Hello,

You must start by disconnecting the battery and draining he coolant out. Then remove the drive belts. Here are some guides to give you an idea of what you are in for when doing the job.

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

and

https://www.2carpros.com/articles/water-pump-replacement

and

https://www.2carpros.com/diagrams/suzuki/sidekick/1996

Here is how it is for your car (below)

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken