Question about Cars & Trucks
Change the oil and filter. Add some RISLONE to the oil. It has been around as long a hyd lifters. It should clean the sludge/varnish from the lifter and the noise will go away.
Posted on Dec 31, 2013
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Posted on Jan 02, 2017
Your lifters have become clogged over the years. Its only after the oil warms up and thins out does it allow oil to "pump up" the lifters. That's why it goes quiet after 5 min. There are several different brands of additives on the market that can fix this problem ,unless you have a more serious mechanical problem, which I doubt.Check your local auto parts store for the additive. Just add it to your oil and "wham!" problem solved. Good Luck!
Posted on Jun 16, 2009
either a switch is bad or a electrical operated door failed within the duct work. . This vehicle has the abililty to set a code for this condition and only the dealer and some shops have the diagnostic equipment to diagnose this cortectly the first time.
Posted on May 16, 2010
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