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TJ Heater Core Replacement #2
 by Taka Sokabe
 

Note from Stu:   A big thank you goes out to Taka.  I received an e-mail from him after he had swapped the heater cored on his '01 TJ 4.0L.  He took the time to document his swap using 93 commented photos.  Better yet, he wanted to share this information with his fellow Jeepers.  Here is his e-mail explaining it.....

Hi Stu,

First of all, thank you so much for maintaining such an awesome website for Jeep owners.  I had, and will have to, pay thousands of dollars for my TJ without your site.

I was thrown into despair after realizing that mysterious strawberry-color droplets inside my jeep were actually leaked antifreeze from the heater core.  And I came across the best detailed description of how to fix this issue on the internet, which was the write-ups in your site.  I finally decided to DIY after my TJ almost had an overheat. Although I am in an amateur side for car maintenance, but the write-ups encouraged me to do so.  It guided me almost in the perfect way, but I had to spend a lot of time to understand unfamiliar and specific terms (I am a Japanese and not English-native) and figure out which bolts/nuts to remove.

I took pictures in each step and created a photo-based manual.  I would like to ask you to post this in the heater core replacement section since it would supplement the write-ups and could be helpful especially for people who never have done Jeep maintenance but having a leaky core problem.  It should work at least for Wrangler Sport 4.0L (2001, manual shift) but could be informative for all the TJ models.  The manual is in my web album and anyone can take a look.  I am happy to have any comments and corrections.  I will maintain them as long as I pay for the Google storage service...Please let me know if you have any problem to see the pictures.

Again, I appreciate Stu and all the people who participated in the heater core replacement write-ups. Jeep forever!

Best,

Taka and Taka's Jeep (TJ)

 

So, enjoy the work that Taka has done to provide us all with nicely documented "how to" for swapping out the heater core.

NOTE:  When removing the steering column, do NOT allow the steering wheel to spin within the column assembly as it will damage the clock spring which will then need to be replaced!  If the clock spring is damaged, you see issues with your horn, air bag light and possibly the instrument cluster when you reassemble your dash.

And lastly, if you haven't seen it, there is another heater core swap write-up on this site. 


If your floorboards look like this, you probably have engine coolant leaking from your heater core.

 

 

 

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