I have just recently replaced the water pump on my 90 3.1 v6 corisca it was leaking and b 4 it went i noticed what i explain as a high pitch almost sound like when in a house u turn the hot water on and get a hum or squeel ....i fixed it two weeks ago it was -44 and i assumed that is what took out the water pump ......this morning when i started the car i had that noise back ....Do youthink this is the water pump again and if so what would b making it go twice
any inputt is great thanx
ps the sound goes away after 3 mins or so

 

did u put new belt(s) on with the pump