2003 Toyota Pickup knocks when cold

2003 TOYOTA PICKUP
90,000 MILES • 4 CYL • 2WD • MANUAL
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WAYNE1964
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Since my truck turned 90,000 miles it started having a knocking sound on cold mornings. i have always changed the oil every 3000 miles as I drive for the long term. what is going on?

Thanks wayne
Dec 20, 2009 at 4:54 PM
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RASMATAZ
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If its knocking on the top end of the engine sound like a lifter/s leakdown problem
Dec 20, 2009 at 5:01 PM