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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Rod Knock or Detonation Knock???
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<blockquote data-quote="19RaptorPB" data-source="post: 1476286" data-attributes="member: 34005"><p>I get that but let me explain a little bit... I first heard the “knock” at about 6,000 miles. It was a noise that I didn’t hear before and it forced me to check the oil. When I checked the oil I was two quarts low. I brought it to the dealer. They ran the oil consumption test which the truck failed and they proceeded with the valve cover replacement and PCV system replacement. I mentioned the knock to them and they never said they found anything but it never went away. </p><p></p><p>What I don’t know for sure is if it’s just the exhaust note, a detonation knock, rod knock or something on the top end. I can’t help but think about what was starved for oil when I was two quarts low. </p><p></p><p>All that being said - I’m about to install the COBB stage 2 kit and most certainly will raise suspicion to the dealer. No matter how cool they are about upgrades, if the perceived noise gets louder in 10,000 miles I will surely have a hard time getting work done under warranty.</p><p></p><p>I’m well aware that the noise I’m hearing is more paranoia but wanted to get opinions and thoughts before I started ripping my front end apart.</p><p></p><p></p><p>Sent from my iPhone using Tapatalk Pro</p></blockquote><p></p>
[QUOTE="19RaptorPB, post: 1476286, member: 34005"] I get that but let me explain a little bit... I first heard the “knock” at about 6,000 miles. It was a noise that I didn’t hear before and it forced me to check the oil. When I checked the oil I was two quarts low. I brought it to the dealer. They ran the oil consumption test which the truck failed and they proceeded with the valve cover replacement and PCV system replacement. I mentioned the knock to them and they never said they found anything but it never went away. What I don’t know for sure is if it’s just the exhaust note, a detonation knock, rod knock or something on the top end. I can’t help but think about what was starved for oil when I was two quarts low. All that being said - I’m about to install the COBB stage 2 kit and most certainly will raise suspicion to the dealer. No matter how cool they are about upgrades, if the perceived noise gets louder in 10,000 miles I will surely have a hard time getting work done under warranty. I’m well aware that the noise I’m hearing is more paranoia but wanted to get opinions and thoughts before I started ripping my front end apart. Sent from my iPhone using Tapatalk Pro [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Rod Knock or Detonation Knock???
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