Welcome to DSMtuners - the largest Mitsubishi Eclipse, Eagle Talon, 4G63t and 420A DSM performance resource on the web



















Login



Go Back   DSMtuners > DSM Forums > General > Newbie Forum
Welcome to DSMtuners - the largest Mitsubishi Eclipse, Eagle Talon, 4G63t and 420A DSM performance resource
You are browsing the site as a GUEST. Please login (or register) and gain the ability to post on our site and interact with other DSMers. You also get to browse the site with fewer advertisements. It is FREE to join!

Newbie Forum: Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum. Probationary Members must limit their tech posts to this forum and sub-forums.

Reply
 
 
LinkBack   Thread Tools
Old 09-14-2008, 04:24 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #1 (permalink)
Proven Member
 

AlphaAssault's Avatar
Registered: Sep 2007
Tech Posts: 455
Classifieds Rating: 2
Reputation: AlphaAssault is an unknown

no coolant in overflow tank. bad?


i was recently checking all the fluids in my car, and i noticed that the coolant overflow was completely empty . i dont remember the last time i filled it up, but i do know there is a low-coolant light by the gauges, and i thought that would alert me when the coolant got low. well, i pulled the overflow container, and found that the sensor plug at the bottom of it wasnt plugged in all the way. i checked the overflow bottle for leaks, then put it back in the car and filled it to spec. then i checked under the radiator cap, and there was plenty of coolant there. if it helps, i checked the oil for coolant, and coolant for oil with the idea in mind that maybe a bad head gasket is at fault for emptying all the coolant, but both oil and coolant were clean. could i have done any damage by running without any fluid in the overflow container? i dont know how long i was driving with it empty, but the temp gauge never got above the middle mark. ideas?


mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 04:32 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #2 (permalink)
Proven Member
 

EvansF's Avatar
Registered: Feb 2008
Tech Posts: 42
Classifieds Rating: 0
Reputation: EvansF is an unknown
if you checked the coolant by the radiator cap and it was full, you are fine. Maybe you are burning coolant, and yeah it can be a bad head gasket. Look at you're exaust to see if it's smoking white, it will tell you if you are burning coolant.

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 04:36 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #3 (permalink)
Proven Member
 

AlphaAssault's Avatar
Registered: Sep 2007
Tech Posts: 455
Classifieds Rating: 2
Reputation: AlphaAssault is an unknown
Quote:
Originally Posted by EvansF View Post
if you checked the coolant by the radiator cap and it was full, you are fine. Maybe you are burning coolant, and yeah it can be a bad head gasket. Look at you're exaust to see if it's smoking white, it will tell you if you are burning coolant.
my car has never had smoke of any color come out of the exhaust.

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 04:51 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #4 (permalink)
DSM Wiseman
 

knochgoon24's Avatar
Timeslip: 13.869 @ 95.090
Registered: Jan 2008
Tech Posts: 4,697
Photos: 16
Classifieds Rating: 25
Reputation: You can trust this leader of the site
Just top it off and you're good to go as long as you aren't having any other problems.


____________________________
Wes - '97 Talon Tsi AWD
View photos of this member's car 

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 04:51 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #5 (permalink)
Proven Member
 

xdxoxuxgx's Avatar
Registered: Sep 2006
Tech Posts: 300
Photos: 2
Classifieds Rating: 0
Reputation: xdxoxuxgx is an unknown
Send a message via AIM to xdxoxuxgx
When I put my FMIC kit on, I removed my coolant overflow bottle. I don't know if that's bad or not, but I check my fluid levels regularly so I don't worry about it.
View photos of this member's car 

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 04:56 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #6 (permalink)
Proven Member
 

AlphaAssault's Avatar
Registered: Sep 2007
Tech Posts: 455
Classifieds Rating: 2
Reputation: AlphaAssault is an unknown
Quote:
Originally Posted by xdxoxuxgx View Post
When I put my FMIC kit on, I removed my coolant overflow bottle. I don't know if that's bad or not, but I check my fluid levels regularly so I don't worry about it.
which begs the question: if our cars run fine without the overflow tank, why is it even there? i didnt notice anything while driving that would lead me to believe that the overflow bottle was empty. and had been empty for a while. is an overflow bottle more important to a healthy engine or to a not-so-healthy one?

