Quick Answer: How To Change A Injector Pump On A B7300 Kubota Tractor?

How do I know if my tractor injector pump is bad?

Symptoms of a Bad or Failing Diesel Injection Pump

1. Engine may run roughly, or not at all.
2. Hard starting.
3. Engine misfires.
4. Lack of power.
5. Excessive smoke from the exhaust.

How do you install a fuel injector pump?

1) Rotate the engine until the #1 piston rises to its highest point. 2) Connect the new pump to all fuel lines, except for the top hard lines that connect to each injector. Do not connect pump yet. 3) Press the primer pump to build pressure, open bleeder valve to release air, then close bleeder valve.

How do you bleed Kubota fuel injector lines?

Open the fuel bleed valve on the side of the injection pump by rotating it fully counter-clockwise. Pull the cylinder head decompression knob (if equipped) and crank the engine over for 10 – 15 seconds. Close the fuel bleed valve and attempt to start the engine normally.

How much does it cost to replace an injector pump?

To get your injector pump replaced, you are looking at anywhere from $1,400 to $1,875. For labor, you should pay between $770 and $1,000, while parts will run between $685 and $900.

What causes injector pumps to fail?

One of the major reasons for injector pump failure is an excessive buildup of deposits. There are two types of deposits – internal injector deposits and external injector deposits. External injector deposits are caused by fuel that’s not wholly burned that often builds up around the injector holes.

How long does a CP3 pump last?

Forever as long as filtration is kept up. 01-02 are known to give out around 200K miles. If you need a regulator, just bite the bullet and put a CP3 in it.

How do you check fuel injector timing?

Hair line Test is a method of checking fuel pump timing by looking for the crank angle when the marking on plunger and its body coincides. When the unit is at TDC with both markings on plunger and its body coincide; the crank angle marking on flywheel will tell the exact position of fuel injection on timing diagram.

What are the symptoms of a bad diesel fuel injector?

Here are the 5 most common symptoms of faulty diesel fuel injectors.

• Trouble starting the vehicle or uneven idling. The engine cranks but doesn’t start unless you crank it for a long time.
• Misfire.
• Smell of fuel.
• Dirty emissions.
• Increased fuel consumption and poor miles per gallon.

What does a bad diesel injector sound like?

A bad injector can sound exactly like a rod knock. One that completly fails and squirts all it’s fuel all at once will scare the daylights out of you it’s so loud. You’ll think it’s going to crack the block!

How do you know when to replace diesel injectors?

Signs of diesel fuel injector wear

1. Fluctuating power. If your vehicle is revving inconsistently or your RPM gauge is up and down, this may be a sign your fuel injector needs a clean.
2. Misfiring. Do you find your vehicle misfiring on ignition?
3. Fuel odours.
4. Reduced fuel economy.

What are the symptoms of having air in the fuel line?

• Strong fuel odor, engine misfires, and decreasing power.
• Carburetor flooding, engine stalling, and hard starting.
• Fuel leaks.

How do you get air out of fuel lines?

To purge air from the low-pressure side of the fuel system, open fuel – line unions and bleed ports downstream of the pump, one at a time, beginning with those closest to the pump, and continue pumping until fuel, and not air, runs out.

Why do you have to bleed a diesel engine?

When a diesel ran our of fuel. fuel pump sucks some air with the reaming fuel. when you refill the engine, you must bleed the air out of the fuel circuit to maintain the fuel pressure, the fuel phase and to avoid misfire.