Question about John Deere 4020 Gas & Diesel Tractor Radiator

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I have a JD 755 diesel utility tractor that will not start, battery, glow plugs good

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 3600 Answers

SOURCE: I have a JD 2020 Diesel tractor can't keep its

Have you checked to see if there is bubbles in the fuel system by cracking the fuel lines on the injectors? If you have a remote start button you can connect it to the stater and be sure it's out of gear with a wrench crack open the fuel line to each injector one at a time and see if when you crank it over for 20 seconds does fuel come out or do you get air bubbles? If you get fuel and no air continue to check each injector after you have checked all injectors do you have any that had air? if one or two had air check those injector lines and connections for breaks in the fuel lines. If you find no crack in the fuel lines when the engine does run do you get any black smoke when it fires up? if not it's a low fuel problem so you need to check the fuel pump with a in line fuel pressure gage see if the fuel pressure is steady, if it's not it could be many things including the following. Fuel shut off valve stuck closed fuel safety switch defective cracked intake tube going into the fuel tank where the sending unit is junk in the fuel tank or a bad fuel pump or bad injectors. You did not give how many hours the engine had on it so it could be worn injector tips. keeping the fuel from holding pressure causing low pressure loss. Also if the tractor had been operating with a lot of black smoke you may have rings stuck causing low compression. There is an easy way to find if you have a dead cylinder if you go to a truck parts store and buy a grease stick that melts when the temperature gets hot enough. To do this you mark each exhaust port on the manifold run the engine as long as you can and see if the grease pen melts if it's no melting then you could have low compression. if this is the case then you would have to run a compression test to see if cylinders have low compression. to do a compression test you would have to remove the fuel lines pull injectors one at a time and crank the engine over 4 bumps on the pressure gage take the reading it should be around 600 PSI and should not be a difference of more than 10% between all cylinders.
It could be as simple as you have air in the system and it just needs to be bleed as I stated before. Without more details troubleshooting would be like using a scatter gun to hit the problem it would be a hit and miss problem. It is possible that the fuel is too cools and it is jelling up. If your in a area where it's below freezing all the time the fuel could be jelling up and you will need to run number 1 diesel or diesel anti gelling agent to help the diesel flow correctly.without knowing the ambient air temperature that the tracker is sin it is again hard to trouble shoot the issue. If you want to give me more information I can at least get you close to the problem but I would need to know if the tractor is stored outside is it below freezing what fuel your using, is the air filter clean do you have compression is the fuel pump pressurizing do you have a cracked fuel line on the sending unit on the tank. Let me know if you want more information. Thanks for using Fix-ya and let me know if this helped by replying to the email at the bottom of the page you receive from Fix-ya.

Posted on Feb 14, 2010

mattofilms
  • 110 Answers

SOURCE: John Deere 4400 Farm Tractor won't start in cold weather

sounds like your glow plugs are not working.
Replace / test.

Posted on Jul 02, 2009

wireguy212
  • 1627 Answers

SOURCE: 1989 JD 2155 2WD tractor, cannot start engine,

Have you tried crossing the large post of the starter with the small terminal that has the engagement wire going to it[with the machine in neutral and the range lever in neutral if course].If this will make the tractor turn over then the problem is likely the neutral safety switch located under the panel that is covering the transmission just rear of the sticks.

Posted on Jan 08, 2010

wireguy212
  • 1627 Answers

SOURCE: i got a jd 318 the battery light is coming on and

Locate the plug on the right side of the engine that comes out from under the engine cover and also the regulator that bolts to the engine top cover on the top right side,held in with a bolt that take 10 mm wrench.The problem is usually burnt wire end in the plug or the regulator it's self has to be repaired or replaced.

