heater core

[Michael]

I have a 2000 chevy blazer. I am trying to change the heater core. I have remove the dash and everthing but the air ducts. I found one mounting bolt in the engine compartment but the other i can’t find, I think it is behind the blower moter/ac coil cover but i can not remove the cover. No manual i have found shows where these bolts are. Can you help?

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[cunno96]

can you rip out the hole unit as one core and fan ect

[EricTheCarGuy]

Yea you’ll have to remove the entire HVAC, it’s a bear of a job really.

[chadicenhour]

The one bolt you found in the engine bay, where was it located? I’ve done a couple of these heater cores in these Blazers although its been a while since I’ve done it, but I remember removing the blower motor resistor which is located in the engine bay on the passenger side and in behind there you can barely get to a hidden bolt that is used to fasten the whole HVAC assembly in place. Without removing this bolt, the assembly won’t come out…..unless you break stuff. The bolt I was refering to is at 3:15 of the video Eric posted.

[Author]

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