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How do you change an Audi A4 thermostat?
- Step 1 – Remove serpentine belt. Use your 17mm wrench to push the tensioner down, this will allow the belt to come loose.
- Step 2 – Remove the alternator.
- Step 3 – Remove radiator hose.
- Step 4 – Lower radiator hose.
- Step 5 – Remove coolant lines.
- Step 6 – Remove thermostat.
- Step 7 – Install new thermostat.
Is it hard to replace a thermostat in a car?
If the thermostat sticks in the open position, it doesn’t keep the liquid in the engine long enough, so you have trouble getting your car warmed up. Because replacing the thermostat is quite simple and thermostats are quite inexpensive, you may want to try this task before you take more drastic measures.
What causes an Audi A4 to overheat?
While there are a variety of reasons your Audi A4 is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
How much is a thermostat for an Audi A4?
The average cost of a Audi A4 thermostat is between $6.89 and $63.99.
Where is the thermostat located on a 2004 Audi A4?
The thermostat on the Audi A4 is locating in located below the intake manifold and behind the alternator. To replace the thermostat you will need to drain the coolant and move the lock carrier to the service position.
What makes car thermostat go bad?
The thermostat on a vehicle is the component that opens and closes to allow coolant to flow in and out of the engine. Sometimes the thermostat fails and must be replaced; there are four main reasons for failure: overheating, sludge, defect and age.
Where is the thermostat housing?
The thermostat housing is located in the engine in between the engine and the radiator. When the engine cools off below the operating temperature, the thermostat housing is closed. The engine’s closed-off part allows the coolant to properly and effectively circulate and move through the engine.
How do you know a thermostat is bad?
HVAC system won’t turn on: The most obvious sign of a bad thermostat is that the HVAC system in your building won’t turn on or respond to the thermostat. You should be able to turn on your heating or cooling system from the thermostat, or change operation back and forth from heating to cooling.
Is it OK to drive without a thermostat?
Most automobile mechanics will tell you it is not a good idea to drive your car without a thermostat installed. If your thermostat becomes stuck in the closed position, though, this will cause your engine to overheat and make driving your car impossible.
Where is the thermostat located on an Audi A4?
The thermostat in the Audi A4 is sealed in the housing and cannot be replaced separately. The thermostat on the Audi A4 is locating in located below the intake manifold and behind the alternator. To replace the thermostat you will need to drain the coolant and move the lock carrier to the service position.
How do you replace the radiator on an Audi A4?
Replace the pan the sits across the bottom of the engine of your Audi A4 and then refill the radiator with coolant and put the radiator cap back on the radiator. Remove the wood block from the back tire of your vehicle. Turn the engine on and drive the Audi A4 off of the car ramps.
Where is the thermostat located in a car?
Located between the radiator and the engine, it moderates the flow of coolant into the engine by releasing it when the engine need it the most. The thermostat is designed to open its valve once the temperature of the engine reaches about 200 degrees F.
When to replace the thermostat on your car?
Click here to order! The thermostat helps control the engines temperature. If your car is running too hot and there is the proper amount of coolant in the car and it is not leaking, or your car is taking a long time to warm up, there is a very good chance your thermostat is bad and needs to be replaced.