How often does a Cummins ISX lose coolant?

In the fleet here, there is a 2008 Peterbilt 388 with a Cummins ISX that is losing coolant at about a gallon a day (around 350miles). There is not an external leak anymore, it previously had a leak at the coolant filter, filter valve o-rings, and then the fill cap on the surge tank.

How to tell if your ISX coolant is leaking?

In rare cases, the fault is in the turbo or the air compressor (but very rare). You will also have signs of oil/coolant cross-contamination. Look for oil in coolant and vise-versa. If you have the original EGR cooler (usually still painted red) and no external signs of leaks, look at your exhaust.

What’s the throttle code on a Cummins ISX?

It’s a cummins ISX I have code 285 and code 241 active and I dont have any throttle response when the engine is idling. It's a cummins ISX – Answered by a verified Technician We use cookies to give you the best possible experience on our website.

How much coolant does Cummins diesel truck use?

Cummins ISX coolant loss… Discussion in ‘ Heavy Duty Diesel Truck Mechanics Forum ‘ started by dmkberger, Sep 26, 2018 . I am the husband of the Comptroller of a Fire District in Arizona, my wife tells me about one of their fire trucks that is using two gallons of coolant a week.

Where do I get coolant for my Volvo?

Losing coolant…from where? Help, Advice and DIY Tutorials on Volvo’s extremely popular car line — Volvo’s 1990s “bread and butter” cars — powered by the ubiquitous and durable Volvo inline 5-cylinder engine. Losing coolant…from where?

What kind of coolant does a Cummins engine use?

My 20′ international LT X15 (Cummins) has been consuming alot of antifreeze in the winter season but has been preforming well under no leaking nor visible damage…I have 74k on the engine as of right now and it uses Red extended life OAT (organic fluid) antifreeze…please fill me in on this matter, ty kindly and Happy New Year!!

What should I do if my car is losing coolant?

Engine overheating and coolant are closely related to each other. Loss of the liquid can lead to the overheated condition but overheating can also contribute to the coolant loss. Just fill up the tank to the maximum limit and keep an eye on the engine condition and the rate of coolant usage.

What causes coolant to leak from the radiator?

A defective radiator cap gasket will allow coolant to escape in the form of steam. The steam disperses inside the engine compartment. With high engine temperatures, the steam evaporates or moisture collects on the engine compartment firewall and fender wells. Coolant loss results, without obvious puddles signs.

What happens if coolant is mixed with oil?

If you suspect coolant has mixed with the engine oil, repair the problem as soon as possible. Antifreeze in the oil can damage the cylinders and pistons. 3. Is Engine Overheating Causing Your Coolant Loss? Coolant loss can cause overheating, but overheating can also cause coolant loss.

Is there a leak in the ISX surge tank?

There is not an external leak anymore, it previously had a leak at the coolant filter, filter valve o-rings, and then the fill cap on the surge tank. Now it’s losing more coolant. There isn’t any white smoke. The EGR cooler is not original, but I don’t have any info on when that was changed.

What happens if you lose antifreeze with no apparent leak?

Losing Antifreeze With No Apparent Leak. Whenever a vehicle loses antifreeze, also known as coolant, the usual expectation leads the owner to check for evidence of leaks at all the coolant connections and components. Obvious coolant leaks can usually be found in the form of puddles left on the pavement.

How to diagnose a bad EGR cooler on Cummins ISX?

Don’t let it get this far. This customer drove it for 4 months losing coolant and didn’t give it much thought. Fortunately he didn’t need a DPF, just a Cooler and Valve and a couple sensors. Let me know if you want to see me make a video on something else. Stay tuned for more. Thanks for watching. Loading…

Are there any problems with the Cummins ISM?

The Next Generation came out with the Cummins ISX and had pretty much the same problems as the Cummins ISM did. EGR issues were common problems on these engines. You would get a warning light on the dash and a code stored in the ECM. Most of the time the problem with the EGR valve was that the EGR valve would not open and close all the way.

How does an extended service chemical filter work?

Extended Service chemical filters use a patented combination of slow release chemicals and a diffusion orifice to slowly release chemicals during the extended service intervals. Standard service filters provide a simple and easy way of adding supplemental coolant additives (SCA’s) at traditional service intervals with any Fleetguard coolant.

Where does the oil go in a Cummins ISX?

Where the oil leaves the filter head and goes to the block through about a 1″ diameter hole the gasket seeps right there. All around the pass through is the coolant jacket. When the engine cools down the metal contract and oil seeps through to the coolant.

Why is oil leak so slow in Cummins?

All around the pass through is the coolant jacket. When the engine cools down the metal contract and oil seeps through to the coolant. Once warm and the metal expands again it makes a good seal, that is why the leak into the coolant is so slow.

How often does a Cummins ISX lose coolant?