell. Thanks for the info!



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msb

11-23-2006 19:26:02




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to 4010 Pride, 11-23-2006 18:54:01  
The only thing you really need to do is block off the line going to the intake manifold.A ball bearing of the right size will do the trick or you can remove the line and block off the two ends.You can remove the innards of the pump, but the pump used practically no energy to turn it.Some kits included a small round piece of flat copper with a tiny hole in it.That allowed the ventilator pump to continue working ,but kept the turbo from sucking the return oil into intake manifold. I liked removing the line entirely and brazed the fitting on top of the ventilator pump completely shut or I used a pipe plug to do the job.That way there was no chance of the turbo sucking in returning oil from the venturi effect in the manifold.

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4010 Pride

11-24-2006 05:27:04




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 Re: John Deere 4010 Diesel: Turbo Oil Return to V in reply to msb, 11-23-2006 19:26:02  
MSB, thanks for the detailed reply! heading to the hardware store for a helicoil kit. I stripped a screw out in the blower housing...was turning it to align with the coupler for the the intake manifold. Only aluminum, should have know not to over tighten! Ahhh! Thanks again for your help. Thanks boys!



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