Question about 2005 Chevrolet TrailBlazer
Very easy. Drain coolant. Look for the 2 heater hose going into the fire wall. Undo the hoses [ may have to cut ] Under the dash there are 6 bolts to undo the heater box. The black box under dash. There is one bolt hard to get at, but with a small ratchet it can be done easily. pull cove off and there will be the core. One or 2 bolts takes it out. When you put heater box cover back on, make sure it seats properly as it is a sealed air tight system. Hope this helps.
Posted on Jan 19, 2013
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Posted on Jan 02, 2017
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For heater core replacing procedure. I suggest you to go through
this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?
Click the link below: ---
How to Flush Heater Core?
How to Remove Heater Core ?
Heater Core Replacement?
To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------
How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html
----------This will help.Thanks.
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