Hello vobsterman,
While some new speakers do not match up directly in the vehicle mounting location, the procedure for mounting them is basically the same. First of all, you need to make sure that your speakers are the proper size to fit your vehicle. If you do not know what size your old speakers are, you can usually find out at
www.modifiedlife.com. Then for a list of speakers that fit, go to Crutchfield's "
outfit my car" and enter the vehicle information. If any special adapters or spacers are needed, the Crutchfield site will detail them. If you purchase speakers from Crutchfield, any mounting accessories and adapters are included free.
After you have your new speakers, remove the old ones using the instructions contained in the supplied "master sheet" for your vehicle and replace them with the new speakers.
Hope this helps.