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Unread 02-20-2013, 03:19 PM   #1
NayoMoon
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Rust in cooling system of my 1990 GW

Scrap it? That's the question...love this Jeep and I want to keep it. What would you do to preserve it until an engine rebuild?

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Unread 02-20-2013, 03:48 PM   #2
pleontks
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flush the snot out of it, and fill it up with the antifreeze and water
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Unread 02-20-2013, 03:58 PM   #3
NayoMoon
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Mechanic says its like a "cancer" In that it's so bad off that he's not sure that there won't be Actual holes holes in the system once he starts pulling it apart. Very dismal on his assessment of the engines integrity. However, I am in love with this car and would like to restore it to its former glory. So you're saying that flushing it would keep the rust at bay?
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Unread 02-20-2013, 04:47 PM   #4
Dave145
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I guess in not so nice terms it will kind of prolong the inevitable for a bit I guess.
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Unread 02-20-2013, 05:46 PM   #5
RockRollin
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Is it heating up? Rust is not uncommon in a 23yo vehicle, at all. It needs a thorough flush with a cleaning agent (prestone flush) and a refill. I really don't trust "mechanics" with these trucks. I had rust and sludge in my 90, replaced water pump flush and fill, its fine, antifreeze is still clean. I would be more concerned with the integrity of the mechanic.
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Unread 02-20-2013, 06:17 PM   #6
pleontks
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Quote:
Originally Posted by RockRollin View Post
Is it heating up? Rust is not uncommon in a 23yo vehicle, at all. It needs a thorough flush with a cleaning agent (prestone flush) and a refill. I really don't trust "mechanics" with these trucks. I had rust and sludge in my 90, replaced water pump flush and fill, its fine, antifreeze is still clean. I would be more concerned with the integrity of the mechanic.
x2

some of the stop leak products are rust colored, as well.
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Unread 02-20-2013, 06:27 PM   #7
Rosental1
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Quote:
Originally Posted by rockrollin View Post
is it heating up? Rust is not uncommon in a 23yo vehicle, at all. It needs a thorough flush with a cleaning agent (prestone flush) and a refill. I really don't trust "mechanics" with these trucks. I had rust and sludge in my 90, replaced water pump flush and fill, its fine, antifreeze is still clean. I would be more concerned with the integrity of the mechanic.
x3
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Unread 02-20-2013, 06:40 PM   #8
NayoMoon
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No, I haven't noticed any overheating and I've driven it over 30 miles after initially purchasing it. Mechanic says water pump does need replacing and I will definitely have the system flushed. I'm glad to know that rust is inevitable--because it is old as you mentioned. So if I bought the car for 2K it is a reasonable investment to have these things done, right?
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Unread 02-20-2013, 06:51 PM   #9
RockRollin
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They are worth whatever $ and knocked knuckles we are willing to put into them. These are not investments, they are a labor of love (REALLY COOL RETRO KICK A$$ TOUGH AS NAILS LOVE)......SORRY. Yea its probably worth it.
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