Codes should help for sure
this is what i have on speed sensor
Vehicle Speed Sensor (VSS)
Material MERCON Multi-purpose automatic transmission fluid MERCON XT-2-QDX
Raise and support the vehicle. .
Remove the vehicle speed sensor (VSS) cable.
Disconnect the VSS electrical connector.
Remove the VSS bolt and the VSS.
Remove driven gear.
Remove driven gear retainer.
Inspect the speedometer driven gear retainer O-ring seal for nicks and cuts, install a new as necessary.
Install the driven gear.
Coat the driven gear bore with Motorcraft MERCON Multi-purpose automatic transmission fluid or equivalent meeting MERCON specification.
To install, reverse the removal procedure.
Sunday, October 24th, 2010 AT 6:34 PM