WebApr 29, 2024 · GM had a Tech-link article on carbon buildup and a process for the dealers to perform to clean said deposits using an injected cleaner into the air intake with engine running. There must have been a problem with that … WebMay 30, 2007 · A cheaper and easier thing to do than make a blockoff plate is to do like Matt C suggested and install the J code gaskets. They have a small metal plate that goes where the EGR port is so it is basically a ready-made blockoff plate. Go to the local auto parts place and the gaskets should be less than $20.
How to Clean Intake Valves in Your Car with a Spray Cleaner
WebJul 12, 2024 · The factory service manual recommends it at 15,000 miles intervals "before expensive mechanical cleaning is required." Carbon build-up on the backsides of intake valves no longer cleaned by a spray of fuel from the port injector has always been the downside of our DI engines. I asked the dealer for a price. Sounds like a scam but this … WebFeb 19, 2014 · Thought I would cover cleaning the intake valve deposits manually. Tools needed are 10mm & 13mm socket & ratchet wrench to remove the IM, a 19mm (3/4") socket to turn the crank as you move from port to port to ensure both valves are in the closed position, various long picks or narrow flat blade screw driver, and a set of 1/4" hex end … thermoplongeur en anglais
Best Fuel Injector Cleaners for 2024 - CNET
WebNov 24, 2024 · CombatCarol said: 2024 2.8L Duramax. 45,000 miles. Purchased used, 1 owner. DPF failed at 44k miles, replaced under warranty. GM offers a Diesel Induction Service that is supposed to clean this out for around $300. Plan to have this done before the warranty runs out at 60k miles. WebJun 18, 2016 · GDI deposits are very hard and abrasive crystalline and only a small portion will be loosened with a solvent based engine running cleaning. Those that are broken loose are similar to pouring some sand in your intake as the hard abrasive particles cause scouring and damage. WebMar 12, 2024 · Took a lot of picking and Brakleen to clean all 8, but the hardest part was reassembling the stupid intake manifold inside the engine bay. I'd be curious to know if GM is including anything to mitigate buildup in the intake tract along with using the catch can. Certain DI motors (the European version of my R's engine, for example) also ... toy whipper snipper