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SRT4 My coolant is disappearing?

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New User

Oct 1, 2017, 6:43 PM

Post #1 of 3 (600 views)
SRT4 My coolant is disappearing? Sign In

I fill up the coolant reservoir and within a week its bone dry again. There is no liquid under the car when its parked, the oil looks fine and isn't milky, and I got it pressure tested at AutoZone with no leakage. The car runs fine but obviously something is wrong so I'd prefer to fix it!

2008 Dodge Caliber SRT4, 2.4L 4-cylinder turbo DOHC

Ultimate Carjunky / Moderator
Discretesignals profile image

Oct 1, 2017, 6:52 PM

Post #2 of 3 (592 views)
Re: SRT4 My coolant is disappearing? Sign In

Did they pressure test the cooling system when the engine was cold? How long was the system being pressure tested? Did AutoZone have the vehicle in the air to see what was happening underneath? I very much doubt that. If there are no visible external leaks, than it is leaking inside the engine through a head gasket or crack in the head or block.

If you find no external leaks, remove the spark plugs and let the pressure tester sit on there over night. Look down the spark plugs holes the next morning to see if coolant is laying on top of any of the pistons.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Oct 1, 2017, 6:56 PM)

New User

Oct 1, 2017, 7:16 PM

Post #3 of 3 (579 views)
Re: SRT4 My coolant is disappearing? Sign In

 I'm pretty sure it wasn't cold because I had been driving it. And they only had the gauge on for about 5 minutes, it was just a quick test which I expected from going to a parts store versus a mechanic. I'll get ahold of a pressure and leave it i overnight with the plugs out and go from there.

If it is leaking into the engine -- which seems likely -- what kind of problems can I expect further down the road? I'll get it fixed of course but would it be causing permanent damage in the meantime?

Thank you for your reply!

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