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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="mrlrd1" data-source="post: 13228788" data-attributes="member: 94513"><p>I've seen multiple guides break all across the modular engine family. Every single one was neglected.</p><p></p><p>If you're in there and have timing chain problems, replace EVERYTHING. The seals for the tensioners are probably torn. Chains stretch, guides wear, oil galleys and VCT solenoids clog due to lack of oil maintenance.</p><p></p><p>So...</p><p></p><p>left and right tensioners</p><p>2 phasers</p><p>2 chains</p><p>all 4 guides</p><p>remove VCT solenoids and clean screens and oil galleys with compressed air</p><p></p><p>The phasers may be cost prohibitive but they will fail eventually. Better to do them now. It starts with a light knock and gets worse - starts to sound like a diesel. By that time it will have erratic valve timing and cause all sorts of driveability problems.</p><p></p><p>Valve cover gaskets and timing cover gaskets can be reused. The passenger side valve cover does not have to be removed. Just unbolt it and pull it up out of the way - no need to open up the AC system for accumulator removal. </p><p></p><p>Tell them 20-30 times: Use 5w20 oil and no cheap oil filters.</p></blockquote><p></p>
[QUOTE="mrlrd1, post: 13228788, member: 94513"] I've seen multiple guides break all across the modular engine family. Every single one was neglected. If you're in there and have timing chain problems, replace EVERYTHING. The seals for the tensioners are probably torn. Chains stretch, guides wear, oil galleys and VCT solenoids clog due to lack of oil maintenance. So... left and right tensioners 2 phasers 2 chains all 4 guides remove VCT solenoids and clean screens and oil galleys with compressed air The phasers may be cost prohibitive but they will fail eventually. Better to do them now. It starts with a light knock and gets worse - starts to sound like a diesel. By that time it will have erratic valve timing and cause all sorts of driveability problems. Valve cover gaskets and timing cover gaskets can be reused. The passenger side valve cover does not have to be removed. Just unbolt it and pull it up out of the way - no need to open up the AC system for accumulator removal. Tell them 20-30 times: Use 5w20 oil and no cheap oil filters. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
2005 5.4L ford f150 trouble
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