Heater control unit Repair - Team Camaro Tech
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post #1 of 3 (permalink) Old Nov 17th, 11, 08:32 PM Thread Starter
Dan
 
Join Date: Nov 2011
Location: winston-salem, nc
Posts: 1
Heater control unit Repair

The defroster lever is broken off at the back of the unit (probably because of a frozen cable). I'm needing to remove and replace the control unit and probably the cables also. Radio is still present. Can anybody review the significant steps and cautions or refer me to a previous post or site for this process. 68/327/2 bbl/ NO A/C
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post #2 of 3 (permalink) Old Nov 18th, 11, 09:29 AM
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Michael
 
Join Date: Apr 2010
Location: Lutz, FL
Posts: 1,918
Re: Heater control unit Repair

VERY common ailment (broken defroster lever). You can get the lever from all the Camaro parts suppliers.

YES, the reason the lever broke was due to friction in the Bowden cable caused by a kink in the internal wire. Remove the defroster cable, lubricate, and straighten the "factory" kink on the defroster side of the cable.
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post #3 of 3 (permalink) Old Nov 18th, 11, 07:03 PM
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Bobby
 
Join Date: Oct 2010
Location: Long Island, NY
Posts: 1,571
Re: Heater control unit Repair

I just did this. Take the dash center panel screws out from the bottom and lift the panel off the top retainer carefully, the retainer is plastic. The screws for the heater control are now accessible. I don't have a radio so I don't know how much harder it is with one in the way but, if not too much trouble take it out for more room to work. You might consider taking the seats out too, so you can be comfortable on your back.

I have a few pics:
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On my heater control, the body of it was a little loose where it attaches to the face so I treated it to some epoxy to prevent it from possibly rattling:
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I also had to straiten the kink by the defroster like Michael points out.

67 Camaro 350
M20 4spd console,
8.5, 30 spline Eaton posi 373
Cowl Plenum
Custom 180į Headers

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black/black
no radio

Last edited by Luwi67; Nov 19th, 11 at 06:07 PM.
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