F 150 2WD Pickup V8-5.4L SOHC VIN 5 (2004)
Valve Clearance: Specifications
General Specifications
Valve Clearance
Valve arrangement (front to rear) - LH .......................................................................................................................................... I-E-1-I-E-1-I-E-1-I-E-I
Valve arrangement (front to rear) - RH ......................................................................................................................................... I-E-1-I-E-1-I-E-1-I-E-I
Valve guide bore diameter ........................................................................................................................................ 6.015-6.044 mm (0.237-0.238 inch)
Valve stem diameter - intake ..................................................................................................................................... 5.975-5.995 mm (0.235-0.236 inch)
Valve stem diameter - exhaust ..................................................................................................................................... 5.95-5.97 mm (0.234-0.235 inch)
Valve stem-to-guide clearance - intake ..................................................................................................................... 0.020-0.045 mm (0.001-0.002 inch)
Valve stem-to-guide clearance - exhaust ................................................................................................................... 0.069-0.094 mm (0.003-0.004 inch)
Valve head diameter - intake ..................................................................................................................................... 33.62-33.98 mm (1.324-1.338 inch)
Valve head diameter - exhaust .................................................................................................................................. 37.32-37.68 mm (1.469-1.483 inch)
Valve face runout ............................................................................................................................................................................. 0.05 mm (0.002 inch)
Valve face angle ........................................................................................................................................................................................................ 45.5°
Valve seat width - intake ................................................................................................................................................... 1.2-1.4 mm (0.047-0.055 inch)
Valve seat width - exhaust ................................................................................................................................................. 1.4-1.6 mm (0.055-0.063 inch)
Valve seat runout .............................................................................................................................................................................................................. -
Valve seat angle ................................................................................................................................................................................................ 44.5-45.00
Valve spring free length ..................................................................................................................................................................... 55.7 mm (2.19 inch)
Valve spring compression pressure at specified height .......................................................... 350 N (79 lbs.) ± 17.5 N (4 lbs.) @ 42.04 mm (1.66 inch)
Valve spring compression pressure at specified height ........................................................... 760 N (171 lbs.) ± 39 N (9 lbs.) @ 31.04 mm (1.22 inch)
Valve spring installed height ........................................................................................................................................................... 42.04 mm (1.66 inch)
Valve spring installed pressure ............................................................................................... 350 N (79 lbs.) ± 17.5 N (4 lbs.) @ 42.04 mm (1.66 inch)
