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SVTPerformance's Chain of Restaurants
Road Side Pub
2005 5.4L ford f150 trouble
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<blockquote data-quote="kevinatfms" data-source="post: 13231803" data-attributes="member: 39344"><p>IIRC, you will also want to replace the oil pressure manifold on the passenger side bolted to the front of the cylinder head.</p><p></p><p>They were known to cause oil starving issues to the camshafts, guides and tensioners. I cannot remember the part number off hand but it is held on by (2) 8mm or 10mm bolts and controls oil flow through the head. They were updated mid 07 after the earlier ones caused clogging issues with the VCT solenoids.</p><p></p><p>As for the A/C, r&r the outlet tube and remove the passenger side valve cover. check the cam for wiped lobes on the #3 and #4 cylinders intake lobes. They were known to get gritty or flat when the guides went.</p><p></p><p>One final note, if you like, replace the plastic 3v tensioners with the 2v metal tensioners. They are direct bolt in and are less prone to cracking around the bolt holes due to technician faults(over tightening).</p><p></p><p>Good luck!</p><p></p><p>EDIT: also, remind whoever is using the truck that the filter needs to have an anti-drainback valve. some cheap filters come with them, most do not and cause heavy oil starvation on startup after a cool down period or during full cold starts.</p></blockquote><p></p>
[QUOTE="kevinatfms, post: 13231803, member: 39344"] IIRC, you will also want to replace the oil pressure manifold on the passenger side bolted to the front of the cylinder head. They were known to cause oil starving issues to the camshafts, guides and tensioners. I cannot remember the part number off hand but it is held on by (2) 8mm or 10mm bolts and controls oil flow through the head. They were updated mid 07 after the earlier ones caused clogging issues with the VCT solenoids. As for the A/C, r&r the outlet tube and remove the passenger side valve cover. check the cam for wiped lobes on the #3 and #4 cylinders intake lobes. They were known to get gritty or flat when the guides went. One final note, if you like, replace the plastic 3v tensioners with the 2v metal tensioners. They are direct bolt in and are less prone to cracking around the bolt holes due to technician faults(over tightening). Good luck! EDIT: also, remind whoever is using the truck that the filter needs to have an anti-drainback valve. some cheap filters come with them, most do not and cause heavy oil starvation on startup after a cool down period or during full cold starts. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
2005 5.4L ford f150 trouble
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