Water that does not pass through the exhaust valve and manifold gets compressed by the piston. Just serviced at 8400 miles. It's literally twice as often as the service schedule. turbocharger) / Engine cooling / Cooling system, coolant / Coolant hose schematic diagram Note. I’ve lost an inch of coolant in the reservoir but the coolant system held pressure and didn't lose coolant … The coolant mixes with the oil into a brown or cream-colored frothy consistency. It could be a blown head gasket, a fractured cylinder head, damaged cylinder bores, or a manifold leak. Logged 2016 Mk7 Golf GTD - Reflex Silver with stuff. Obvious coolant leaks can usually be found in the form of puddles left on the pavement. Volkswagen GTI / Golf MK7 General Topics. Stevenson holds a P.D.S Toyota certificate, ASE brake certification, Clean Air Act certification and a California smog license. Engine cooling temperature went to 120c and problem is in waterpump (ring was blocked) First a warning on dash, topped it up with proper VW coolant. For the coolant issue i was advised to have the EGR cooler replaced, however thereafter it is still losing coolant. It may sound ghostly if you think of coolant loss, no visible leak. Theres no mayo in the oil or oil in the expansion tank so i hope that rules out the head gasket? Hi All I thought I would post my problem here in the hope someone could give me an idea as to why my Golf is slowly losing coolant. Using a temperature gauge will tell you whether the engine is running hotter than usual or not. Have 10,000miles on the GTD and the coolant level light came on, so checked it and it was a good 2cm below the min line, ... My mk6 had 25000 miles and was losing water weekly. Coolant loss. Tech Talk. I did have the EGR valve replaced recently if that gives any ideas Could it be the water pump? 7 Things I Learned After Living With A Mk7.5 Golf GTI For Two Months. GTD using coolant. A poorly maintained antifreeze system, defective components, or a rapid change is the driving style may contribute to this coolant disappearing. The loss of coolant often trips the low coolant warning if the level isn't maintained. It doesn't seem to be enough to ever leave a puddle but slight residue may be seen under the thermostat housing and possibly on the oil pan. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. JackReacher. Loss of the liquid can lead to the overheated condition but overheating can also contribute to the coolant loss. 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. My engine has had some parts replaced by my local VW dealership and through their negligence I️’m now low on engine coolant. Facts and Fallacies! A radiator cap, which has a circular gasket seal under it, keeps pressurized coolant from escaping from the top neck connection. Your Car Is Losing Coolant But No Leak: What Should You Do? Losing Coolant But No Leak: Where Is My Coolant Going? If this is the case, take the car to a mechanic to find out the causes of overheating. 177 months. But Golfs have always had a knack of adding up to more than the sum of their parts, and the Mk7 GTI was no exception. Getting Smells of Antifreeze? Volkswagen Golf Service & Repair Manual / 4- cylinder injection engine(1.4 1 direct inction. Any of these issues can destroy the engine if it is going for too long. 10 Best Tire Companies In The World [Updated In 2021], Top 6 Causes of Steering Wheel Hard to Turn and Solutions, 5 Reasons Make Your Car SHUTS OFF While Driving – 4 Steps To Do, Learn How To Fix Turn Signal Blinking Fast With 3 Simple Steps, White Smoke From Exhaust: Main Causes and How to Fix, Troubleshooting Catalyst Monitor Not Ready Issue In 7 Simple Steps. If the expansion valve becomes stuck open, it allows a constant flow of pressurized coolant to enter the reservoir, where it turns to steam. So lately I’ve been having an issue with my Golf’s coolant levels. My new Golf Mk7 GTD 184 bhp TDI DSG has had some teething problems . A more mysterious coolant loss problem involves no evidence at all of leaks or puddles, yet shows a definite reduction in radiator coolant levels. Mk7 engine coolant type? There’s a COLD/MIN label on the tank indicating the ideal antifreeze level when the engine is cold. His automotive vocation has spanned more than 35 years and he authored the auto repair manual "Auto Repair Shams and Scams" in 1990. Mechanical failures in the cooling system are one of the main reasons cars break down on the highways. If the head gasket on the vehicle has weakened or burned, it can crack or blow open a water jacket that sits in proximity to the top of the combustion chamber. A high rpm shift on a tuned engine could recirculate a tiny amount of oil, enough to chuck a bit of blue smoke out.