HELP! radiator lines are flat/no cooling

**sic2001** · 07-15-2007, 01:27 PM

Ive never seen this before so need help. Both of the water lines going into the water pump are flat from suction like the water pump is pumping but is creating a suction instead. I put in a new water pump yesterday due to coolant leaking from what I supposed was the weep hole (I also installed a tranny fluid cooler). So the pump is new, coolant is new and Im baffled. Any ideas? Goota have this thing running by the morning!

**juiced99ws6** · 07-15-2007, 02:00 PM

did you leave your radiator cap off and keep pouring coolant in it while the car is running? sounds like maybe you just dont have much coolant in it. run it and keep pouring fluid in ntopping off the radiator and watch it and make sur eyou can run it for a few minutes without the coolant dropping at all so that way you know it is full.

**sic2001** · 07-15-2007, 02:30 PM

thanks! I put in a new thermostate as well and that seems to have taken care of it, I also ran it a while of make sure the fluid was full. Thanks again

**sic2001** · 07-15-2007, 05:10 PM

well maybe I was premature... I have water in the tail pies..like puddles and the water pump hoses go flat from suction from the engine or something. It doesnt over heat but does that matter? Im concerned its a blown head gasket now.

**Orcus79** · 07-15-2007, 05:18 PM

ok, if the exhaust has a sweet smell adn white smoke It very well could be a head gasket, condensation from the exhaust is normal its part of the combution process. Open the rad cap and see if the pressure normalises if it does get you cap pressure tested, what may be happening is that the system is not equalising as it warms and cools.

**sic2001** · 07-15-2007, 05:26 PM

theres a big sucking sound when I take the cap off then everything seems to run as usual. Theres a "ticking"sound that goes seems to come from the water pump and if I gas it the tick speeds up with the rpm. Im baffeled

**Orcus79** · 07-15-2007, 05:56 PM

yep your system is not equilsing pressure, Whats happeing is that for some reason its holding pressure in then when it cools creats a vacuume, so either from what i know you ahve one heck of an air lock, a bad rad cap or your hoses have collapsed and gone bad, they should be replaced anyways from being forced closed.

Since it seems that pressure is building in the system it puttin undue stress on the rest of it, so it is possiblt that you water pump has been damaged, take the belt off and turn it by hand having a listen and a feel.

**sic2001** · 07-15-2007, 08:33 PM

forgot to say, replaced hoses today already, the pump is 16 hours old, could it be bad already? ill chech the cap tommorow but im trippin on it not overheating at all

**edbird** · 07-16-2007, 06:40 PM

Found this info on the Web:
When the cooling system cools down, a vacuum is formed inside the system and another valve inside the radiator cap opens allowing coolant to flow in from the overflow tank. This keeps air that can cause corrosion inside the cooling system out and insures the cooling system is always filled to maximum capacity.
Is your expansion tank always full?

**MechanicalMehem** · 07-16-2007, 06:49 PM

check your hose from the radiator where the cap screws on to to the reservoir(external- under the battery) just blow compressed air back into the hose, I have seen this many times, a little bit of debris or junk from the dex-cool has caused a blockage of this line. Try this, then pm if it dosent take care of the problem(I have complete confidence that it will).
--Justin

**sic2001** · 07-16-2007, 07:11 PM

Ill check in the morning but the ticking stopped and flrid is topped off but it still sucks in a bit so Ill try it tommorow...thanks ALOT!!

**sic2001** · 07-16-2007, 07:30 PM

just fired up the compressor and blew it out...update tommorow

**sic2001** · 07-17-2007, 09:48 PM

ok, its alot better but the hose is still oblong instead of round after I turn the car off and the system cools down. Ive filled the coolant up, overflow is to the full mark, blew out the refill hose and prayed over it and God has told me that it is as it should be, a perfectly sealed system and to leave it alone. haha Thanks for the help fellas