John deere 4020 problems

The hydraulic system of your John Deere 4020 is essential for operating various attachments and implements. If your tractor’s hydraulic system is not working properly, it can affect the tractor’s performance and make it difficult to operate. Most problems on machines like the John Deere 4020 arise from … See more

I have a '67 4020. It has the two metal fuel filters. loosen the bleed screw on the bottom one, pump the lever on the back side of the fuel pump until fuel starts to run out, close it and open the one on the top filter.John Deere has been a household name in the agriculture industry for over 180 years. With their commitment to innovation and sustainability, they have become a leader in the manufa...Welcome to my TF. JD 4020 utilizes front hyd pump which should have stand-by pressure of 2250 psi. Frt wheels turning right on engine startup sounds as if piston seals in frt steering motor have failed. These piston seals can be replaced by removing frt axle, one side frame, remove plug (item 4)& lowering steering spindle (item 15) & pulling ...14 Feb 2016 ... 1964 John Deere Model 4020 22T Serial 89000 hydraulic control adjustments. Adjustments to dash mounted hydraulic control lever rods and ...Oct 28, 2023 · Designing the New Generation John Deere Tractors by Merle Miller: 2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere: Tractors 1918-1976 published by John Deere * John Deere Tractors for 68 published in 1968: Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere: Modern Farming published in 1965, by ... Slow cranking and short solenoid life is a symptom of a 4020 that needs an auxiliary cranking relay installed. The stock cranking wiring is too light for the load and allows the solenoid to trip in /out of contact like a machine gun, leading to slow cranking and short solenoid life.4020 starter problem - 24volt. ... My older 4020 with hydraulic levers on the dash is having starter problems. It's still a 24 volt system. ... A forum community dedicated to John Deere tractor owners …There are a number of places to find genuine John Deere parts and aftermarket John Deere parts, depending on your budget and specific needs. The John Deere website, official John D...

The early 4520's had air cleaner problems and serious injector problems but that was staightened out early. The 4520 was the first J.D. with a turbo charger. J.D. built the 4020 and needed a bigger tractor so they built the 4520 in 1969 and 1970 they turbocharged the 404 and made other improvements to handle the extra horsepower.Jan 1, 2014 · Posted 1/1/2014 11:20 (#3563381 - in reply to #3563051) Subject: RE: JD 4020 steering problem. West Central Iowa. Provided the tractors does not have any external oil leakage (lines, fittings, ???.) you have either an internal leak in the steering motor piston o-rings up front or a problem in the steering valve under the dash or possibly both. Short Solutions. Engine Issues. If the filter becomes clogged, replace it or clean it. Damaged or blocked fuel injection nozzles should be inspected and replaced. Problems with Transmission. When the fluid level in the transmission housing is low, add fluid.When transmission oil leaks, clean or replace the return tube. Hydraulic System Issues.Jul 11, 2021 · Weird shifting problem - JD 4020. We have a 1969 John Deere 4020. A while back I began having shifting problems: If I put it in 5R, I need to fully let out the clutch for at least a 2 full seconds, or I will only be able to shift it into 5, 4, and 7. If I don't fully let it out, I'll have to turn the tractor off, turn it back on, place it in ... Oct 12, 2023 · Member. Oct 12, 2023. #4. I had a couple broke off of my 4020 and I used JB weld on them. Make sure the surfaces are clean and I roughed them up with some really coarse sandpaper so that the JB weld had something to bite. I have had them on for 6 months and so far so good. C. #1 · Dec 8, 2020. My '64 4020, has issues with not turning over fast enough to start. Reasonably new starter, new batteries 550 cca, new cable clamps. Had a mech. look at …

Location. Coyote Flats, Texas. Mar 12, 2013. #1. O-rings blown in steering motor. These can be R&R'd by removing one side frame rail. Caution block tractor up carefully and spindle must be timed to piston. R34748 SEAL,OIL ADD 30.28 USD 30.28 USD. 2-R26290 RING,BACK-UP ADD 5.04 USD 10.08 USD.If you’re in the market for a new John Deere tractor or are looking to sell one that you have on your farm, you’ll want the most relevant pricing information that you can find. Rea...I am currently experiencing problems starting my john deere 4020 (1969 12v). When starting, the starter motor sprocket does not grab the starter ring properly causing the engine to not go around and start. The starter ring was replaced six months ago by the previous owner. The starter motor gear has also been replacedMar 8, 2024 · Rockford, Michigan 49341. Phone: (616) 545-7021. visit our website. View Details. Email Seller Video Chat. 1972 John Deere 4020 Late 72 serial number Deluxe big fenders Correct 72 wide front This an excellent original paint tractor Starts runs and drives great Double stack front weight Kids 1 se... See More Details. Sep 29, 2016. #1. Hello, While investigating the cause of poor running issues / top end noise on our 4020 we found significant wear in the valve adjuster / pushrod region on some of the cylinders. Further inspection revealed that the rear facing plug in the rocker arm shaft had shifted, cutting off the oil supply to a good portion of the top end.Location. Coyote Flats, Texas. Mar 12, 2013. #1. O-rings blown in steering motor. These can be R&R'd by removing one side frame rail. Caution block tractor up carefully and spindle must be timed to piston. R34748 SEAL,OIL ADD 30.28 USD 30.28 USD. 2-R26290 RING,BACK-UP ADD 5.04 USD 10.08 USD.

