Usually, fuel will overtake the cooling system and push past the cap. It is important to identify fuel in the cooling system early because the longer it stays in there, the more damage it does to all the rubber components of the cooling system. This bottle is cracked and broken down from the petroleum reacting with the plastic.
During your under-hood inspection, if you see your coolant bottle is overfilled or overflowing in any way, pop the coolant cap off and inspect it. Often, when you remove the cap from the truck, this seal will be deformed and expanded from reacting with the petroleum. This particular truck came in with the coolant cap replaced because the rubber seal was all deformed from reacting with the petroleum. Once you identify that you have a problem in your cooling system and there is fuel in the coolant, then it is time to do some investigation.
This diagnostic procedure is fairly involved and requires a pump to pressurize the cooling system. You are going to have to take the injectors out which requires removal of the valve covers, the valve cover gaskets, and all of your fuel injectors. While you have the injectors removed, now is a good time to replace the seals and check your glow plugs to make sure that they are all in working order. It will be easy enough to replace them all now while you have it apart.
With the valve covers are off and injectors removed, it is easy to see down into the injector cups with relative ease. Some on the passenger side by the air conditioning box can be a little challenging but they can be done. It is really important that you take some brake cleaner and good clean towels not fuzzy towels that will leave fuzz inside this system, good clean shop towels that have been used a bit and are washed and nice, dry and clean and clean the individual cups.
Use the pump, pressurize the cooling system, and watch the injector cups very closely in each of the 8 cylinder holes to find which one has the leak. With each hole clean and dry, it should be relatively easy to see the coolant emerge.
With the system pumped up, you can see the coolant form and push down into the cup. You have to be very patient and keep the system pressurized.
It is helpful to have a friend pump the system while you are observing each individual cup. The only way you are ever going to see this leak is if the cup is extremely clean and dry. If you look very careful and take your time, you will find the injector cup that is leaking, or two or three. In this particular situation, we have identified that the number 2 cylinder which happens to be an easy cylinder is the one that is actually leaking.
More often than not, we recommend that you replace all eight, but this particular customer does not have the time or inclination and does not want a warranty so we are just going to replace the one cup. Now that you know which cup s you are dealing with, order the injector cup s. With the removal tool, you thread it down into the cup. There is a puller that grabs the top of the hole and extracts the cup from the hole.
You put it down in the cup and drive it in carefully with a hammer. Depressurize the system and remove the pump. Once you have the coolant out of the system, now is the time to thread in the extraction tool.
We are going to remove the exhaust side rocker arm and the front rocker arm so we have visual access. It is not really necessary for the extraction process, but when you start working on some of the rear cylinders, it might be a good idea to get these rocker arms out of the way for ease of accessibility. I am a real stickler about the parts coming off and going back in exactly the same spot. Cummins Main Menu - Ram Cummins 6. Search Cart 0. Will This Fit Your Rig? Add To Cart Wish List.
Description One of the issues with the OBS Powestrokes is their factory fuel system, and the inability to easily add fueling upgrades. Description Blog Posts. Low smoke tunes are tuned custom by our tuner to get the most power with the least amount of black smoke. Core charge:Every injector set requires a core charge. Please select add core to send your injectors now and refund the money later.
Best way to not have down time with your truck. Or sending in first for us to wait and sent your order when we get yours to avoid paying the charge.
Sending in first shipping label is we email you a label to get your cores here. Saves you time and hassel. Reburn my chip for free: If you have a TS or hydra we'll put our tunes for the injectors on your chip. Leave the add a chip to no thanks.
Then select "free reflash" meaning you send us your chip TS or Hydra and we reprogram and send it back to you. Hydra email tunes is just that we encrypt the tunes and email them to you to self install. Email tunes Hydra Low Smoke is the custom tuning for minimal smoke also emailed to you. OBS 7. Saves you time and hassel Reburn my chip for free: If you have a TS or hydra we'll put our tunes for the injectors on your chip.
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