How do you replace the water pump on a 1995 Pontiac Grand Prix SE?

Answer 1

This is a simple one. All you need to do is have a ratchet & the right socket to fit your tensioner. Just lock onto the tensioner & push whatever direction (usually toward the firewall) to free up the serpentine belt. Then remove the 4-5 small bolts that are holding on the water pump housing. Pull out the water pump, check for corrosion. If you see really bad rsut & corrosion I recommend reinstalling the old pump & running a heavy-duty cooling system flush through it first. Then drain the system, remove the serpentine belt, remove the housing bolts & pull out the old pump. Make sure to scrape the block very clean with a thin paint scraper to make sure it's clean & dry. Then install in reverse. However, on install, I suggest using a good rtv water gasket sealant on both sides of that cheap paper gasket they give you....Just to be safe. Make sure you give the gasket a good 2-3 hours (or more if possible) to set-up before refilling the system & starting the car.

Just my 2 cents!