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Mar 28, 2024. #3. More likely a dirt problem rather than a mechanical problem. Suggest you clean the suction screen, replace the filter and change the hydraulic oil. Idle the tractor for a few minutes and check the hydraulic operations. If the problem persists, then check oil flow and pressures.Mar 20, 2017. #1. I have a John Deere 4020 Diesel that developed a miss. The first step to cure miss was to remove the pencil injectors and have them tested. All cracked/popped adequately, however, 2 of the injectors test pattern was not real good if pressure was added slowly so I replaced them. This did not cure the miss.Find parts & diagrams for your John Deere equipment. Search our parts catalog, order parts online or contact your John Deere dealer.Total for the rebuild was $700 but was still cheaper than buying a reman brake valve, at least according to the local JD dealer anyway. Good News....the original brake valve was rebuildable. It solved the entire problem and it stops great. No more wheel lock up. The JD 4020 is now ready to go back to work.

A pressure mark is a sign of physical damage to the inside of an LCD screen. It is related to, but not always synonymous with, the problem of dead or stuck pixels. Usually it is no...Member. Oct 12, 2023. #4. I had a couple broke off of my 4020 and I used JB weld on them. Make sure the surfaces are clean and I roughed them up with some really coarse sandpaper so that the JB weld had something to bite. I have had them on for 6 months and so far so good. C.The John Deere 4020 was an agricultural tractor model made by John Deere from 1964 to 1972. It replaced the nearly identical 4010 that had been introduced with Deere's New Generation series in 1960 and offered a number of improvements over the previous model including more horsepower, heavier rear axles, and a differential lock .1964 JD 4020. S/N 111000 range. Don't have that number with me. Answered in 16 hours by: Mechanic: Dan. Dan. Category: Agriculture and Farm Equipment. Satisfied Customers: 17,110. Experience: 17+ yrs. shop and field experience with all major brands of heavy equipment, trucks and farm equipment - 1995 WyoTech graduate.Diesel won't start or hard to start. Fuel filter is dirty - Change the filter element. The fuel shut-off valve is closed - Open fuel shut-off valve. Air trapped in fuel system - Bleed air. Dirty or damaged injectors - Service or change fuel injectors. Fuel injection pump is defective - Repair or replace injection pump.The John Deere 4020 may experience problems regarding the hydraulic, clutch, steering, powershift, and PTO mechanisms. Worn-out, damaged, and loose components and linkages are the majority of reasons for the problems.Apr 2, 2015 · 4020 steering problem. Jump to Latest Follow ... Former JDs: John Deere 318, 50in deck, 54in blade w/ power angle. Save Share. Like. flyweight. 24157 posts ... 4020 steering problem. Jump to Latest Follow ... I have a 4020 diesel that has developed an annoying habit of veering off to the right when driving. If you are quick and turn left it will straighten up but obviously it is dangerous on the road. ... Former JDs: John Deere 318, 50in deck, 54in blade w/ power angle. Save Share. Like ...Dec 13, 2007 · Hello all, Have a problem with my 4020. This past summer - if the tractor sat for more than 2-3 days...it wouldnt start. At the time - was a 24v system. 1st thing I did was replace the battery's - 2 brand new JD 12v's. Seemed to help for awhile - but not long and was back to not starting... Oct 28, 2023 · Designing the New Generation John Deere Tractors by Merle Miller: 2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere: Tractors 1918-1976 published by John Deere * John Deere Tractors for 68 published in 1968: Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere: Modern Farming published in 1965, by ... Sep 29, 2016. #1. Hello, While investigating the cause of poor running issues / top end noise on our 4020 we found significant wear in the valve adjuster / pushrod region on some of the cylinders. Further inspection revealed that the rear facing plug in the rocker arm shaft had shifted, cutting off the oil supply to a good portion of the top end.

