Water pump chang on mitsubishi Galant 2.5 V6

Waterpump replacement requires removal and replacement of your timing belt. Because of this it is not your typical do it yourself repair. Engine timing is critical, and not having your belt set correctly can lead to catastrophic engine damage.

You can purchase a service manual at your local parts store to get an idea of what is involved, however this being an interference engine you should leave this job to a professional if you are uncertain enough about your abilities that you need to ask for help on it. The cost to replace the waterpump is far far less than the cost to repair a engine that had an incorrectly set timing belt.