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The Original 3/8" Ruffstuff Diff Cover!*VOTE NOW Help Metalcloak Giveaway an XJ Suspension*Steering and more from Ruffstuff!

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Unread 11-19-2012, 03:57 PM   #1
94beachxj
Registered User
1994 XJ Cherokee 
 
Join Date: Nov 2012
Location: Surry, va
Posts: 236
Slow Fix on a old heater core?

Long story short.
Put a ATK rebuilt 4.0L in a blown 94 XJ. The girl never changed the "dex-cool" and the old motor blew a head gasket and she kept driving.... Oh yea she broke a rod
Anyway I fushed out the Radiator and it looked good.
One prob, opened the heater valve one cold night and the next day my coolant was brown Has to be the heater core imo.
So little by little I extracted the green/brown coolant and replaced it with 50/50 mix 8 oz at a time. After 4 months and 4 gallons of fresh coolant I am making progress!

Have you guys ever tried this? The heater is doing great.
I figure after 6 gallons and 3 more months, I may have all the crap out.

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Unread 01-20-2013, 11:53 AM   #2
94beachxj
Registered User
1994 XJ Cherokee 
 
Join Date: Nov 2012
Location: Surry, va
Posts: 236
If it looks this good coming out, I think the 3 gallons of fresh coolant has flushed the system out safley!
anti-freeze.jpg  
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Unread 01-20-2013, 12:01 PM   #3
94beachxj
Registered User
1994 XJ Cherokee 
 
Join Date: Nov 2012
Location: Surry, va
Posts: 236
This pink stuff is the Jeep coolant for the 2005 Liberty that has been going through the latest flush cycle.
I was so happy with the outcome of the Cherokee, I did my wife's jeep in a 2 month cycle.
3 and a half gallons later it looks very clean. I will never have to flush a coolant system again. This slow way of replacing the coolant puts no shock on the engine or coolant system what so ever. I will never for get how one time i flushed a entire coolant system,and noticed the temp gauge went to 290 degrees!!!!!!!!!!!!!!!! I was very blessed I did not crack a head gasket or head.
Never again!
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