4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Oil in Antifreeze

Old 10-11-2008, 08:04 PM
  #1  
FORD TOUGH
4th Gear Member
Thread Starter
 
FORD TOUGH's Avatar
 
Join Date: Oct 2008
Location: Virginia
Posts: 1,107
Default Oil in Antifreeze

I'm thinking about buying a 96 Mustang GT. The car is getting oil in the antifreeze. Has anyone else had this problem and what was causing the problem?
FORD TOUGH is offline  
Old 10-11-2008, 09:57 PM
  #2  
ackuric
4th Gear Member
 
ackuric's Avatar
 
Join Date: Jan 2006
Location:
Posts: 1,143
Default

Generally thats a symptom of a blown head gasket
ackuric is offline  
Old 10-11-2008, 10:00 PM
  #3  
Modular_Madness96
2nd Gear Member
 
Modular_Madness96's Avatar
 
Join Date: Jun 2008
Location: Illinois
Posts: 311
Default

YUP YUP

Unless you plan to do the work yourself or its a ridiculously low price for the vehicle id pass.
Modular_Madness96 is offline  
Old 10-11-2008, 10:04 PM
  #4  
volcomchester18
3rd Gear Member
 
volcomchester18's Avatar
 
Join Date: Aug 2004
Location: Orange county, CA
Posts: 505
Default

yeah man, run away from it as fast as you can.
volcomchester18 is offline  
Old 10-11-2008, 10:10 PM
  #5  
Stevecooper
3rd Gear Member
 
Stevecooper's Avatar
 
Join Date: Aug 2008
Location: Oklahoma
Posts: 912
Default

Originally Posted by volcomchester18
yeah man, run away from it as fast as you can.
Well that's not really fair, it all depends on his purpose for the vehicle and the price.
Stevecooper is offline  
Old 10-11-2008, 10:16 PM
  #6  
volcomchester18
3rd Gear Member
 
volcomchester18's Avatar
 
Join Date: Aug 2004
Location: Orange county, CA
Posts: 505
Default

^^ yeah true
volcomchester18 is offline  
Old 10-12-2008, 02:40 AM
  #7  
waggs
3rd Gear Member
 
waggs's Avatar
 
Join Date: Jan 2007
Location: Phoenix, AZ
Posts: 508
Default

Originally Posted by ackuric
Generally thats a symptom of a blown head gasket
blown head gasket would equal alot of white smoke out the exhaust. when i had oil in my coolant the ford dealership told me that the oil cooler was leaking internally. they ordered me a new one under warranty and then they said it was left over oil from the head replacement they did a few weeks prior.
waggs is offline  
Old 10-12-2008, 02:56 AM
  #8  
volcomchester18
3rd Gear Member
 
volcomchester18's Avatar
 
Join Date: Aug 2004
Location: Orange county, CA
Posts: 505
Default

Originally Posted by waggs
blown head gasket would equal alot of white smoke out the exhaust. when i had oil in my coolant the ford dealership told me that the oil cooler was leaking internally. they ordered me a new one under warranty and then they said it was left over oil from the head replacement they did a few weeks prior.
yeah, true. Usually you get milky oil or coolant, and white smoke out the back. But an oil cooler leaking internally totally would make sense. Well whatever it is, I personally would not buy it unless it was dirt cheap. There could be many reasons, I remember replacing 3 heads on a expedition, after a few weeks it would loose coolant. Kept replacing head, but problem came back, ended up being a crack in the block.
volcomchester18 is offline  
Old 10-12-2008, 06:37 AM
  #9  
2000GT4.6
6th Gear Member
 
2000GT4.6's Avatar
 
Join Date: Jan 2004
Location: United States
Posts: 12,575
Default

Since its a 96 GT, your going to want to rebuild the engine to at least PI specs anyway. Lowball the crap out of him and do a engine rebuild or, if you can't afford that, a direct swap from a 99-04 GT.
2000GT4.6 is offline  
Old 10-12-2008, 08:32 AM
  #10  
ackuric
4th Gear Member
 
ackuric's Avatar
 
Join Date: Jan 2006
Location:
Posts: 1,143
Default

I don't know of any mustangs that come stock with an oil cooler, so that is very unlikely. Even if there was an 'internal' oil cooler leak, that doesn't explain the oil in the coolant since an oil cooler does not and would not have coolant passing through it for any reason. Coolant runs through your radiator, through your thermostat, through your intake manifold crossover, through the engine blocks water passages, through the heating system. The only time oil and coolant have the opportunity to mix is inside the engine, during a blown head gasket, unless you're doing the mixing yourself. I've seen 2 blown head gaskets that neither mixed oil or coolant nor blew white smoke, so those symptoms aren't needed to diagnose a blown head gasket.

I cannot stress enough that an oil cooler will not cause oil/antifreeze to be mixed. Another cause of oil in antifreeze, is doing a head replacement without draining all necessary coolant, and allowing oil due to lack of preparation. And on the side, during the winter/short drives you can attain a milky substance on your oil cap that appears to be the cause of a head gasket being blown, in this case its most likely not.
ackuric is offline  

Thread Tools
Search this Thread
Quick Reply: Oil in Antifreeze



All times are GMT -5. The time now is 02:50 PM.