This is a simple process, for the most part. You just need to locate the housing. Remove the bolts, place in the new one, put a new gasket on and you are done. Pick up a Haynes repair manual $10.00. It will save you a lot of time and it gives step by step instructions with actual pictures
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.