Help cant get heater box out
- Thread starter Richard B
- Start date
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Richard B
Junior Member
- Joined
- Sep 6, 2024
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- 9
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- 2
- Location
- Oregon
- First Name
- Richard
- Truck Year
- 1983
- Truck Model
- K5 Blazer
- Engine Size
- 6.2l
The answer is it has to come out in pieces. If you don't want to disconnect the AC components. Well now it looks like the ones that are not diesels. I guess that will do.
75gmck25
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- Oct 13, 2016
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- 2,203
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- Location
- Northern Virginia
- First Name
- Bruce
- Truck Year
- 1975
- Truck Model
- K25 Camper Special TH350 NP203
- Engine Size
- 5.7
It’s been a long time since I replaced mine, but I don’t think the AC box had to come out. However there is one stud hidden by the inner fender. You need to unbolt the inner fender and pull it out of the way, or some folks manage to get a universal joint and socket in there. Attached is the page from my ‘75 repair manual. Steps 1-2 (not shown) are to disconnect and plug the heater hoses.
It's also a PIA to get the heater box back in, because you are pushing and compressing the firewall insulation, and at the same time trying to line up the bolts with holes in the firewall.
It's also a PIA to get the heater box back in, because you are pushing and compressing the firewall insulation, and at the same time trying to line up the bolts with holes in the firewall.
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