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Unread 06-14-2013, 02:11 PM   #1
americanemu25
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2001 Grand Cherokee - Heater Core Needs Replacing - Short-term Fixes?

So this is my first post. Hopefully it's in the right thread. 2001 Grand Cherokee V-8 4.7L

Anyway, just took it in and found out the heater core needs replacing. Labor is estimated at 7 hours, but the mechanic said probably 7-9. He also said that they can replace the evaporator without any additional labor, so there's that as well. I don't have a written estimate yet, but when he called he said around $800 before tax.

I was wondering if there were any short term fixes that could be done while I scrounge up some dough. Can I just disconnect the hoses or block the hoses to the heater core temporarily so that it doesn't leak through the heater core?

Is there a way to reduce the leaking of the coolant? If i reduce the pressure by loosening the radiator cap, will that help? Just like a half turn so that it's on, but not fully on?

Any issues with using water instead of coolant? After I fill it, it takes about 5 days before the low coolant light goes on again.

Also, if anyone knows a good Jeep mechanic in the Milwaukee area that would be great. I go to this place by my work, but they don't necessarily specialize in anything. They're great, but maybe a specialist will have an alternative solution or something.

Thanks in advance!

Mike

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Unread 06-14-2013, 02:38 PM   #2
adavis39
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just by-pass it
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Unread 06-14-2013, 02:43 PM   #3
adavis39
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also, if you have any patience and can follow basic instructions, you can absolutely do this job yourself. Just make sure you have an entire day to be able to take your time. its not hard at all
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2002 WJ Limited [B]4.7[/B]: 6" Clayton REALLY long arms....yep, they are longer than yours [B]SOLD : ([/B]
1998 Platinum [B]5.9[/B] DD
2007 WK Overland [B]5.7[/B] wifes DD
TNJEEPS.COM

BUILD: [B][url]http://www.jeepforum.com/forum/f197/utwj-build-other-crap-1399123/[/url][/B]

[B]"In a world that he did not create, but he will go through it as if it is his own creation. Half man, half beast, whatever it is it is weird, it is ticked off and it calls itself Slash"[/B]
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Unread 06-14-2013, 03:15 PM   #4
duranged
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Quote:
Originally Posted by adavis39 View Post
just by-pass it
+1
i bypassed mine for a while before i was ready to repair it.

http://www.jeepforum.com/forum/f310/.../#post13740203

Quote:
Originally Posted by adavis39 View Post
also, if you have any patience and can follow basic instructions, you can absolutely do this job yourself. Just make sure you have an entire day to be able to take your time. its not hard at all
+1 again.



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Unread 06-14-2013, 03:19 PM   #5
adavis39
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and here is where I did mine if it will help you:

http://www.jeepforum.com/forum/f197/...3/index34.html
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2002 WJ Limited [B]4.7[/B]: 6" Clayton REALLY long arms....yep, they are longer than yours [B]SOLD : ([/B]
1998 Platinum [B]5.9[/B] DD
2007 WK Overland [B]5.7[/B] wifes DD
TNJEEPS.COM

BUILD: [B][url]http://www.jeepforum.com/forum/f197/utwj-build-other-crap-1399123/[/url][/B]

[B]"In a world that he did not create, but he will go through it as if it is his own creation. Half man, half beast, whatever it is it is weird, it is ticked off and it calls itself Slash"[/B]
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Unread 06-14-2013, 05:55 PM   #6
Wheelin98TJ
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Dual zone climate or no?

If dual zone, have you done anything with the blend doors?
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Unread 06-14-2013, 07:25 PM   #7
americanemu25
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Thanks guys! This will be really helpful


Quote:
Originally Posted by Wheelin98TJ View Post
Dual zone climate or no?

If dual zone, have you done anything with the blend doors?
I think it's dual zone. There's climate control for the driver and passenger. I have done nothing with the blend doors, I don't think.
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Unread 06-15-2013, 01:54 PM   #8
oldfamilyguy
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As others have said you can just by-pass it for now. But I can tell you from experience, when you by-pass the heat the summer goes by real quick and it will be snowing and you won't have it done yet. Some prefer to disconnect the hoses at the water pump and by-pass it there and thats a bit easier than taking them off at the firewall. But I would do it at the firewall because they have to come off there anyway to change out the core.
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Unread 06-21-2013, 09:59 AM   #9
Erich_97
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If I were you I would upgrade your blend doors while its pulled apart. If you haven't done anything with them changing them over will save you some headache in the near future.
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