how to remove fuel pump
Should see bolts around the panel,remove hoses and lift up pump will be on it,then you will have to remove pump assembly and replace.
Here's a detailed video showing how to access and replace the fuel pump on the Jaguar S-Type. Includes part numbers and very inexpensive part options: https://www.youtube.com/watch?v=Y5r1OMxA51s
Search Jaguar S-TYPE Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Jaguar S-TYPE Experts