I haven't gotten a coolant warning, but my level is significantly below minimum and I think I'm going to add some G12++. Many high mileage cars show clean coolant passages with G12 even after 200,000+ miles! Adding engine coolant also known as antifreeze to your 2013 Volkswagen Passat is pretty easy. You may have to pull out the driver's side lower grille to get access to the drain. If you pollute, at least dilute. If you need to thoroughly flush the system, see the section below. I took it in and the dealer did a pressure test and it was fine.
This will let you pull it off much easier. Make sure you mix the coolant in a ratio of between 40-45% water and the rest of the solution coolant. It will turn brown and sludge. It is guaranteed comparable to the original manufacturer's standards to ensure premium quality and durability. Because that would take longer and the water pump would be starting on a dry system. I'm one of the lucky ones that have a pretty decent dealership. If your coolant is brown, a few things are possible.
If the engine is too hot then a cold flush could crank the engine because of the sudden temperature change. Removing the coolant reservoir cap on a warm engine could cause the cap to fly off at a high rate of speed and fluid to spray out of the reservoir. Just tell your vendor that you need G12 coolant because they are all compatible. It's either leaking out somewhere or is getting burned, and leaks never get smaller over time. The car failed in the evening, but that morning when leaving for work, the turbo made a split second choo-choo train whistle, but continued to function, although it felt like the turbo was free-wheeling and not really in sync with the actual boost.
Press on the clamps circled. Also note all warnings and precautions on the coolant and in the factory service manual. Repeat the bleeding procedure and top off the coolant. This article shows how to change it on your Passat or Audi A4, A6. It's best to flush a lukewarm engine. Do not drive the car in this condition, immediately change the oil and have oil and coolant flushed. Wear waterproof gloves, and take all precautions to avoid skin or eye contact.
Skip the paragraphs below and go to To refill coolant. Not unexpectedly see above post , I got a low coolant warning light this morning for the first time. If you can't find a disposal for used coolant, has a search for your local waste drop off. Not low enough to give any dash light. Dealer replaced the intercooler, egr and dpf. Remove the hose at the coolant reservoir and flush at the hose there.
You should also notice immediate pressurization of the coolant reservoir on a cold engine. Believe it or not, air bubbles at the water pump can erode the water pump and cause excess vibration over time so maintaining proper level of coolant prevents water pump failure, amongst other nasty problems. Do this with the engine running at first. You can also pour some distilled water into the upper radiator hose yellow rectangle to get clean out any stuff in there. If the level went down, drive around and then do it tomorrow.
If you open the reservoir while the coolant system is hot, scalding coolant could spray out so be very careful opening the coolant system while it's hot and pressurized! Do not drain your used car antifreeze onto the ground or into the sewer! Again, rotate the hose first before pulling it off. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners. Does this make any sense? To refill coolant: For a normal refill, first mix coolant with only distilled water. If the oil is contaminated, have it fixed immediately since contaminated oil can cause engine damage. Always wear safety goggles when working on your Passat. There will always be corners where there is lingering coolant but as long as the coolant is not contaminated, don't worry about a little old coolant.
If it's the oil cooler then the oil and coolant are mixing. This product serves as an exact replacement for the old factory units. Animals love its sweet taste, so even a spilling a small amount on your garage floor can end up in the dog's stomach pretty quickly. Remove the lower radiator hose too and what's replaced will be enough to keep the coolant in good condition. Then remove the oil cooler hose pictured above and flush it the same way as the heater core.