Bubbles in tranny oil - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep CJ Forum > Bubbles in tranny oil

Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineGrizzly Lockers available at Rockridge4wd.comThe ULTIMATE "Selectable" Locker System! Brough

Reply
Unread 11-03-2013, 05:55 AM   #1
John Strenk
Moderator
 
John Strenk's Avatar
1976 CJ5 
 
Join Date: Feb 2005
Location: Shalersville Ohio
Posts: 13,010
Bubbles in tranny oil

Anyone know what causes this?

It's never been in deep water

the tranny is stone cold, just some 'friend' got it stuck in 4th so i removed the top to fix it and found this




John Strenk is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 06:07 AM   #2
Matt1981CJ7
Web Wheeler
 
Matt1981CJ7's Avatar
1981 CJ7 
 
Join Date: May 2011
Location: Elbert, CO
Posts: 10,468
The pic isn't posting for me, John.

Matt
Matt1981CJ7 is online now   Reply With Quote Quick reply to this message
Unread 11-03-2013, 06:33 AM   #3
86cj74.2L
Web Wheeler
 
86cj74.2L's Avatar
2004 WJ 
 
Join Date: Jul 2006
Location: Stouchsburg, PA
Posts: 6,756
Just condensation?

Grammys CJ would on occasion build up water in the rear axil. Only way to explain it since all she does is drive to work. And 8 miles isn't enough to get things up to temp.
86cj74.2L is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 08:32 AM   #4
LumpyGrits
Registered User
1985 CJ7 
 
Join Date: Jul 2010
Location: The Mojave Desert Palmdale Ca. U.S.A.
Posts: 5,073
X2 on condensation of cold oil.
You get the same thing inside the engine etc also.
LG
__________________
Have'n you along, is like loose'n 2 good men
LumpyGrits is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 09:12 AM   #5
JeepHammer
Running On Empty...
1973 CJ5 
 
Join Date: Aug 2007
Location: South West Indiana
Posts: 10,204
Moisture or other contamination.

Overheating by over compression of the oil can cause it also...
JeepHammer is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 05:47 PM   #6
bruteboy
Registered User
 
Join Date: May 2010
Location: british columbia ca
Posts: 481
incorrect type of oil or an additive has been added
bruteboy is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 06:34 PM   #7
LumpyGrits
Registered User
1985 CJ7 
 
Join Date: Jul 2010
Location: The Mojave Desert Palmdale Ca. U.S.A.
Posts: 5,073
Quote:
Originally Posted by bruteboy View Post
incorrect type of oil or an additive has been added
Your source for this info?
LG
__________________
Have'n you along, is like loose'n 2 good men
LumpyGrits is offline   Reply With Quote Quick reply to this message
Unread 11-03-2013, 07:23 PM   #8
MoneypitCJ5
Registered User
1977 CJ5 
 
Join Date: Mar 2013
Location: Florence, AL
Posts: 170
Are they JUST bubbles? It looks like aerated oil to me. I would expect condensation to cause white film on the sides of the case, like the junk that gets on oil caps sometimes.
__________________
1973 VW Karmann-Ghia first car
2009 Challenger R/T 6MT, Flowmaster, inTune daily driver
1977 CJ5 304, 3MT - under construction
And many in between!
MoneypitCJ5 is offline   Reply With Quote Quick reply to this message
Unread 11-04-2013, 03:11 AM   #9
John Strenk
Moderator
 
John Strenk's Avatar
1976 CJ5 
 
Join Date: Feb 2005
Location: Shalersville Ohio
Posts: 13,010
Yeah, they are bubbles. No scum like I'm use to see in some old engines.
And I use the jeep mainly in the winter to plow snow so condensation could be it.

Feels rather thin to be the 120 wt I put in there.
Don't ask, I need to mark my containers better..

Oh by the way, don't drive your jeep with the cover off the tranny...

I drove it just 20 ft to work in the garage only to have a huge oil spill over the exhaust pipe....
Were is that dope slap icon....
John Strenk is offline   Reply With Quote Quick reply to this message
Unread 11-04-2013, 03:32 AM   #10
86cj74.2L
Web Wheeler
 
86cj74.2L's Avatar
2004 WJ 
 
Join Date: Jul 2006
Location: Stouchsburg, PA
Posts: 6,756
When Grammys rear axil built up enough moisture to vent and freeze out the breather vent. Which would build pressure and then burp more oil. When I dropped the cover to drain it out it was just a coffee with a lot of cream color. No foamy cake like engine oil.

Those 8 mile trips since 1986 are probably what kept the trans happy. It's still original with 160,000 on the clock now. A999 (Grammy don't do stick)
86cj74.2L is offline   Reply With Quote Quick reply to this message
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Thread Tools






Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.