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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Cam Phaser/ Engine Failure Poll
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<blockquote data-quote="WraptorBoy" data-source="post: 1413584" data-attributes="member: 33804"><p>I don't have the issue but I can give more info from what I know.</p><p></p><p>Some have driven with it and continue to drive with it. I mean, if you remote start the engine all the time, you'd never know you had the issue. I believe I read somewhere in the ten of thousands of miles (like 30s, 40s and 50s if I remember). Dealers mostly tell people to drive until the parts come in. If the phasers fail completely, I would guess there would be a noticable change in engine performance because the timing would be affected and they may fail in an undesirble position. I would think the timing phasing would not be so dramatic that if the phasers failed the engine would destroy itself. I think it may stall or not start (my logical guess).</p><p></p><p>One tech on this forum says it's not damaging as dealers are telling everyone they can drive with the issue until parts come in (weeks to months).</p><p></p><p>I believe the noise is caused by the phasers rattling back and forth until enough oil feeds them (1-2 seconds) to provide pressure to stabilize them. Once pressure is achieved, the rattle stops and they start phasing the timing as needed. The purpose of the phasers is for fuel economy and probably better cold engine performance. When the engine is cold you get one range of timing and when the engine is hot you get another range of timing etc etc. From this context, it seems damage would not be caused other than to (<u>possibly</u>) the phasers themselves by the unforseen rattle. Again my logical guess.</p><p></p><p>The other concern is the timing chain tensioners. They are also pressure sensitive (via oil) so when they receive the proper pressure (probably the instant you start the engine) they govern the tension of the timing chain(s).</p><p></p><p>It's been a while since I went through the entire thread so, to be honest, I don't remember if these two things are related or if they are just two complete different systems or should even be included in the same conversation.</p><p></p><p>Your warranty if 5yr/60K but you may as well get it done. I know I wouldn't want my engine opened up either but what can ya do?</p></blockquote><p></p>
[QUOTE="WraptorBoy, post: 1413584, member: 33804"] I don't have the issue but I can give more info from what I know. Some have driven with it and continue to drive with it. I mean, if you remote start the engine all the time, you'd never know you had the issue. I believe I read somewhere in the ten of thousands of miles (like 30s, 40s and 50s if I remember). Dealers mostly tell people to drive until the parts come in. If the phasers fail completely, I would guess there would be a noticable change in engine performance because the timing would be affected and they may fail in an undesirble position. I would think the timing phasing would not be so dramatic that if the phasers failed the engine would destroy itself. I think it may stall or not start (my logical guess). One tech on this forum says it's not damaging as dealers are telling everyone they can drive with the issue until parts come in (weeks to months). I believe the noise is caused by the phasers rattling back and forth until enough oil feeds them (1-2 seconds) to provide pressure to stabilize them. Once pressure is achieved, the rattle stops and they start phasing the timing as needed. The purpose of the phasers is for fuel economy and probably better cold engine performance. When the engine is cold you get one range of timing and when the engine is hot you get another range of timing etc etc. From this context, it seems damage would not be caused other than to ([U]possibly[/U]) the phasers themselves by the unforseen rattle. Again my logical guess. The other concern is the timing chain tensioners. They are also pressure sensitive (via oil) so when they receive the proper pressure (probably the instant you start the engine) they govern the tension of the timing chain(s). It's been a while since I went through the entire thread so, to be honest, I don't remember if these two things are related or if they are just two complete different systems or should even be included in the same conversation. Your warranty if 5yr/60K but you may as well get it done. I know I wouldn't want my engine opened up either but what can ya do? [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Cam Phaser/ Engine Failure Poll
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