Don't buy the original just find a different auto supply. Advanced Auto Parts and Autozone generally makes a good reman pump. BE SURE TO INSTALL CORRECTLY FOR BEST RESULTS. Black gasket sealant works better than blue on water pumps Check your radiator's quality. If the radiator is corroding, it'll cause the coolant to get too hot and damages the water pump's internal seals. Also make sure you're putting a gasket on with black RTV sealant.
Not necessarily, unless you think they are leaking.
If a transmission is leaking fluid, it is likely that a seal or gasket has failed. Replace the gaskets and seals and the leaking should stop.
You should replace the water pump on a 1999 Toyota Avalon when it becomes worn out. You can also replace it when it begins leaking.
If leaking from the rail itself, the rail will need replaced. If leaking from a seal at the rail, replace the rail.
Yes, they cannot or should not ever be repaired=Have a licensed INSURED plumber Replace it=
remove and replace defective components
Replace Heater Core
Replace it. Never bybass a transmission cooler unless you want to replace the transmission next.
You should never replace a pan if there is no defect such as,leak,crack,major dents ect. If its not leaking you should leave it alone!
you probably have a leaking heater core....you can replace it or bypass it
You should replace it the radiator to play it safe because theres a good chance that it may be leaking or will leaking but check with your dealer or autoshop.
The water pump does not have a specified life span. The time to replace it is when it is leaking or noisy.