I also cleaned inside the manifold and then ran it through with some compressed air to make sure there were no fibres lingering. It was still very accessible and i cleaned it there using a rag and some WD40. I found that getting the ETM was very easy and all I had to do was undo the main air house which had a jubiulee clip, move it to one side, remove the 4 bolts on the ETM and clean it while the cable to the manifold was still attached (I couldn’t work out how to unattach it). We feature the Volvo Repair Database, the best Volvo Forum, and an awesome monthly Volvo newsletter. Welcome to Volvo news, help and DIY fixes. You’ll smile from ear to ear, and you just saved yourself several hundred dollars!! Put the ETM back on the car, and take it for a test drive. Think of the brush as doing the work, and the carb cleaner just for rinsing-this will keep you from going overboard with the carb cleaner.Īfter it’s cleaned, it should look like this: You can push the throttle plate open and closed as you are cleaning. Don’t flood the ETM with carb cleaner, use it inside the throat only because there is a lot of electronics inside. This was time consuming, but stick with it until it is ALL off. I used carb cleaner, and a small brass wire brush to sort of scrub the inside throat of the ETM, and the brass round throttle plate itself. Here’s what both sides of the ETM throat look like before cleaning it: To remove the ETM, remove the 4 corner bolts holding it to the intake manifold using a ¼” ratchet and 10mm socket with a short 2-3 inch extension.Removing the hose clamps works best with a ¼” ratchet and a socket, and is done by feel.I next removed the plastic tube from the inlet to the ETM.I also removed the turbo hose running past the oil dipstick.I removed the entire air cleaner housing, and the air inlet tube from the radiator area.The car runs and idles great!! I should have done it months ago! ETM Cleaning Procedure It only took about 2 hours, and it made all the difference in the world. Not a half assed attempt, but a remove it from the car, and a good workbench cleaning inside and out. I knew the ETM was covered by warranty, but the ETM had been replaced before, and the dealer said they would need to try a cleaning before they would consider a replacement of the ETM under the 10 year or 200,000 mile warranty. It is not difficult but requires patience. Thank you so much for the directions on how to do it. What a difference that made, it blew my hair back when I hit the accelerator. “The one greatest fix and cheapest was the cleaning of the ETM. I was having a problem with a very erratic idle, and the car would stall sometimes in stop and go traffic, especially when the AC compressor was running.
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