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 05:33 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #7 (permalink)
Proven Member
 

gregalmighty's Avatar
Registered: Mar 2008
Tech Posts: 110
Classifieds Rating: 1
Reputation: gregalmighty is more helpful than not
As long as the car isn't overheating or running hot and there is still coolant in the system then you haven't hurt anything. Have a friend drive behind you and watch for smoke. A lot of times you can't see it in your mirrors. If its mysteriously disappearing and theres no signs of a leak under your car where you park then thats probably the case.

mark post as helpful recommend reputation points    Reply With Quote
Old 09-14-2008, 10:22 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #8 (permalink)
Proven Member
 

jumpfroggy's Avatar
Registered: Dec 2005
Tech Posts: 208
Classifieds Rating: 0
Reputation: jumpfroggy is pretty helpful and trustworthy
Quote:
Originally Posted by AlphaAssault View Post
which begs the question: if our cars run fine without the overflow tank, why is it even there? i didnt notice anything while driving that would lead me to believe that the overflow bottle was empty. and had been empty for a while. is an overflow bottle more important to a healthy engine or to a not-so-healthy one?
The coolant oveflow tank is for overflow. AFAIK (maybe someone will correct me on this), the coolant system pressurizes during engine use. The radiator cap maintains pressure by leaking a bit out if it gets too much. This extra goes into the overflow tank. Once the engine is turned off and cools off, the coolant system depressurizes and can sometimes suck some coolant back in.

If you take the coolant out of an overflow tank for a perfectly working cooling system with enough fluid, you probably wont have any problems. However, it can be a warning sign of other things. Basically, you probably have no problem since the fluid levels are fine, but you want to make sure the overflow tank is half-full. That way you can tell if there's too much pressure (too much coolant in the tank), or if there's a coolant leak somewhere (tank keeps going empty).

But I'm sure if you kept on top of the coolant levels, you could basically run without an overflow tank. And why did they put one in in the first place? Can't have all your manufactured cars spitting coolant out onto the street whenever they feel like it. What an environmental (and PR) disaster.
Visit jumpfroggy's homepage! 

mark post as helpful recommend reputation points    Reply With Quote
Old 09-15-2008, 12:40 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #9 (permalink)
DSM Wiseman
 

Defiant's Avatar
Registered: Jan 2003
Tech Posts: 25,202
Photos: 8
Classifieds Rating: 2
Reputation: You can trust this leader of the site
It's an expansion tank. Modern cars don't run a void in the top of the radiator, they run a cooling system with no air space. The coolant heats up, expands into the tank, and sucks back as it cools.
Do not try to run a street car without one.
Visit Defiant's homepage!  View photos of this member's car 

mark post as helpful recommend reputation points    Reply With Quote
Old 09-15-2008, 06:50 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #10 (permalink)
Proven Member
 

vanilla gorilla's Avatar
Registered: Sep 2007
Tech Posts: 493
Classifieds Rating: 1
Reputation: vanilla gorilla is more helpful than not
As everyone else said, you are fine. Just keep an eye on your coolant level. I ran my car for a long time without an overflow, I just keep a check on the coolant.

mark post as helpful recommend reputation points    Reply With Quote
Old 09-15-2008, 08:14 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #11 (permalink)
Moderator
 

99gst_racer's Avatar
Registered: Apr 2003
Tech Posts: 8,630
Photos: 68
Classified Ads: 2
Classifieds Rating: 132
Reputation: You can trust this leader of the site
Defiant is 100% correct.

Just because it's empty, doesn't necessarily mean something is wrong. It's normal operation includes filling and emptying itself. And yes, do not drive without one, or you will eventually have a low coolant level.


____________________________
Paul

The Original 1G Chromoly Crossmember
Visit 99gst_racer's homepage!  View photos of this member's car 

mark post as helpful recommend reputation points    Reply With Quote
Reply

Bookmarks

Thread Tools

 

» Recent DSM Photo
» Current Poll
How many times have you been to the Shootout?
1 - 40.00%
168 Votes
2-5 - 41.67%
175 Votes
6-10 - 10.48%
44 Votes
11-15 - 3.10%
13 Votes
16-20 - 4.76%
20 Votes
Total Votes: 420
You may not vote on this poll.
» Online Users: 822
232 members and 590 guests
Most users ever online was 1,704, 03-17-2008 at 09:11 PM.
DSMtuners Main Sections
DSM Forums
DSM Regional Forums
DSM Builds/Journals
DSM Articles
DSM Tech Guides
DSM Upgrade Paths
DSM Parts Reviews
DSM Vendor Reviews

DSM Classifieds
DSM Parts Guides
DSM Photos
DSM Videos
DSM Timeslips
DSM Dyno Sheets
Shirts & Apparel
DSMtuners Decals

Advertising Info
Our Sponsors
Site Rules
Terms of Service
Privacy Policy
Site FAQ
About Us
Contact Us

© 2014 DSMtuners.com - All Rights Reserved

DSMtuners is not affiliated with Diamond Star Motors. The Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, Mitsubishi Galant VR-4, and associated logos are trademarks of Diamond Star Motors, Mitsubishi Motors, and Chrysler Corporation. No, we do not hand out car sponsorships.

All times are GMT -7. The time now is 11:10 AM.


Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

Search Engine Optimization by vBSEO 3.6.0