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SportTrac Discussion
Engine & Drivetrain
Engine Ping
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<blockquote data-quote="Yardsale " data-source="post: 1023846" data-attributes="member: 58988"><p>Those tensioners are spring-hydraulic tensioners. The spring applies enough tension for startup until the oil pressure builds. The typical failure for these is the spring weakens and a rattle can be heard for a few seconds at startup. I haven't heard of the hydraulic tensioner portion failing, but it could.</p><p></p><p></p><p></p><p>A timing chain rattle would typically be less pronounced than a valve float rattle or ping. Valve noise can be from fuel, cam(s), valve springs, timing ...</p><p></p><p></p><p></p><p>I think that no one can say the condition of the engine without proper diagnosis.</p><p></p><p></p><p></p><p>While it's not my first choice, sometimes, after some investigation, it is efficient to bring it to a shop.</p></blockquote><p></p>
[QUOTE="Yardsale , post: 1023846, member: 58988"] Those tensioners are spring-hydraulic tensioners. The spring applies enough tension for startup until the oil pressure builds. The typical failure for these is the spring weakens and a rattle can be heard for a few seconds at startup. I haven't heard of the hydraulic tensioner portion failing, but it could. A timing chain rattle would typically be less pronounced than a valve float rattle or ping. Valve noise can be from fuel, cam(s), valve springs, timing ... I think that no one can say the condition of the engine without proper diagnosis. While it's not my first choice, sometimes, after some investigation, it is efficient to bring it to a shop. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Engine Ping
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