Changing the thermostat on the Audi 2.8 V6 engine is way totally different from an American V6 car as a result of the thermostat is situated to the fitting of the engine crank on the front of the engine. This makes it very tough to succeed in because of restricted house. Audi suggests eradicating the timing belt, however if you happen to work fastidiously it’s attainable to remove the thermostat with out incurring the time wanted to remove and reinstall the timing belt.
Audi 2.8 Thermostat Installation Instructions
Place a ground jack below the transmission cross member and jack the front of the Audi off the bottom. Place a jack stand on every A-Arm and lower the automobile onto the jack stands. Be certain that the emergency brake is in place or a wheel chuck is positioned behind the rear tires to forestall the car from rolling backwards when you work on it.
Place a drain pan beneath the petcock of the radiator and drain the radiator fluid into the pan. Relying on the age of the Audi, the petcock could also be onerous to open on account of publicity to street grime and salt over time. Use a pair of pliers however be cautious because the valve simply breaks if extreme power is used. As soon as the fluid drained, shut the petcock.
Hint the lower radiator hose from the radiator to the placement the place the hose connects to the engine. The placement is to the best of the engine crank and could also be tough to see from underneath the car. Relying in your consolation stage, chances are you’ll wish to full the remainder of the job from the highest of the engine, not the underside.
Take away the radiator hose from the thermostat cowl by squeezing the 2 metallic tabs situated collectively on the retention band clamp. A pair of needle-nostril pliers is usually recommended for this activity. With the tabs squeezed collectively, pull the radiator hose off the quilt.
Take away the 2 bolts that safe the quilt to the engine block with a boxed-finish wrench. Sadly, there’s not sufficient room for a ratchet. To remove the bolts, make brief quarter turns of the wrench, as that’s all that’s potential within the restricted house. With the bolts eliminated, pull the quilt off the engine block.
Take away the gasket O-ring that matches into the underside of the thermostat cowl. If the quilt doesn’t have an O-ring, examine the engine block for it. It generally sticks to the engine block.
Pull the thermostat out of the engine block. Take observe that the top with the pin stands out of the engine block. Place the brand new thermostat into the engine block so it stands proud in the identical method.
Place the thermostat cowl again over the thermostat and thread the bolts in so far as you possibly can together with your fingers. Tighten the bolts with a boxed wrench.
Reattach the lower radiator hose to the thermostat cowl. It helps to slip the clamp backwards on the hose after which push the hose onto the duvet with out the clamp. Then use the pliers to squeeze the tabs and slide the clamp into place.
Fill the radiator with a 50/50 mixture of radiator fluid and distilled water.