Aug 13, 2020 · 6 posts · Joined 2020. #1 · Aug 13, 2020. I have a John Deere 4020 and the power steering has stopped working in one direction. When this tractor was evening used daily we never had any trouble with the steering. Now that it only gets used very little we have steering trouble. Is this problem in the steering column or would it be in the pump?

Aug 2, 2011 · The 4010 and VERY early (IIRC, pre-'65) 4020 tractors DO have a 3rd reverse. The later early models and on only have 2 reverse gears that are sped up. The the early ones, 1st reverse is the same speed as 3rd forward, 2nd reverse is like 5th and 3rd reverse is like 7th. So, 3rd reverse is 12mph. Great for plowing snow. :rock. The John Deere 4020 may experience problems regarding the hydraulic, clutch, steering, powershift, and PTO mechanisms. Worn-out, damaged, and loose components and linkages are the majority of reasons for the problems.The John Deere 4020 is a reliable tractor, but it does have its fair share of problems. From transmission issues to hydraulic leaks, the 4020 can require regular maintenance and repairs. However, with proper care and attention, these problems can be minimized, allowing farmers to continue utilizing this iconic piece of machinery for years to come.2. Tractor. John Deere 4020 Gas. It's sitting in the five inches of snow that fell last night. I live in southern Minnesota. I'm clearing CRP land so it can be planted. Of course it stalled as far from the road as possible. Brought in a mechanic. Changed the rotter, wasn't getting a spark to the plugs.We have 9 3020-4020 tractors and they all act as you describe.We just live with it because after 1 minute all the hyd. work fine,part of farming with 40-50 year old tractors.I don't start in the mornings like I did 25 years ago either.LOL. OP.Well-known Member. Nov 21, 2011. #1. Jimmy, STOP! Don't Screw up a perfectly good and valued 4020! by going at something the wrong way. The 4020 rearend was not designed to handle that kind of HP!! maybe 130/140 no where near 300. Go find a good old 5020/6030 or a 4520/4620, Do a 466 swap or send it Kinze and have a 318 Detroit DSL swap put in it!Posted 4/28/2023 11:47 (#10207028 - in reply to #10205538) Subject: RE: 4320 John Deere loose hydraulic when clutch is depressed. ecmn. Key take away is "long time" you have some reserve between oil returning from something, cooler and reservoir. The time is the big difference between a problem or not.Feb 14, 2021. #1. Directly behind the oil pressure gauge is a small hole in the governor housing. Oil will go through that hole and run down a trough to the oil tube. Remove the oil pressure gauge and take a small stiff piece of wire and you can unclog the hole. I had the same issue with a 37 A. It takes some. patience but it can be done. OP.

