The coolant flange holds the ECT (Engine Coolant Temperature Sensor) and is connect to the back of the engine head. You could either drain the engine coolant at the water pump or just leave whatever you have in there and see how much comes out.
Where is the coolant flange?
The Coolant Flange is a housing for the engine coolant temperature sensor which is usually located at the rear of the engine.
What kind of coolant does a 2003 Volkswagen Passat take?
Volkswagen uses a specific Audi/VW G13 or G12 approved antifreeze. The exact kind that your particular model uses should be stamped on the expansion tank, as well as listed in the owner’s manual. Volkswagen coolant is always pink or purple in color. Use the same color that your vehicle already has if you’re topping up.
What is the flange on a car engine?
An exhaust flange is a piece of metal that bolts directly to the engine of your vehicle and allows for custom headers to be fabricated. They still require an exhaust gasket between the header flange and the engine/head.
What is water flange?
The water flange is used as thermostat housing and as a connector between different pipes of the cooling circuit. Its function is to assure the flow of the cooling liquid and to maintain optimum coolant temperature to ensure proper functioning of the engine.
What type of coolant does Audi use?
Your BMW, Porsche, Mercedes Benz, Audi or Volkswagen uses an HOAT coolant. HOAT coolants are derived from OAT coolants with the addition of silicate to protect aluminum surfaces.
Why do I smell coolant after driving?
If you’ve noticed an odd, sweet smell coming from your car after you shut the engine off you might have an antifreeze leak. It’s part of your vehicle’s cooling system, which controls the engine’s temperature so that it runs properly and doesn’t overheat.
What is G12 coolant?
Print. Valvoline G12++ Coolant Concentrate is a concentrated product based on monoethylene glycol and contains Si-OAT corrosion inhibitor technology to protect against limescale, corrosion, foaming, etc. As modern engines have high operating temperatures, they can easily reach damaging temperatures.
Can I use G13 coolant instead of G12?
G13 is perfectly compatible with G12 systems Check out the chart below and our PDF for more information on coolant.
What happens if you put the wrong coolant in your car?
What Happens if You Use the Wrong Coolant? Using the wrong coolant or mixing different types together can hinder the car’s performance. It may also increase corrosion in the radiator. Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more.
