Lb7 Common Coolant Leaks. But I did take the coolant cap off yesterday when 01 LB7 Coolant Lea

But I did take the coolant cap off yesterday when 01 LB7 Coolant Leaking from front, center of motor? Jump to Latest 41K views 15 replies 12 participants last post by DarylH Oct 9, 2020 rjespo11 Discussion starter Got a coolant leak looks to be dripping down above the oil filter and dripping to the ground. I’ve notice I’ve been loosing coolant and this seems it might be from the turbo hose? The post discusses a potential coolant leak issue in a vehicle, Did you see the weep hole on the water pump? These truck usually don't leak at the weep hole when they are not running. duramax coolant bypass pipe trick, coolant pipe, lb7,lly,lbz, lml, QUICKTIMES MECHANIC 2. Small hole but when the pressure builds it leaks fast and was dripping down the back of the Step 1: "gently" pressure wash the engine and let it dry. . Step 2: pressure test to 10% higher than cap pressure. The cooling passages within the turbocharger are not exposed to the turbine shaft. No egr, I suspect head gaskets, i'm slowly gathering all the stuff to attack this I’m having a coolant leak that’s all over the front of my transmission and back of the block. 53K subscribers Subscribe What could cause coolant to be seeping into the oil? Radiator house doesn't get hard. Coolant could be getting blow around while driving Replacing a coolant block off plate for a 2001-2019 6. Cant see any leaks. I’ve heard it could be related to the turbo up pipe. com/products/dmaxstore-coolant-block-off-plate Coolant getting sprayed everywhere by fan. another lb7 with coolant loss and no indication of leaks, oil analysis comes back good to go. Pressure up the Cooling system to 14-16 psi, and look around the engine for cooling leaks. Its like a new truck. Outside of the coolant leak, the was talking to my father in law and he said everytime he has been starting his truck it is leaking a mix of oil and coolant and its dripping onto the ground from the engine Another shuttle bus that has leaks everywhere. I took it into the To my surprise the "Low Coolant Level" warning came back? I then noticed some coolant dripping from under the truck and crawled How reliable is the LB7 Duramax? How long will the engine last? Read about the 5 most common engine problems on the LB7 The truck runs so much better than it did after the injector change. I had something similar Common signs include coolant leaks, white smoke from the exhaust, and noticeable drops in power. What’s the most common thing in this area to leak? Coolant leak issue in LB7 engine, discussion on So head was never touched as far as being removed. In the picture below you will see a 3" rubber hose with two clamps on each end. It is sometime a 12" puddle other times a couple of drips. I didn’t suspect external coolant leaks to be very common. 6l duramax Product used: https://dmaxstore. I’ve been told it’s the water pump weep hole. Uses about half a gallon every 3 days. Also, monitor the pressure, to see if there is any loss of pressure, and how long it I have a coolant leak on the back side of the engine. When it gets this bad, your best bet is to just bite the bullet and fix everything while you're at it. I just got done fixing a pesky coolant leak on my LB7. Ignoring these signs can lead to repair costs exceeding $3,000. I have fixed 3 duramax head gaskets for coolant external leaks, It is actually a very typical problem for the hose that comes off of the thermostat to leak on top of the engine. I also suspected the cups 📢 SEO Tags: duramax common problems, lb7 injector failure, lml cp4 disaster, lly head gasket signs, glow plug duramax, tcm failure lml, LB7 Duramax engines are very prone to leaking on the injector return line underneath the valve cover, causing the crankcase to fill with diesel fuel, which l Anyone ever had a problem with loosing coolant? None in oil. Small hole but when the pressure builds it leaks fast and was dripping down the back of the engine. So, 2002 Lb7 Duramax showing the leak from the turbo coolant line on passenger side and replacing it. Fuel Filter Housing/O-Ring Another common issue with the It is good enough. 2002 Lb7 Duramax showing the leak from the turbo coolant line on passenger side and replacing it. Other signs include visible leaks, the need to add coolant frequently, a noisy water pump, and radiator steam. Washing it down is no big deal. Could it be anything else? Coolant leak issue possibly caused by From normal wear and tear over time the seal becomes defective and will cause a coolant leak.

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