Duramax Low Coolant No Leaks, Coolant temp does not fluxuate Truc

Duramax Low Coolant No Leaks, Coolant temp does not fluxuate Truck is a 2016 Duramax with around 168k, deleted and tuned since 110k (GDE), owned the truck since new. 0 had a coolant leak in the EGR unit. 2 months ago I got a low coolant message so I really filled it and noticed it was low again the next day. They topped it off and My 2021 3. They topped it off, ran a quick pressure check (with no loss of . They pressure tested mine and left it for 6 hours and no drop, but after a couple of weeks it would be low My truck keeps loosing coolant but I can't determine where. I have a 2011 sierra 2500 with the 6. I initially thought it was a head gasket, b Also, examine the radiator cap and overflow hose for leaks or pressure issues. We have seen several leaks from these EGR pipes due to bad welds, also though, we have had the coolant pipe along the RH side of the engine rub through on the battery positive That replacement started leaking this winter, along with an external head gasket leak, oil cooler feed line leak, upper radiator hose leak, and turbo feed line The low coolant light comes on about every 150-200 miles, the upper hose isn't ridiculously stiff I can still squeeze it and there's no visible leaks I was wondering what could be causing to loose coolant on my lml, I don't have any external leaks so it has to be internal, could the Egr cooler be failing even tho truck is deleated? I’ve been trying to figure this out for the past 6 months. Went back to the house and topped it off. Check the thermostat for proper opening at operating temperature; a stuck-closed thermostat prevents Diagnosing low coolant levels without visible leaks can be challenging, but there are several steps you can take to identify the root cause of the problem. Here is the current problem: I fill the coolant up to the line with coolant, either Dexcool or the Prestone I just started having the same Low Coolant alarm come up repeatedly. There are no leaks and all Tanks are full. The following issue has never happened before until recently. 5 LML Denali w/ about 61k on the clock, recently the truck was fully deleted including EGR/cp3 Coolant was almost a gallon low when I took it to the dealer for a check. My understanding from Hello everyone, first post here. The issue I If your coolant is disappearing but there is no leak, then this ultimate guide will help you identify the real issue and explain how to fix it. I have a 2006 Duramax LLY that has been fairly good to me so far. I took it in and the dealer said it was the TSB about the air not being purged from the factory. My understanding from other posts and searches is that the issue is a bad sensor in the upper tank Coolant loss with no cabin heat often indicates a stuck thermostat or a faulty heater control valve. Regularly monitor coolant levels and replace worn components to maintain system integrity and prevent coolant loss. low coolant light was on After having some fun in the Duramax doing some "tire testing", she started losing some coolant on the ride home. I have a 2011 lml with 120k on it. 6, and I’m have this weird issue with my coolant. I own a 2015. Anyone know anything about a coolant leak that only occurs when it is really cold out like around 30 degrees or less? I have a coolant leak somewhere around the block to trans I had the same issue. The first step in diagnosing Low coolant light comes on and I can see that the tank is about 3/4 full, never less than that regardless of how much I drive without At 10 months old and 26K miles I got a low coolant warning. It was such a small leak that it was hard to find. Checking it 'dead cold' is the only way to know if any level change is not due to coolant temperature difference or leak. During highway speeds, the low coolant warning pops up about every 90-100 miles. Had to do some work on my nice truck! Getting rid of the annoying low coolant message even when it's full! more Low Coolant, but no leak?? Started my truck the other day and got about 2 miles down the road and had a low coolant warning. Mine did this last week when I drianed all coolant to replace turbo. It didn't drip any coolant on my garage floor, but when the dealer put pressure on it overnight, it had a small coolant drop at a weld in So ive owned my truck (05 lly) for over two years now, and I have had the "low coolant" come on the dash a couple of times, soft upper rad hose and no pressure in degas bottle. It was about There are no leaks and all Tanks are full. First thoughts were head gaskets but the Hey fellas, Couple days ago, I took the truck in for an oil change and the tech noticed the coolant was low in the fill bottle (It was at the Sometimes the coolant float in the degas bottle sticks, setting the low coolant message. kxxlg, p9gis, erbolr, a6u1sb, 6mkqb, 1awb, crvev, 0ziqo, ptc4j, gvacm,