Posted on Jul 30, 2010

  • 2468 Answers

SOURCE: I have a JD X595 Diesel. This is what happens, say

have you tried bypassing the temperature sensor in the glow plug circuit? sometimes its in the blocks water temp sensor or in the intake manifold area that senses the need to use the glow plugs or not,due to the air and water temperatures in the engine,you will need to obtain a J.D. service manual for their locations on the engine

Posted on Jun 10, 2011

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1 Answer

What voltage do i require to use NGK Y103V glow plugs in my Kaboto 3 cyl engine and will a simple push button type switch be adequate .


glow plugs on a diesel should be the same voltage as the battery voltage that vehicle has , the glow plug relay takes this power and allows it to go to glow plugs for first few minutes of starting , some of them cycle the power on/off several times a minute to control the temp of glow plug but the voltage is allways the power of the battery , this may only not be true on large trucks and tractors (im talkin big !) they use 36 volts to start but then as soon as started cut back to 12 or 24 volts

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Hard starting diesel! how do I check out glow plugs & injectors?


glo plugs are small elements that can blow and not work so remove each one and check it out across the terminals of the battery
a short connection and they will go to red at the element
hard starting can be from injectors spraying and not atomizing so have the tips replaced and reset at an accredited diesel specialist shop

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1 Answer

Diesel hard starting after glow plug goes out


What in God's creation do you think the glow plug is for? The glow plug is there to start the initial detonation of fuel and once that happens it is not needed and the diesel diesels!(runs without help).

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My 1996 JD 755 diesel loads up and burns black smoke little power


check the air filter ???
check the exhaust ???
possibly bad fuel ???

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1 Answer

96 Ford F-350 Turbo Diesel. Replaced 4 glow plugs on driver side. After replacing the glow plugs and the glow plug relay, the truck will crank slow and not start. Batteries power drained quickly while...


Have a load test done on the batter to check for failing cells. For diesels to start any thing less than a fully charged battery good battery is a waste of time as the engine needs fast RPM to heat the air to ignite the fuel and slow rpm's just doesn't cut it.

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I have a 1990 toyota surf it was leaking diesel from the fuel pump. We put a duel battery in and went to start the car and the car starts idelsup to 3000 rpm then stalls the black smoke comes out of


you can check the glow plugs.disconnect the negatif from batterie.
remove the wire thats connect all glow plugs.then turn one by one,
the glow plug out.remember where you took them out.you got on ,
one end a pin and the other side treat,treat is possitif pin is negatif.
take a solid wire from and connect that whit a small gripper on the,
nut from the glow plug.now the treat from glow plug put that on possitif batterie en the wire on the negatif from batterie,the plug will start to glow from top off the pin downwarts if its a good one.less good one start to glow in the middle off the pin and then one is not working will not glow ,
be carrefull these can burn very hot,so only do this a few seconds.
diesel needs somewhere between 400 or 500 degrees to ignite.

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4 Answers

I have a JD X595 Diesel. This is what happens, say if I start it, then shut it down it will not start again right away. The first time it starts the glow plug light comes on. Shut it down and try to start...


Before you do anything grab a test light, remove the wire from your glow plug, put one end of test light on positive on your battery and the other end on the glow plug, if the light comes on than your glow plug is ok, if not replace, otherwise you need to locate the relay/sensor that tells the glow plug when to go off/on which is more than likely the problem, you may be able to locate it by tracking the wire from the glow plug or your local John Deere service provider may be able to tell you exactly where it is over the phone.

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1 Answer

In winter time my 2004 Outlander takes a while to start-sounds like flat battery-but in summer all good.The battery on it's way out?


hi.
it is possible that the battery is at fault

if you have a DIESEL engine, then the fault is far more likely to lie with the engine preheat plugs (glow plugs) these are needed far more in the cold weather to pre heat the cylinder to allow the diesel to ignite. one or more faulty glow plugs will cause starting problems on a diesel engine, especially in cold weather.

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1 Answer

John Deere 4400 Farm Tractor won't start in cold weather


sounds like your glow plugs are not working.
Replace / test.

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