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Unread 06-17-2013, 10:32 AM   #16
1ATony
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1997 ZJ 
 
Join Date: Apr 2009
Location: mass
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Quote:
Originally Posted by cata123 View Post
I want all new coolant in new radiator, so how would i do it?
When I had the shop do mine they left the old one in, drained all of the old antifreeze out, added a little Dawn to the old radiator, and completely flushed out the system using water.

I asked the shop why a little liquid soap, they told me it was an old trick to get as much of the darn oil out of the block as possible.

Once they flushed it all out, we added all new hoses a new water pump, new thermostat and a new radiator.

My ZJ had 125,000 on all of this stuff, so it was kind of a preventative maintenance step on my part. I travel a lot with my Jeep.

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Unread 06-17-2013, 12:11 PM   #17
cata123
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That's what i wanted to know thanks! Ill do that, all hoses n thermostat n waterpump are atleast 2 years old
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Unread 06-18-2013, 09:09 AM   #18
cata123
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Well i flushed radiator twice, then put new one in, replaced engine and transmission oil, everything looked good but later today some small oil spots resurfaced i don't know if its still leaking or just some oil left in there, am guessing theres no 100% to remove the oil? That was left in there?
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Unread 06-18-2013, 09:42 AM   #19
1ATony
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Quote:
Originally Posted by cata123 View Post
Well i flushed radiator twice, then put new one in, replaced engine and transmission oil, everything looked good but later today some small oil spots resurfaced i don't know if its still leaking or just some oil left in there, am guessing theres no 100% to remove the oil? That was left in there?
That happened to me too. I kept opening my radiator cap every other week for a while and wiped up the left over oil with a paper towel.

You should be okay.
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Unread 06-18-2013, 11:05 AM   #20
cata123
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Thanks for the info guess ill keep wiping till it goes away lol
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Unread 06-18-2013, 11:09 AM   #21
1ATony
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Originally Posted by cata123 View Post
Thanks for the info guess ill keep wiping till it goes away lol
Just remember to let that motor cool down for a few hours before you remove that cap!
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Unread 06-18-2013, 12:17 PM   #22
Oldfrog
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1997 ZJ 
 
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Someone could have put some stop-leak in there at one time or another. It has an oily base and if it was ever used, it's probably lurking somewhere in the block.
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