If its really full of crud/bugs/mouse poop you may want to remove it & flush it upside down so the crud exits the cap hole. Also you can shake it around to help loosen stuff. Brian


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6