Blown head gasket? again! - JeepForum.com

 
LinkBack Thread Tools
post #1 of 6 Old 09-28-2009, 06:25 PM Thread Starter
trueprimitive
Registered User
1992 YJ Wrangler 
 
Join Date: Jul 2009
Location: Meadow Bridge
Posts: 102
Blown head gasket? again!

I just put a new head gasket on my 4.2 about a month ago and it has run just fine until I was out ridin the other day and stopped, took the oil cap off and what do you know white residue all over the inside of the cap! I drove it home and parked it. Do you guys think the head gasket could just need to be retorqued?

trueprimitive is offline  
Sponsored Links
Advertisement
 
post #2 of 6 Old 09-28-2009, 06:47 PM
CjinPA
Registered User
 
CjinPA's Avatar
1984 CJ7 
 
Join Date: Mar 2006
Location: Dickson City, Pa. (North East, Pa)
Posts: 1,096
Did you have the head checked to see if its warped?


-

84 CJ7 Northstar V8
91 YJ Renegade.

I've been in this rut plenty long enough, I know what to expect. Weather my day is hell, or weather it goes well is kind of up to me I guess.
CjinPA is offline  
post #3 of 6 Old 09-28-2009, 06:51 PM
Coiz
Registered User
1979 CJ7 
 
Join Date: Mar 2008
Location: Northern, IL
Posts: 4,226
Garage
Some of that can occur from condensation and does not automatically mean the head gasket is shot. Crack the oil filter loose and collect the oil in a clean tub to see what it really looks like. The last time it went out what happened, was there oil in the coolant, coolant in the oil or both? Could be residual signs from the first time it happened.

Mike
My build thread
1979 CJ7, FI 5.0L Ford, NP435, D300, Full floated D44 Detroit, D30 Detroit EZ Locker.
Coiz is offline  
post #4 of 6 Old 09-28-2009, 07:20 PM
KMD
Registered User
1976 CJ7 
 
Join Date: Apr 2009
Location: Modesto
Posts: 1,284
Quote:
Originally Posted by Coiz View Post
Some of that can occur from condensation and does not automatically mean the head gasket is shot. Crack the oil filter loose and collect the oil in a clean tub to see what it really looks like. The last time it went out what happened, was there oil in the coolant, coolant in the oil or both? Could be residual signs from the first time it happened.
+1 solid advice. Does it taste sweet like coolant?
KMD is offline  
post #5 of 6 Old 09-28-2009, 09:10 PM Thread Starter
trueprimitive
Registered User
1992 YJ Wrangler 
 
Join Date: Jul 2009
Location: Meadow Bridge
Posts: 102
There was coolant in the oil the first time the gasket went, and no I didnt have the head checked to see if it was warped.
trueprimitive is offline  
post #6 of 6 Old 09-28-2009, 11:30 PM
Coiz
Registered User
1979 CJ7 
 
Join Date: Mar 2008
Location: Northern, IL
Posts: 4,226
Garage
There was probably a lot of residual moisture in the crankcase and block from the first failure. You're likely seeing that condensing on the cap. Like I said, crack the oil filter or drain it all into a clean bucket. If it looks like chocolate milk, you're in trouble. If it looks clean, put it back in and run it. Might not be a bad idea to shorten the interval for the first oil change after the head gasket replacement. Extended full temperature engine runs are the best thing to help burn that off. Short trips typically compound it.

Mike
My build thread
1979 CJ7, FI 5.0L Ford, NP435, D300, Full floated D44 Detroit, D30 Detroit EZ Locker.
Coiz is offline  
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.



Email Address:
OR

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.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
How do I diagnose a blown head gasket? imtheant Jeep CJ Forum 19 11-26-2013 08:34 AM
Blown Head Gasket? Cpolinsky Jeep CJ Forum 0 01-22-2010 04:22 AM
!!! head gasket blown help!!!!!!! afgd1 Jeep CJ Forum 2 12-23-2009 07:34 AM
cj7 304 v8 blown head gasket thegrand Jeep CJ Forum 2 09-30-2009 07:42 PM
Blown head gasket on 258 I6? SuB8HaVeN Jeep CJ Forum 7 01-07-2008 01:16 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome