THIS is what I'm interested in. 🙂 I've had them apart under the hood and replaced actuators and junk under the dash, but never had one completely out. I'm hoping to learn some stuff when I get round to mine.
BUILD THREAD 1987 Olds 442 Project Build
- Thread starter oldsofb
- Start date
A/C Box Disassemble:
So I looked around online for pictures or videos of taking one of these apart. I couldn't find a thing really. (Post if there is something). So here's my half *ss attempt at documenting it.
I'll say another thing. The directions in the Heater/AC Box Seal Kit have some pretty bad pictures in them. It's almost like they were good the first print, but got copied over and over again on a so so copier. Like a copy of a copy of a copy of a copy of a copy bad!
Maybe I'll scan them and insert my own pics and post them here somewhere. Who knows.
Give me some feedback as to whether I should post this disassemble in the "Cooling / Heating / AC" section here.
Thanks,
Hutch
So I looked around online for pictures or videos of taking one of these apart. I couldn't find a thing really. (Post if there is something). So here's my half *ss attempt at documenting it.
I'll say another thing. The directions in the Heater/AC Box Seal Kit have some pretty bad pictures in them. It's almost like they were good the first print, but got copied over and over again on a so so copier. Like a copy of a copy of a copy of a copy of a copy bad!
Maybe I'll scan them and insert my own pics and post them here somewhere. Who knows.
Give me some feedback as to whether I should post this disassemble in the "Cooling / Heating / AC" section here.
Thanks,
Hutch
Heater/AC Box Disassemble: PART 1
Taking this:
and turning it into this:
Not finding any help on the interwebs (that I saw), I was only armed with the exploded view in the service manual and the poor image quality instructions from the seal kit.
Tools needed:
1/4 Nutdriver
7mm Nutdriver
5/16 Nutdriver
10mm Socket + Ratchet
Let start by removing the "Evaporator and Blower Upper Case"
The entire case is held down by (13) 1/4 screws (2 of those screws hold down the Evap Tube Bracket and 1 screw holds a wiring harness bracket)
Once those screws are removed you can remove the two 7mm AC Blower Relay screws:
Then the 7mm screw for the Evap tube clamp:
With that screw removed, you can now rotate the Evap Tube Bracket "clockwise" to clear from the top cover.
With all that out of the way the Upper Case can be removed. I used a flat blade screwdriver to gently pry around the perimeter until the butyl "goo" let go.
continued.....
Taking this:
and turning it into this:
Not finding any help on the interwebs (that I saw), I was only armed with the exploded view in the service manual and the poor image quality instructions from the seal kit.
Tools needed:
1/4 Nutdriver
7mm Nutdriver
5/16 Nutdriver
10mm Socket + Ratchet
Let start by removing the "Evaporator and Blower Upper Case"
The entire case is held down by (13) 1/4 screws (2 of those screws hold down the Evap Tube Bracket and 1 screw holds a wiring harness bracket)
Once those screws are removed you can remove the two 7mm AC Blower Relay screws:
Then the 7mm screw for the Evap tube clamp:
With that screw removed, you can now rotate the Evap Tube Bracket "clockwise" to clear from the top cover.
With all that out of the way the Upper Case can be removed. I used a flat blade screwdriver to gently pry around the perimeter until the butyl "goo" let go.
continued.....
Heater/AC Box Disassemble: PART 2
With the Upper Case off you can remove the Evaporator and Heater Core:
Remove the 10mm screw that holds the Accumulator to the "AC Compressor Control Relay" bracket
Pull the Evaporator
Remove the 5/16 screw that holds the Heater Core Hold Down + Ground Strap
Remove the Ground Strap with screw, remove the Hold Down clip, and remove the Heater Core
With the contents of the box removed I remove the AC Box Front Plate (This portion of the box is inside the firewall when on the car.
Remove the (5) 1/4 screws that hold the case (4 hold the case and 1 holds one side of the Air Baffle)
2 by the Vac Actuator
2 on the opposite side of the case
1 inside where the valve door is located that holds the Air Baffle. With that one screw removed you can rotate the baffle slightly which aids in getting the Front Plate off
The shaft for the AC/Heat door valve pokes through the bottom case. Make sure to not damage it on removal
Remove the Front Plate from main box
continued...
With the Upper Case off you can remove the Evaporator and Heater Core:
Remove the 10mm screw that holds the Accumulator to the "AC Compressor Control Relay" bracket
Pull the Evaporator
Remove the 5/16 screw that holds the Heater Core Hold Down + Ground Strap
Remove the Ground Strap with screw, remove the Hold Down clip, and remove the Heater Core
With the contents of the box removed I remove the AC Box Front Plate (This portion of the box is inside the firewall when on the car.
Remove the (5) 1/4 screws that hold the case (4 hold the case and 1 holds one side of the Air Baffle)
2 by the Vac Actuator
2 on the opposite side of the case
1 inside where the valve door is located that holds the Air Baffle. With that one screw removed you can rotate the baffle slightly which aids in getting the Front Plate off
The shaft for the AC/Heat door valve pokes through the bottom case. Make sure to not damage it on removal
Remove the Front Plate from main box
continued...
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