Why is car losing coolant?

Tiny
HOCKMASM
  • MEMBER
  • DODGE NEON
99 dodge Neon, 130,000 miles, 4cyl Single Overhead cam, stickshift

I have been checking my coolant levels every other day and the coolant in the Resevoir Tank keeps going down.

I had it pressure checked by two different shops and they both said it was fine. Nothing wrong that they could see.

Any ideas why it is losing coolant? I am afraid to let the coolant drain all the way from the Resevoir Tank in order to see if it over heats (then take it in to a shop saying it is overheating. Thinking that could help figure it out.)
Sunday, July 29th, 2007 AT 2:42 PM

2 Replies

Tiny
DPWD23
  • MECHANIC
  • 136 POSTS
If the neon has a seperate Resevoir tank (connected to radiator by thin low pressure hose) remove it and check that for leaks, and replace the hose.
If its a completely closed system, you can try replacing the cap.
What ever you do, do not let it overheat! Thats one of the worst things you can do to an engine.
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Sunday, July 29th, 2007 AT 4:26 PM
Tiny
HOCKMASM
  • MEMBER
  • 2 POSTS
It does h ave a seperate tank. With the little hose.

I will check it out. You are saying the hose my have a hole in it?

I never see any fluid under the car except condesation from the AC.
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Sunday, July 29th, 2007 AT 5:44 PM

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