making tapping noise. on 1999 Ford Ranger

have had the camshaft sync changed, just had the cluthch and release bearing changed yesterday, changed out rear mian seal while changing clutch changed oil and filter when changed clutch. drove about 10 miles shut the truck off for about 2 hrs when I crank it now it makes a tapping or knocking noise for a minute or so. didnt do it before i had clutch,oil seal and oil changed. any ideas/

Asked by for the 1999 Ford Ranger