350 Bartlett Street Northborough Ma

There are some tips to understand if the fuel valve is working properly or not. So, knowing the exact location of this component is a must before you start working on it. Zero blockage in exhaust.

Cat C15 Fuel System Schematic

The air bleed screw is the one on the left side of the filter base and face out towards you. Cat c15 fuel shut off solenoid location. If you don't know where is the fuel check valve located on Cat 3406e, it will be impossible for you to deal with that. Now the reason they are being shimmed is CAT has a weak spring in them allowing fuel to bypass internally in the fuel transfer pump. After the truck sits a few days, the same, smoooth running. How to Tell if Fuel Check Valve Is Faulty on Cat 3406e?

10 for two "O" rings plus about an hour of my time. Mike, Most diesels have a check valve to keep pressure at specs for the main injector pump. The engine with a problematic fuel check valve will not be able to generate enough power. If this component is not working properly, fuel will leak into the engine, and the engine will not start. As I recently found out, some CATs don't have a fuel return line. Here we find both images that will help you to locate the fuel check valve. Let's see what are the problems, their symptoms, and how to fix them. C15 cat fuel system diagram. There are some common problems that a Fuel Check Valve on Cat 3406e may face. This device is prone to face troubles. TPS also a year old. There are some more symptoms of a faulty fuel check valve on Cat 3406e. If your engine is not starting, you may have a faulty fuel check valve. The Transfer pump must have a safety Valve in it incase the fuel filter gets blocked or there is another restriction in the system between the pump itself and the tank. But to locate the exact position, you need to know what is fuel rail and where it is located.

Cat C15 Fuel Shut Off Solenoid Location

What is the relationship between the spring in the transfer pump and the pressure regulator valve? The problem I've seen is this also increases the flow of fuel through the cylinder head and causes the fuel to pick up more heat. The red marks on both images are indicating the fuel filter. Fuel temps can easily reach 150*F by the end of the day in the summer monthsTom'o Thanks this. But the 90% of the time over and above that, shake, sputter, pop. Where Is The Fuel Check Valve Location On Cat 3406e? So, you should understand how important this component is for your Caterpillar engine, especially for 3406e. One day " my" unresolved problem will also be behind me. Another 6NZ fuel preasure ?? | Page 2. These problems are universal and these are true for all types of engines. Most of us went to the dark side, at least now you know your top-end is in great shape.

Zero air in Fuel, both pre and post head ( CAT hooked up sight glasses we drive for 90 minutes). If the pressure is low, it means that the fuel check valve is faulty. Fuel pressure regulator valve changed 3x. This is only used when trying to prime the fuel system. There is a lack of information about the location of the fuel check valve on a Cat 3406 engine. Divider and divertor valves changed. Low fuel pressure can damage the injection pump over an extended period. Cat c15 fuel system schematic. So is the fuel pressure regulator valve, the same thing as the fuel return bypass valve? This valve only functions when the primer pump is used.

C15 Cat Fuel System Diagram

But otherwise, I'd swear I was running out of fuel or timing is being thrown out. All sensors replaced. Open to ideas if you've got one. The Valve in the transfer pump is a safety valve as the return Valve in the filter head is the one that "Should" control Fuel pressure. If any of these symptoms you find in Cat 3406e, you have to locate it and then try fixing the problem. That was the way to locate the fuel check valve on a Cat 3406e. I shopped around and got ours for under $40. Fuel supply lines new. Why Do You Need to Locate Fuel Check Valve On Cat 3406e? Good time to "overhaul" the manual primer pump too (if you have one). If this happens, the engine will not get enough fuel. Let's try finding its location and know some important things about it. Cat 3406e Fuel Check Valve Problems.

Tank vents all good. This is universal, and the same is true for Cat engines too. I can put foot to floor through all 18 gears and no issues. I spent my life around the mechanical cat, I'm in the back of the short bus when it comes to these new 11 year old engines. The first test is to check the pressure in the fuel system. Very easy to check pressure. Since fuel pressure is increased by shimming the spring in the transfer pump. The check valve is usually located on the side of the Bosch injection pump or in our case with the 2 cycle Detroit, located where the fuel returns to the tank. Shim it up and then the valve in the filer base is controlling fuel pressure. If you search for it there, you must find it. This is a component of your fuel system that prevents fuel from going from the tank to the engine. Dropped tanks to check suction tubes all good. As a result, It will fail to start.

The check valve is inside it. Cat Return Check Valve January 08, 2016, 04:34:52 pm Quote from: mike leary - January 08, 2016, 03:44:18 pm Great news! Always use CAT filters. Many times we see the engine not starting, not generating enough power, and even suddenly stopping working. A faulty fuel check valve will lead to excess fuel entrance into the engine and cause it to misfire. We think then will help you. If it is still confusing then the engine diagram will surely help you. If you talk about Cat 3406e then you will find the same problem here too. Another 6NZ fuel preasure?? There are some opinions that it is located on the base of the fuel filter in the Cat 3406e engine. Check valves are relatively inexpensive. Low pressure can also be related to a faulty lift pump or clogged filters.

Any time I'm off the throttle 5+ seconds all is Good thereafter for usually the next 5 to 15 seconds of regular throttling. But I called around and the consensus is that if the sensor and pedal ( complete) is changed then no, no need to calibrate. The most common problem of a Cat 3406e fuel check valve is pressure controlling inability. Besides giving you the location direction, we tried to help you by giving related information on this component. It's driving me insane. The fuel rail or filter is located near the air compressor of the Cat 3406 engine. Bottom gears from a stand still, all the clean smooth power I want. Another symptom of a faulty fuel check valve on Cat 3406e is not generating enough power. Both wiring harness replaced. Another thing you can do to understand its problem. CAT said zero blow by on injector seats and O rings when they ( under my platinum warranty) swapped out all 6 injectors trying to resolve my issue. We hope the question 'where is the fuel check valve location on cat 3406e' gets its answer. Coolant temps climb, fan comes on and no way can I get RPM's above 1500 as it feels like I'm gonna rip the crank out with the vibrations and low power.