| Author |
 Topic Search  Topic Options
|
ACinSC 
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
 Post Options
 Thanks(0)
 Quote  Reply
 Topic: D 15 coolant in engine oil
Posted: 17 Jun 2022 at 10:56am |
|
Pulled the valve cover and found coolant on top of the head and on the inside of the cover . This is a Series 1 gas engine . Anyone have a guess where this is coming from ? My fav son should post some pics soon . THANKS !
|
 |
|
Sponsored Links
|
|
|
AC720Man
Orange Level
Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5100
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 11:01am |
|
For your sake I hope it’s just a blown head gasket. May be a cracked head.
|
|
1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
|
|
Jasonw
Bronze Level
Joined: 11 Dec 2017
Location: MD
Points: 62
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 11:09am |
|
Cylinder liners and O rings could be leaking.
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 11:44am |
|
Thought it might be one of the 3 freeze plugs , but I cleaned them and don't see any obvious holes ? Could be a pinhole in one I guess ? Thanks
|
|
WeisAC2
Bronze Level
Joined: 02 Feb 2017
Location: Aiken SC
Points: 112
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 4:02pm |
|
|
|
DiyDave
Orange Level Access
Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 53035
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 5:24pm |
|
Time for a compression test, and a coolant pressure test...
|
|
Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 5:50pm |
|
Probably what I smart guy would do , but I have the head pulled off . Tops of the pistons are dry so maybe it's the head gasket ? Thanks
|
|
steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 84824
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 6:14pm |
|
could be a cylinder liner o-ring leaking... remove pan and fill water to head deck... then look for drips around base of liners.
|
|
Like them all, but love the "B"s.
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 6:51pm |
|
Thanks Steve. Top of the block was wet so I'm hoping it's just the head gasket ?
|
|
DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 21226
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 8:18pm |
|
Step #1. Fill the radiator full to get an idea of how much coolant was lost. Step #2. Remove valve cover. Step #3. Remove oil pan. Step #4. Pressurize the cooling system to no more than 12 psi with a radiator pump-up pressure tester. Step #5. Wait and see where the coolant is coming from. By removing the cylinder head, you have wasted your chances of actually finding where the leak is coming from.
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 8:28pm |
|
Oh well, maybe it's actually coming from the head gasket. I'm going to get the head redone while it's off . Thanks
|
|
SteveM C/IL
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8409
|
Post Options
Thanks(0)
Quote Reply
Posted: 17 Jun 2022 at 11:25pm |
|
After it's back together, pressurize system over night with oil drain plug out and catch pan under it. Pray it's dry in the morning.
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 18 Jun 2022 at 7:20am |
|
Yeah Steve M , that's what I'm thinking. Thanks
|
|
PaulB
Orange Level
Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4903
|
Post Options
Thanks(0)
Quote Reply
Posted: 18 Jun 2022 at 10:29am |
|
Was it running fine before the problem was noticed? May be nothing more that condensation from a LOT of short runs with not enough time to boil off the water vapor and normal condensation. Do you have a proper working 180 degree or higher thermostat?
|
|
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 18 Jun 2022 at 11:18am |
|
Yeah Paul , it was running fine . I think this is way more than normal condensation . Had this tractor for 4 years and I've never seen anything like this before . I do have a 180 degree thermostat . Thanks !
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 20 Jun 2022 at 2:06pm |
|
Found a chewed up 1/2" O ring on my bench , must've fallen off the head ? Guess it's a valve stem seal ? Gonna take this head to the machine shop soon . Anything I should ask for or stay away from ? Thanks !
|
|
SteveM C/IL
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8409
|
Post Options
Thanks(0)
Quote Reply
Posted: 21 Jun 2022 at 8:05am |
|
There were no valve stem seals....
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 21 Jun 2022 at 8:09am |
|
Thanks Steve, another mystery I guess ?
|
|
Tracy Martin TN
Orange Level Access
Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10677
|
Post Options
Thanks(0)
Quote Reply
Posted: 21 Jun 2022 at 5:02pm |
|
Make sure it isn't from valve cover grommet. Tracy
|
|
No greater gift than healthy grandkids!
|
|
ACinSC
Orange Level
Joined: 16 Dec 2015
Location: South Carolina
Points: 2851
|
Post Options
Thanks(0)
Quote Reply
Posted: 21 Jun 2022 at 5:43pm |
|
Tracy I believe that's what it is, or was anyway. Thanks
|
|
