I have an 02'. The reservoir for the radiator fluid constantly goes empty and the car sometimes overheats. I checked oil, nothing leaking inside. I checked the radiator, nothing leaking. No leaks coming from under the car. No leaks inside of the car. I have no idea where the fluid is going. I'm curious if the heater might have anything to do with it.. Any insight as to what the problem could be?

 

hmm could be a slow leaking headgasket are you getting any white smoke?? or check the carpet in the car under the dash maybe heater core or look for very tiny leaks in the radiator

 

Na I thought that's what it was too but there's no smoke and my uncle did a compression test at his shop. I also checked the heater core and all that stuff but found nothing.

 

blown head or cracked head or block. Check your pluggs, one ormore of them will look different.

 

yeah I'm thinkin that too -_-

 

get a leak down test.....bubbles in the coolent will prove you have a leak.

 

oh alright i'll check into that. thanks.