• Welcome to ClassicBroncos! - You are currently viewing the forums as a GUEST. To take advantage of all the site features, please take a moment to register. It's fast, simple and absolutely free. So please join our community today!
    If you have problems registering or can't log into your account, please contact Admin.

Coolant leaking after turning engine off

AgBronco

New Member
Joined
Jun 24, 2014
Messages
10
Loc.
Dallas, Tx
Newbie here...and definitely not a mechanic! But I'm handy and willing to learn! I bought my EB back in June and have had no problems with it...Today I drove it to work and noticed a puddle of anti-freeze from just behind the front bumper. It was a small amount but concerned me, I drove home from work, about 3 miles and parked in the driveway and waited to see if anything would happen. About 3-4 minutes after turning the engine off anti-freeze began pouring on the ground from the hose that comes off of the radiator cap. Any thoughts on a solution? I'd really appreciate the help!
 

Rustytruck

Bronco Guru
Joined
Feb 24, 2002
Messages
10,875
Put in a coolant recovery bottle to solve this little problem. You don't say what year bronco you have. later models came with a coolant recovery bottle from the factory mounted on top of the passengers side inner fender.
 

broncnaz

Bronco Guru
Joined
May 22, 2003
Messages
24,341
Yes you run a the line into a bottle usually you want the line to be covered by the fluid in the bottle so it can be sucked back into the engine when needed.
 
OP
OP
AgBronco

AgBronco

New Member
Joined
Jun 24, 2014
Messages
10
Loc.
Dallas, Tx
Great, thanks broncnaz and rustytruck. Can I ask the question....Why is it overflowing now and it never has before?
 

dave67fd

Contributor
Bronco Guru
Joined
Sep 24, 2010
Messages
2,863
You can keep it simple or go a little further and use one from a late model Bronco/F150 etc..
Do you have a temp gauge? are you running a bit hot? Was it overfilled lately? You could have air trapped in the system, failing radiator cap, not the proper mix or needs a flush etc.. the list can go on.
Burping out a small amount here and there can be normal and I wouldn't worry too much about it. If it's a fair amount I would investigate further.
 

Attachments

  • images1b.jpg
    images1b.jpg
    7 KB · Views: 42
  • imagesCAAO4FOT.jpg
    imagesCAAO4FOT.jpg
    6.1 KB · Views: 47
OP
OP
AgBronco

AgBronco

New Member
Joined
Jun 24, 2014
Messages
10
Loc.
Dallas, Tx
Ha! Love the Mt. Dew can! I think I'll keep an eye on it the next few days and install a recovery bottle soon....no overheating so far. Thanks for the help dave67fd...been following your build, looks like a great project!
 

Rustytruck

Bronco Guru
Joined
Feb 24, 2002
Messages
10,875
If you install an overflow bottle and fill the radiator to the top and then only fill the overflow bottle about 1/4 full. Make sure the tube going into the bottle goes all the way to the bottom. If the recovery bottle is working properly the excess pressure flows into the bottle and gets sucked back in when the system cools. If it still overflows the bottle and doesn't get sucked back in have your coolant checked for combustion gasses indicating a leaking head gasket. Could be nothing more than a bad radiator cap or an overfilled radiator. If you don't use a recovery bottle the coolant should be about an inch below the cap. With a recovery bottle full to the top. What ever you do make sure you check it daily until your happy that the coolant is staying where it is supposed to.
 

savage

Contributor
Bronco Nut
Joined
Apr 18, 2007
Messages
2,482
Loc.
Renton
My over flow is the stock one that come with my 74.
 

Attachments

  • IMG_3173.jpg
    IMG_3173.jpg
    62.6 KB · Views: 23
  • engine startup 014.jpg
    engine startup 014.jpg
    114.7 KB · Views: 27
Top