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Super busy on the farm preparing for fall harvest. #farming #farm #georgiasouthern #johnDeere #tractor Re: 4020 NOISY hydraulics in reply to buckeye al, 05-24-2002 14:33:20. SOUNDS LIKE YOU HAVE SURGEING OIL MAKING THE PRESSURE CONTROL VALVE MOVE BACK AND FORTH. YOU PROBABLY HAVE A PISTON HANGING UP OR A LEAKING INTAKE OR EX-VALVE IN THE PUMP. A PRESSURE GAUGE WILL SHOW THIS SURGE. Weird shifting problem - JD 4020. We have a 1969 John Deere 4020. A while back I began having shifting problems: If I put it in 5R, I need to fully let out the clutch for at least a 2 full seconds, or I will only be able to shift it into 5, 4, and 7. If I don't fully let it out, I'll have to turn the tractor off, turn it back on, place it in ...Member. Feb 6, 2012. #1. I have a 4020 with powershift that my Dad bought new in 1969. The engine has been rebuilt 1 time. Tractor probably has 10,000 hours on it. The transmission has never been touched. Had another 4020 that also had a power shift with a front end loader. We used this 4020 to clean out our poultry houses and load the litter with.In this video we talk about our John Deere 4020 tractor and the problems we are once again having with it. This tractor has been rock solid for us here at Pr...Coyote Flats, Texas. Nov 15, 2009. #1. allenhughey [/quote] have a 1972 4020 with syncro transmission. The tractor looses power when climbing any kind of small hill. I have gotton the tractor stuck a few times and the rear tires can not even get moving at high rpm in lowest gears. Traction/drive clutch is slipping which in turn causes trans ...Look at the ends of the rocker shaft, are the rubber plugs right against the cotter pins? Had a 4020 that the rubber plugs got hard and moved into the shaft tube and cut off the oil to the shaft. But it does sound like the problem is deeper. The brazing rod trick that Janicholson mentioned won't work unless the head is off.The back and forth could also be over driving the tractor. It takes a steady hand and very little steering on the HWY. Without seeing it first hand it's hard to tell if you have a problem or it's the above. It's very easy to overdrive a 4020 on the road. It occasinaly cycles to the left about 1/4 turn without moving the steering wheel and needs ...4020 Powershift - Shifting Issue. I have a 1966 4020 Powershift, lot of hours but fairly well taken care of. Shifts into reverse fine ---- when switching to forward it wants to miss. I have to shift back to reverse and then back to forward to get it to hit. Sometimes it will miss again, other times it picks right up like it should.New User. Mar 20, 2017. #1. I have a John Deere 4020 Diesel that developed a miss. The first step to cure miss was to remove the pencil injectors and have them tested. All cracked/popped adequately, however, 2 of the injectors test pattern was not real good if pressure was added slowly so I replaced them. This did not cure the miss.Subject: Re: 4020 John Deere info wanted. The early 4020 diesels came out of the factory with a goofy 24 volt positive ground system. It can be hard for the average person to work on. Some have been converted to 12 volt negative ground that is a lot simpler and easier to diagnose electrical problems on. ….

Went from a quad-range to powershift. When new the 4640 could not do the work of the 4630. After a year we found there was a program to redo the torque capsule in the injection pump. Deere had the wrong-headed idea that a torgue curve should be flat and accomplished it by taking off high end governor response.Jun 12, 2016 · 26 posts · Joined 2016. #1 · Jun 12, 2016 (Edited) My older 4020 with hydraulic levers on the dash is having starter problems. It's still a 24 volt system. I push the starter button and I hear the starter motor turning but the bendix does not engage the flywheel... or it is every so slightly engaging that it doesn't even sound like it's grinding. Many of the low-effort hacks don't actually work. Here's what does. Of all the garden pests, deer can be some of the most frustrating. They don’t care if you’re sprinkling coffee g...I have a 1964 JD 4020 that I m trying to get up and running. I bought 2 new 12V batteries and tried hooking them up last night. How do I know which cable...The early 4520's had air cleaner problems and serious injector problems but that was staightened out early. The 4520 was the first J.D. with a turbo charger. J.D. built the 4020 and needed a bigger tractor so they built the 4520 in 1969 and 1970 they turbocharged the 404 and made other improvements to handle the extra horsepower.Jul 26, 2016 · 1) The 4020 in question is a front console, manual PTO. 2) It had been making a whining noise with the PTO running for a while, apparently coming from the stack of gears between the bell housing and the transmission. 