Hello i have a 1999 subaru legacy outback wagon. Its a V4 2.2L manuel AWD. I have been having issues with my speedometer and odometer not working and someone told me to check my vehicle speed sensors. So im wondering is there any way to check these or do i have to just replace them. My haynes repair manuel said there are 2 of them but when i called the autoparts store he claimed there was 4 and they were special order. So my next question is how many do I have and where are they located? I know there easy to pull off and I believe theres 2 towards the front around the transmission but I may be wrong. thanx for any input