· Ford F-150 owners have reported 89 problems related to coolant leaking (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. · My engine has something of a phantom. I have a coolant leak that can go through about a gallon over the course of 300 miles. I cannot seem to find the source of this leak. When I stop I can find coolant dripping from above the starter, but not where it originates. · Leaking coolant under load. Why? Jump to Latest Follow 1 - 9 of 9 Posts. nickLB7 · Registered. Joined Apr 3, · 243 Posts . Discussion Starter • #1 • Oct 28, . Hey guys(and possible gals), I have a friend with an LLY HD who is experiencing some problems and we need your help.
Causes of a Coolant Leak. Like most problems, there are usually signs that may indicate you are dealing with an issue. In the case of a coolant leak, one possible cause could be that the reservoir is made from plastic and may begin to wear over time. If it wears too much, it could crack and cause a coolant leak … · A Coolant leaking internally from the intake manifold gasket or cylinder head gasket can end up in one of two places: mixed with the engine oil or burned with the air-fuel mixture in the exhaust ... · Coolant leaks and engine overheating are usually caused by a failing water pump. Automotive water pumps are designed to leak coolant through weep ports as a warning that they are failing. Aside from overheating, a distinctive grinding or ….
1. leakage losses too high 2. pressure circulation fails to switch on 3. spool sticking As 9 B 1. losses in efficiency due to wear 2. internal friction too high (poor level of efficiency) 3. internal leakage losses 1. cooling performance of the assembly (or installation) insufficient in relation to the installed power or … · While inspecting the engine I found the EGR to be leaking a considerable amount of coolant. This is a big no-no with clean Diesel engines (truck must be towed in to avoid engine damage). I'm currently limited in my capacity to fix/replace the valve, and I must take the car in to be serviced. · A 50/50 mixture of antifreeze and distilled water flows around the engine during use, keeping it from overheating, so a leak can mean trouble. Eventually the radiator and the reservoir will run dry and lead to the destruction of the engine. While detecting a coolant leak can be difficult, there are a few places to immediately look.
· Coolant leaks are a precursor to a major engine problem, and fixing them should be high-priority. Why? Engine coolant maintains engine operating temperatures in the best range for performance and fuel economy. If the engine is too cold, fuel doesn't vaporize as easily, leading to poor performance and increased fuel consumption. · Antifreeze in oil is a sign of an internal leak. And, is usually caused by, a bad gasket or engine failure. When antifreeze mixes with oil, it robs the oil of its lubricating properties and can destroy an engine. So, antifreeze in oil creates a light … · coolant being pushed out the degas bottle is a sign of egr cooler failure due to a restricted oil cooler. the exhaust gases fill the cooling system and force coolant out from underneath the cap. a lot of times you can notice a low howl on decel when it is failed also, which is the gases escaping the degas bottle. ford makes a oil cooler rebuild kit which we install instead of replacing the.
· My S60 has a coolant leak which I cannot find. The system stays pressurized - I can leave the car sit overnight, the next day take of the resevoir cap and there is lots of pressure released. After adding coolant the car will go 200-300 miles before the coolant low warning comes on. · The coolant was being lost through the coolant overflow hose. I fought with this, stopping every 30-45 minutes and adding 1/4 to 1/2 gallon of water. The engine never did run hot, with the hottest it ever got being a hair over 200. ... An air compressor head kit is not cheap but a common failure point (smoke white a little bit under load) but ...Coolant is forced past the piston rings and enters the oil crankcase. The coolant mixes with the oil into a brown or cream-colored frothy consistency. The radiator coolant level will drop perceptibly, while the oil level in the crankcase will rise. At this point, signs of exterior water leakage will show.
· An antifreeze leak can occur through a hole in your radiator. Corrosion of your radiator tubes or damage because of stones or debris can create a leak. You may also see a leak between the tank and radiator body over time, as the sealing gasket wears out. You can also have antifreeze leaks at the various hose attachment points. · Ford F-150 owners have reported 89 problems related to coolant leaking (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. · Or if you drain your oil (or see inside the sump) and it looks like chocolate milk, they are both good indicators of a leak of antifreeze into the engine oil. Blown head gaskets or leaky seals could cause this. Whatever the cause, you need to clean that gunk out, so: Drain the system. No point waiting this time as the antifreeze is all mixed in.
· 4. Radiator Leak. The radiator is designed to allow coolant to flow through its internal cooling tubes which will help the engine run at a normal operating range. When a radiator ages it can cause one of its plastic tanks to crack which will allow antifreeze to leak out. When this problem occurs it will sometimes leave signs of dried coolant which can be detected by an inspection. · The coolant was being lost through the coolant overflow hose. I fought with this, stopping every 30-45 minutes and adding 1/4 to 1/2 gallon of water. The engine never did run hot, with the hottest it ever got being a hair over 200. ... An air compressor head kit is not cheap but a common failure point (smoke white a little bit under load) but ... · First Step Is To Find The Leak . If you think your coolant is leaking, you are probably wondering why it is leaking and where the leak is.These leaks can be difficult to find because in many cases, the coolant can drip down and evaporate once ….
· 2. Coolant leaks. Another symptom of a potential problem with the coolant reservoir is coolant leaks. If the coolant reservoir cracks or breaks due to old age or overheating it will leak. Small leaks may produce steam and drips, while larger leaks will produce streams and puddles, as well as an obvious coolant odor. 3. Engine overheating · First Step Is To Find The Leak . If you think your coolant is leaking, you are probably wondering why it is leaking and where the leak is.These leaks can be difficult to find because in many cases, the coolant can drip down and evaporate once it hits the hot engine.A rising temperature gauge, a pool of coolant beneath the car and a drop in the radiator level are signs of a leak. So are rust-coloured stains in the engine bay. But if you cannot actually see the leak, a systematic check is called for. Always work when the engine is hot, and pressure in the cooling system has built up - forcing out coolant ….
· These holes will allow coolant to leak into the bore and reduce coolant pressure. The addition of a supplemental coolant additive is recommended to provide a protective layer of chemical nitrates to prevent liner damage. 2) Check the Coolant Quality: Matching the quality of the coolant to what is already in the engine is important. · Truck has had a small coolant leak for a few months now. Towed the camper last weekend & she was overheating quite bad. So I pulled the rad & cleaned it up & she is running cooler but now it is blowing coolant out the overflow on the overflow tank. I had my rad cap pressure tested & it failed so I put a new one on but it is still doing it. · Engine Coolant Temperature (ECT) Sensor. This won't cause cold stalling but, it can make for a rough idle once the engine warms up. If the coolant sensor reads warmer than normal, or reads hot all the time; the (PCM) will lean out the fuel mixture too much; causing the engine to stall when it is cold. A bad Air Temperature (IAT) Sensor.
· AMSOIL Low Toxicity Antifreeze and Engine Coolant is a 100-percent concentrated polyglycol formulation for situations that call for a low-toxicity product.. Its HOAT formulation delivers excellent protection for up to 150,000 miles (241,000 km) or 5 years, whichever comes first, in passenger cars and light trucks.Coolant is forced past the piston rings and enters the oil crankcase. The coolant mixes with the oil into a brown or cream-colored frothy consistency. The radiator coolant level will drop perceptibly, while the oil level in the crankcase will rise. At this point, signs of exterior water leakage will show.A more serious form of internal leak would be one within the engine where the coolant, leaks into the cylinders through a leaky head gasket. This type of leak will usually show up when combustion gases are pushed into the jacket water when the engine is running and under load.