3) My brother in law was round baling, heard a loud bang and the tractor stalled out. He disengaged the PTO and the tractor drove ... Super busy on the farm preparing for fall harvest. #farming #farm #georgiasouthern #johnDeere #tractorI finally wrapped up the camshaft / injection timing problem I posted about here. http://talk.newagtalk.com/forums/thread …JD 4020 Diesel Charging Problem. Jump to Latest Follow 21 - 33 of 33 Posts. 1 2. R. RLstangs · Registered. Joined ... A forum community dedicated to John Deere tractor owners and enthusiasts. Come join the discussion about towing, PTO’s, reviews, attachments, modifications, troubleshooting, maintenance, and more! ... John deere 4020 problems, Jul 29, 2016 · Both transmissions were pretty darned tough, but today the newest are 44 years old. I have 2 syncros and 1 power shift (4020s), plus a 2510, 3020, 4320. As far as sales data goes, it is sort of a guess. It would be a fair guess to say in the earlier years, (64-68) the 4020 sales were probably 35-40% power shift. , This was the direction that Deere headed in, and the John Deere model 4000 was born. The one thing that Deere did not want to change when they created the 4000 from the 4020 was the engine. The six cylinder, 404 cubic inch engine produced over 91 horsepower at the PTO, and was quite efficient, as well, as its economy rating put it very …, Location. Coyote Flats, Texas. Mar 12, 2013. #1. O-rings blown in steering motor. These can be R&R'd by removing one side frame rail. Caution block tractor up carefully and spindle must be timed to piston. R34748 SEAL,OIL ADD 30.28 USD 30.28 USD. 2-R26290 RING,BACK-UP ADD 5.04 USD 10.08 USD., Re: 4020 powershift problem in reply to Wayne, 03-06-2004 22:56:18. Our 4020 had the same problem yours has with the park. I was able to fix it by shortening the park cable. You can do this behind the dash by taking off the hood cowl (I think that's what it's called). It has a threaded end so it can be shortened. , 19644020 Discussion starter. 18 posts · Joined 2013. #3 · May 9, 2014. all of the other hydraulics function with out any problems. the tractor has one set of remotes that go to a tee that supplies the FEL and the implements. the only thing i've noticed about the FEL is when it is going up it kinda shakes like the pressure is pulsing rapidly ..., Posted 1/1/2014 11:20 (#3563381 - in reply to #3563051) Subject: RE: JD 4020 steering problem. West Central Iowa. Provided the tractors does not have any external oil leakage (lines, fittings, ???.) you have either an internal leak in the steering motor piston o-rings up front or a problem in the steering valve under the dash or possibly both., 15 Jan 2021 ... how to operate john deere 8 speed synchro transmission., 4020 Powershift - Shifting Issue. I have a 1966 4020 Powershift, lot of hours but fairly well taken care of. Shifts into reverse fine ---- when switching to forward it wants to miss. I have to shift back to reverse and then back to forward to get it to hit. Sometimes it will miss again, other times it picks right up like it should., Re: 1967 4020 generator problems in reply to GLEN J, 12-04-2006 06:56:42. See if you have 12 - 14.5 or 24 - 28 volts if a 24V system on battery terminals with a voltmeter indicating enough charging. If not check wiring, regulator, grounds, terminals, cables or pull generator and have it bench tested., John Deere 4020 - Problems and repair. Yesterday I discovered trouble with my John Deere 4020. Diesel will not crank. Tell me please what could be the damage? You must use the recommended fuel grade. Drive high pressure fuel pump is broken. Check and repair. Wrong fuel injection pump timing. Adjust if needed., John Deere 4020 technical data: dimensions and weight, engine and transmission type, oil type and capacity, wheels and tires, full specifications and description. Toggle navigation. Tractorspecifications.com. Farm; Lawn&Garden; Home; Farm; Deere; John Deere 4020; John Deere 4020 (0 votes, average: 0.00 out of 5) Overview; Engine;, This was the direction that Deere headed in, and the John Deere model 4000 was born. The one thing that Deere did not want to change when they created the 4000 from the 4020 was the engine. The six cylinder, 404 cubic inch engine produced over 91 horsepower at the PTO, and was quite efficient, as well, as its economy rating put it very near the ..., Take disc, and slip it on the front of the small shaft and see if the PTO shaft moves in the rear when disc is turned. Ask Your Own Agriculture and Farm Equipment Question. Ok. Mechanic: Curtis B. Might all be good. Ask Your Own Agriculture and Farm Equipment Question. when spinning it the the pto still isn’t spinning. Mechanic: Curtis B., Re: 4020 powershift problem in reply to Wayne, 03-06-2004 22:56:18. Our 4020 had the same problem yours has with the park. I was able to fix it by shortening the park cable. You can do this behind the dash by taking off the hood cowl (I think that's what it's called). It has a threaded end so it can be shortened. , John Deere 4020 for sale. The John Deere 4020 is arguably the most popular tractor John Deere ever made. It's available with gas, propane, and diesel engines, and includes front-wheel assist. The 4020 is a mid-size tractor. BigIron Auctions helps