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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | MountainManJoe | Submit Your Question HERE | |
| Hm, interesting. To some degree, GM must be right. I don't think they would make such an official public document like this unless there was some truth to it. Otherwise, if it was later found out the engines had a serious and common flaw which caused this noise (for instance by a mechanic who tore an engine down and found evidence), then that would look really bad. GM could be accused of negligence and trying to cover it up. But I have a different issue with this bulletin. It's too ambiguous. Let's say an engine had a legitimate defect, and it made a noise that could be described by the very vague term "tick". This bulletin is a basically a free pass for dealerships (who have an incentive to avoid warranty works as much as possible) to sweep any noisy engine problem under the rug. I think GM should have included very thorough diagnostic procedures to sort out which reports of noise are in fact benign, and which could be symptom of a real problem that needs to be addressed. | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Hixster | Submit Your Question HERE | |
| "DEF Injector Noise: A tick noise may be heard coming from under the vehicle and typically it is heard at low vehicle speed and especially next to a building, such as when going through a drive through. The noise is from the DEF Injector and is considered a normal operating condition." Is this what the dealership told you was the source of your noise? | |||||
| RE: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| What's worse is that no noise on factory oil, or after the first 2 oil changes just happens to appear after 3rd one? | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| GM Bulletin for L5P typewriter tick as normal. this bulletin was printed for me at each dealership with updated manufacture dates. | |||||
| RE: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Hixster | Submit Your Question HERE | |
| GM says that typewriter clicking sound is normal? Unbelievable... | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | MountainManJoe | Submit Your Question HERE | |
| sounds nasty. What does GM say causes it? Do you have a link to the bulletin? | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| RE: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Chuck Tobias | Submit Your Question HERE | |
| See the "READ THIS FIRST - Forum Guide" topic near the top of the home page. | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| The ticking is at its loudest point near the oil pan right next to where the transmission bolts to the engine. I have a video of it, not sure how to post it on this forum. But it is an irregular noise that does increase repitition with RPM but does not imitate RPM at idle. | |||||
| Answer to: Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | MountainManJoe | Submit Your Question HERE | |
| where is the ticking coming from? Maybe it's just the injectors. | |||||
| Ticking noise brand new 2022 Duramax engine! | 12Relevance | 3 years ago | Kurtvw1221 | Submit Your Question HERE | |
| Scotty I bought a new Chevy hd truck last year and now after it’s 3rd oil change it’s making the dreaded “typewriter” tick out of nowhere. Wondering if this is an issue I should worry about or just take GM’s word for it and just live with it? They’ve had a bulletin out for these trucks and can’t believe this is a noise people should just live with. Hopping you could shed some expert insight to why this noise happens and if GM is telling the truth about it not effecting the engine reliability. | |||||
| RE: GM EcoTec3 or Duramax diesel opinions | 12Relevance | 3 years ago | Kaizen | Submit Your Question HERE | |
| GTK. Thanks! | |||||
| RE: GM EcoTec3 or Duramax diesel opinions | 12Relevance | 3 years ago | Dad2LM2 | Submit Your Question HERE | |
| @kaizen, there is a deactivation switch for the auto start/stop, only. It has to be turned off every time you start the truck, but it's just a minor thing. It also turns off automatically in tow/haul mode. Cylinder deactivation is a different problem. I don't think you can turn it off without reprogramming the ECU (and voiding the warranty), and I don't think tow/haul affects it. Even if you did reprogram it to run all 8 cylinders all the time, you still have the fact that the mechanical parts in the engine are needlessly complex and prone to failure. That's why it was a deal-breaker for me on the gas V8's; if the 3L diesel had not been available, I would have waited for a Tundra (even knowing about the turbo waste-gate issue. | |||||
| RE: GM EcoTec3 or Duramax diesel opinions | 12Relevance | 3 years ago | Kaizen | Submit Your Question HERE | |
| Is there a way to turn off cylinder activation at a push of a button? Or is it next to impossible without heavy modifications? | |||||