Coolant dissapearing

Nooree01 · 09-21-2020, 04:28 PM

I am losing coolant from my reservior I think i found some coolant but the driver side throttle body but cant pinpoint the leak
Any help would be appreciated

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sportsman2003 · 09-21-2020, 05:02 PM

Your best bet would be to pressurize the system then look for leaks.
If you want to save a bit of cash you can likely get a kit at Harbor Freight tools.

cv129 · 09-21-2020, 06:49 PM

Let engine run to operating temp, spray a little water to connections and search for bubble?

SouthArk370Z · 09-21-2020, 07:08 PM

If that is the only leakage, it's not what is causing a drop in tank level. What you have there is on the (very) high side of normal (ie, something you want to fix but shouldn't cause any problems other than the way it looks). But the coolant may have drained to a lower area. Inspect lower down and see if you can find more signs of leakage/drainage - if the tank level is dropping, you may find a puddle in the undertray or a cavity on the engine.

The throttle bodies have coolant lines for freeze protection (some ppl in warmer climes will delete the lines).

Rusty · 09-21-2020, 07:49 PM

Quote:

Originally Posted by cv129

Let engine run to operating temp, spray a little water to connections and search for bubble?

Spraying liquid on a fitting to find a liquid leak. There is no bubbles.

It only works if you are using a dye to hi-light the leak.

Rusty · 09-21-2020, 07:56 PM

From looking at the picture. The hose on the right looks like it's leaking at the connection. What you can do. Move the spring clamp back off the hose. Twist the hose around. Then put the spring clamp back on. If that don't work. Replace the clamp.

Those spring clamps lose tension over time and temperature.

09-21-2020, 04:28 PM	#1 (permalink)
Nooree01 Base Member Join Date: Sep 2018 Location: Kansas City, MO Posts: 108 Drives: 2011 370z Gray 7AT Rep Power: 7	Coolant dissapearing I am losing coolant from my reservior I think i found some coolant but the driver side throttle body but cant pinpoint the leak Any help would be appreciated Sent from my SM-G975U using Tapatalk

09-21-2020, 06:49 PM	#3 (permalink)
cv129 A True Z Fanatic Join Date: Jul 2011 Location: Dallas, TX Posts: 3,262 Drives: 09 Nismo, 16 Nismo Rep Power: 163995	Let engine run to operating temp, spray a little water to connections and search for bubble? __________________ Setrab \| RE-71 \| SPL \| JRZ \| Nismo \| ARK \| Whiteline \| RacingBrake \| CJM Oil Pan \| Ti shield

09-21-2020, 07:08 PM	#4 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	If that is the only leakage, it's not what is causing a drop in tank level. What you have there is on the (very) high side of normal (ie, something you want to fix but shouldn't cause any problems other than the way it looks). But the coolant may have drained to a lower area. Inspect lower down and see if you can find more signs of leakage/drainage - if the tank level is dropping, you may find a puddle in the undertray or a cavity on the engine. The throttle bodies have coolant lines for freeze protection (some ppl in warmer climes will delete the lines). Optimiser likes this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

09-21-2020, 07:56 PM	#6 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 69 Posts: 35,379 Drives: 2011 Nismo GM 6M Rep Power: 2684438	From looking at the picture. The hose on the right looks like it's leaking at the connection. What you can do. Move the spring clamp back off the hose. Twist the hose around. Then put the spring clamp back on. If that don't work. Replace the clamp. Those spring clamps lose tension over time and temperature. Optimiser likes this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

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09-21-2020, 05:02 PM	#2 (permalink)
sportsman2003 Base Member Join Date: Dec 2018 Location: In the moment Posts: 191 Drives: Sideways most times Rep Power: 11606	Your best bet would be to pressurize the system then look for leaks. If you want to save a bit of cash you can likely get a kit at Harbor Freight tools.