JD5300 starts hard

Anonymous-0 · Feb 2, 2010

My JD 5300 will not start without a small squirt of ether. A few weeks ago it was 10 degrees and I had no problems starting her. It quit while I was feeding and immeadiately started back with no problem. The next day it would not start. I changed the fuel filter and still no luck. Little ether and she goes and goes. I have bled all the lines several times, fuel shut off valve seems to be working ok. I have tried to cut the valve off at the fuel filter to keep fuel from leaking back to the tank, no improvement. Where could I be loosing prime?

wayneh · Feb 2, 2010

how fast is she cranking?

mike edwards · Feb 2, 2010

very normal rpm's when turning over

Jim Plunkett · Feb 2, 2010

I got a filter that was bad last spring it would lose prime over night.

Jim Plunkett · Feb 2, 2010

I got a filter that was bad last spring it would lose prime over night.

Jerry/MT · Feb 2, 2010

Have you checked the screen no the fuel tank outlet? There could be some trash floatng around there. Otherwise, it sounds like you have an air leak in the fuel delivery system. Do you have a lift pump? Is it running wewhen it should be?

mike edwards · Feb 2, 2010

After it quit the first time and restarted; it would not start the next morning before I changed the fuel filter.

Did you notice a leak in your filter? How did you know it was bad? I plan to put another filter on tomorrow.

One thing I did notice was when I pump the fuel to the injector pump after changing the filter, I can get fuel out of the line feeding the pump but, can not get it to bleed out of the injector pump itself.

mike edwards · Feb 2, 2010

I do not have a lift pump, just the manual pump to feed bleed the lines after changing the filter. I can not get this pump to push the fuel through the injector pump. It pushes it to the intake fitting just fine.

I have not noticed a screen on the fuel line. If it was plugged would the tractor still start with ether?

How can I determine where the leak in the system is when no fuel drips are visible?

buickanddeere · Feb 2, 2010

Block heater? It's normal to use them in freezing temps.

mike edwards · Feb 2, 2010

I have been using it when it gets below 30. Makes no difference with this issue. I have to use the ether regardless of whether it is plugged in or not.

tractor fixer · Feb 2, 2010

could be the screen in the inlet of the pump is stopped partially. do you get any smoke at all when trying to start?

jared in wi · Feb 2, 2010

it may be that the lines from the fuel tank are dry rotted, and weatherchecked, replace the lines from fuel tank to the fuel filter and the return line as well.

Jared

Gene Davis (Ga.) · Feb 2, 2010

Is the fuel gelling?

mike edwards · Feb 2, 2010

No smoke at all

mike edwards · Feb 2, 2010

I did not notice a screen at the feed to the injector pump

mike edwards · Feb 2, 2010

I tried to rule out the fuel line by turning off the valve at the fuel filter hoping that the system would hold prime from the fuel filter to the injector

mike edwards · Feb 2, 2010

Fuel does not appear to be gelling. I used an additive just in case. It's been 28-40 degrees throughout the past week while working through this.

Leyland-270 · Feb 2, 2010

Got a JD 6400. Same thing some days good some days would hardly start or only with either.

Ended up replacing, fuel pump in the tank.

Not even sure if you have one in the tank, but I didn't know I had one till it went bad.

mike edwards · Feb 3, 2010

she"s turning over just like always; no smoke, no nothing unless I give her a little ether, then it"s business as usual. I think it has to be loosing prime at the injector pump.

Mike M · Feb 3, 2010

JD sells a couple of starting aid kits for those don't they ? One is an intake heater and the other goes to the injection pump and must change the timing ?

Neighbor has some model of a 5000 series. He said it starts hard. He has the intake heater but not the part in the inj. pump.

They also sell a block heater kit.

These new tractors aren't nearly as good as the 55 series. I worked at a JD dealer when these came out new and easy starting was one of the selling points. One really cold morning in the single digits the left over 50 series wouldn't start or started really hard but the 55 series popped right off.

JD5300 starts hard

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