keep America’s farmers running. Each week on our online auctions, you’ll find thousands of ..., The 2940 was never intended to be a replacement for a 4020. That's the spot the 4040 filled at the time, and it was a fine replacement for a 4020. The 28/2940 tractors were intended to be large utility tractors that were less expensive than a 4040, and they were exactly that. Edited by Big Ben 2/6/2017 16:03., If you’re in the market for a new John Deere tractor or are looking to sell one that you have on your farm, you’ll want the most relevant pricing information that you can find. Rea..., Deere & Co.'s (DE) charts should break their downtrend on the company's second-quarter earnings beat and raised full-year profit outlook, writes technical analyst B..., 1) The 4020 in question is a front console, manual PTO. 2) It had been making a whining noise with the PTO running for a while, apparently coming from the stack of gears between the bell housing and the transmission. 3) My brother in law was round baling, heard a loud bang and the tractor stalled out. He disengaged the PTO and the tractor drove ..., 4020 Powershift - Shifting Issue. I have a 1966 4020 Powershift, lot of hours but fairly well taken care of. Shifts into reverse fine ---- when switching to forward it wants to miss. I have to shift back to reverse and then back to forward to get it to hit. Sometimes it will miss again, other times it picks right up like it should., Re: 4020/trans. popping out of gear. in reply to Glen Anderson, 11-07-2004 21:09:50. You need to oil up the linkage so it moves freely, and verify that you can feel the detent in the transmission drop into place as the shift lever is moved into the fourth gear position. If the linkage is adjusted incorrectly, the detent will either drop into ..., I run a 64 4020 gas, first year for 4020 so your late 4010 would be a 63. The aluminum carb was a real bad deal, the big iron carb with vacuum accelerator pump was not much better. In my opinion the carb on the 4020 was much oversize for the application and runs poor at anything but full load., Re: 4020 Diesel Fuel Gauge Problems in reply to MaverickM23, 01-06-2006 14:38:20. Sounds like the battery is hooked up correctly. Now to wire gauge the positve goes to ground on the tractor. The negative should go to the wire that is connected to ignition switch. Then the other wire is from the sending unit., Posted 3/26/2011 07:09 (#1690797) Subject: 4020 generator light issue solved. West Central Iowa. Following up on the dim generator light issue on my 1964 4020 diesel, open station tractor from last night. After doing some more checking, it became obvious that there still had to be a resistor in the circuit of the generator light., Jun 12, 2016 · 26 posts · Joined 2016. #1 · Jun 12, 2016 (Edited) My older 4020 with hydraulic levers on the dash is having starter problems. It's still a 24 volt system. I push the starter button and I hear the starter motor turning but the bendix does not engage the flywheel... or it is every so slightly engaging that it doesn't even sound like it's grinding. , Symptom #01: Screeching Noise. The bearings of a John Deere tractor play an important role, helping to deliver efficient performance. They can be worn out due to continuous use. Also, bearings get exposed to dirt and debris. As a result, the alternator generates less power, causing a grinding or screeching noise., I run a 64 4020 gas, first year for 4020 so your late 4010 would be a 63. The aluminum carb was a real bad deal, the big iron carb with vacuum accelerator pump was not much better. In my opinion the carb on the 4020 was much oversize for the application and runs poor at anything but full load., Thats usually a linkage issue. Ours do it also. Usually if u go to reverse then back forward it will completley come out of park. Not saying it cant happen but the 4020 is a very well built tractor and the powershift transmission in it is practically indestructible. I have a '68 model and it was doing the same thing., If you’re in the market for a new John Deere tractor or are looking to sell one that you have on your farm, you’ll want the most relevant pricing information that you can find. Rea..., The 4010 and VERY early (IIRC, pre-'65) 4020 tractors DO have a 3rd reverse. The later early models and on only have 2 reverse gears that are sped up. The the early ones, 1st reverse is the same speed as 3rd forward, 2nd reverse is like 5th and 3rd reverse is like 7th. So, 3rd reverse is 12mph. Great for plowing snow. :rock., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Aug 15, 2016 · You're welcome. Sorry but I think you'll need to remove RS valve housing to resolve the 3 pt problem. 1st I'll suggest to acquire a 5000# gauge and check stand-by pressure. If stand-by pressure isn't above 1700 psi the priority valve would be blocking pressure oil to 3 pt. Stand-by pressure should be 2250 psi. , The John Deere 4020 may experience problems regarding the hydraulic, clutch, steering, powershift, and PTO mechanisms. Worn-out, damaged, and loose …