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ticking sound

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Old 02-09-2009, 09:12 PM
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Year: 1989
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Engine: 4.0
Default ticking sound

Anybody have any ideas...my 89 xj has a ticking right under the front of the valve cover. As it warms up the ticking will come and go...and it is pretty loud. I understand I cannot adjust the valves..any miracle oil I can add or ? thanks
Old 02-09-2009, 09:15 PM
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My guess is sticking lifters. Try seafoam
Old 02-09-2009, 10:34 PM
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I'd say pull the valve cover off and take a look under there to see whats up. It will take only a few min. to take it off, but you should replace the gasket while you're at it. But I'd say Sticking lifters sounds likely
Old 02-09-2009, 11:03 PM
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Id go with sea foam,and change the oil with high mileage and a quart of lucas. Then if that does not help pop the cover.
Old 02-10-2009, 10:38 AM
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thanks everybody...
Old 02-10-2009, 10:45 AM
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It's a bomb...............run for your life. LOL
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