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How to Install a Wastegate on a Turbo

Turbochargers are air compressors that sit on an engines air intake. The turbocharger is powered by the engines own exhaust gases. The wastegate regulates the flow of the exhaust gas in order to control the turbocharger revolutions per minute. Every turbocharger has a slot on the exhaust manifold hookup for a wastegate valve. The previous wastegate valve has to be removed before a new one can be installed. Additionally, you must use a wastegate compatible with your turbocharger setup or too much gas may be pumped into the turbocharger.

Instructions

1

Drive the car somewhere out of the way, or tow it if the wastegate is broken. Driving a turbocharged car with a damaged wastegate can seriously damage the turbocharger and the engine. Place the car in park and turn off the car. Pull the hood release latch and then prop the hood up with the prop stick. Disconnect the black wire from the car battery to ensure that the cars circuits are dead.

2

Locate the wastegate valve on the turbine side of the turbocharger. The wastegate is a small metal valve bolted onto the turbochargers exhaust feeder pipes. Disconnect the control wire from the wastegate and place it to the side. Use a wrench to unbolt the two bolts that secure the old wastegate to the turbocharger. Pull the wastegate out, being caul not to scrape the sides of the hole.

3

Slide the new wastegate into the hole on the exhaust feeder pipe. Slide in the bolts and screw them down by hand. Once both bolts are down, wrench them down flush with a wrench. Plug in the control wire into the side of the wastegate. Make sure there is no packing material stuck in the valve. Reconnect the black wire on the car battery and then shut the hood. Turn on the car and take it for a test drive.