Sound of Water ? HELP

[jutn35]

I havent driven my car in 2days, and left it sitting on and incline uphill. Today i started it up and let it sit for a while to get the cylinders lubricated. I pushed the gas a little and there was a sound that sounded like rushing water through tubes? . My radio was turned off so thats how i heard this faint sound, I did drove it around, and on lower RPMs it would do this, same as in park. Does anyone know what that sound is and help clear my mind of this,

Thanks

[jutn35]

bump

[2005G35NYC]

does your heater work?

could be a clogged heater core

[jutn35]

uhmm i should check , last time i used it was last week, when 65 degrees here is hella cold in CA lol

[TheG35Dude]

Check the coolant level, open the radiator cap when its cold, the coolant should be full up to the bottom of the cap. check the reservoir bottle also, it the coolant level past the min level.

Then if there is still no heat even after the car has warmed up you will likely need a new thermostat. Heater cores are most often replaced due to leaks, not blockage (old).

[skyline250GT]

If the refridgerant in your AC is low it will make a "water running" sound as well.

[bigc]

^ +1. also, no heat after the car has warmed up does not necessarily mean you need a new thermostat. it most likely means your coolant level is low / you have an air pocket in your coolant system. the heater is at the highest point in the system so air bubbles get trapped there.

if you're worried about your tstat, start your car on a cold engine and hold the lower radiator hose while the car idles. if it gets warm really quick, then the tstat may be stuck open. if it doesn't warm up after a few fan cycles (coolant reaches 208 then gets cooled back down by fans), then the tstat may be stuck closed.

[nismod05]

There is an air pocket in your cooling system. This is a typical problem with Nissan / Infinity. Research TSB's as I know that Nissan had a few out there - both my 04 Maxima and 05 Frontier had the same issue but thankfully the 05 G doesn't.

Nothing to do with low coolant levels. And if the air pockets were large enough, you may not get any heat in the winter (thankfully you do not live in a cold climate though) when your car is sitting at idle.

[TheG35Dude]

If the Tstat fails closed you will certainly have an overheating problem which can do major damage to your engine, that's why the smart engineers designed Tstats to fail OPEN.
There is a air relief plug on the upper heater hose, open it until coolant flows from it. The system is designed so that air does not "hang out" in the heater core.
Another way of checking the stat is to start up the car cold and open the radiator cap, if you got coolant movement (flow) the Tstat is NFG. With a good Tstat after a while it will open and the coolant flow will be very noticeable, put the cap back on.

[kennymo]

i hear water everytime i start my car and pulll out of the driveway. sounds like its right behind the steering wheel. cant figure it out

[sukh79]

Question for the guys hearing water...do you have sunroofs??????

[jutn35]

my heater works fine, used it on full blast . but i guess ill be checking in with my mechanic again "/

thanks alot guys for ur responses ^^^^^^^^^^^^^^^^ !

[nismod05]

For those of you who haven't experienced this, keep throwing out unfounded suggestions. Water sounds are air pockets in the cooling system. Go call up the stealership and they will tell you.

And jutn35, is there heat when your car is at idle? Does the temperature increase as soon as the rpm's increase? If so, air pocket.

[jutn35]

Originally Posted by nismod05

For those of you who haven't experienced this, keep throwing out unfounded suggestions. Water sounds are air pockets in the cooling system. Go call up the stealership and they will tell you.

And jutn35, is there heat when your car is at idle? Does the temperature increase as soon as the rpm's increase? If so, air pocket.

kinda , ^ cant really recall, at first its cold for like 1 min and after i let it set on a cold start it gets hotter.