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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Exterior Forum [GEN 2]
Cam Phasers Replacement
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<blockquote data-quote="RedRptr" data-source="post: 1548444" data-attributes="member: 44396"><p>So, I pulled out the service records from both repairs to make sure I got this right:</p><p></p><p>8/29/19 was the first repair, it was flagged as 6256AT: camshaft sprocket or VCT. Found loose spring on one tensioner and excessive movement in other phaser units. Installed 4 new phaser sprocket, reset base timing and reassembled.</p><p></p><p>2/3/20 was the second repair. SSM 48445 referenced in notes. Reprogrammed PCM and still rattled. Replaced all 4 phasers per hotline and ssm 48445. Relearned misfire profile correction and test drive. </p><p></p><p>So I was incorrect in timing chain, my apologies. </p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="RedRptr, post: 1548444, member: 44396"] So, I pulled out the service records from both repairs to make sure I got this right: 8/29/19 was the first repair, it was flagged as 6256AT: camshaft sprocket or VCT. Found loose spring on one tensioner and excessive movement in other phaser units. Installed 4 new phaser sprocket, reset base timing and reassembled. 2/3/20 was the second repair. SSM 48445 referenced in notes. Reprogrammed PCM and still rattled. Replaced all 4 phasers per hotline and ssm 48445. Relearned misfire profile correction and test drive. So I was incorrect in timing chain, my apologies. Sent from my iPhone using Tapatalk [/QUOTE]
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Ford Raptor Exterior Forum [GEN 2]
Cam Phasers Replacement
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