i have an 85 z28 and the guy i got it from did a motor swop and the guy never hooked up the heater. i did. and now it wont stop blowing hot air and it smells like burnt antifreeze

 

Well it sounds like he left it off because there may be a leak in it. Also there may be a valve on it to shut off the flow of hot coolant that is missing. I know there is a valve on my 91 but can not remember if it was there on my 84.

Oh and you also should check the cable between the switch and blend air door. There is a red tab on the end that holds it in place and some times it pops out or breaks off.

 

I second that ^
If you smell antifreeze from inside the car, it's a leak. Do you live in a climate where you need to use the heat? If not, I would just leave it bypassed.

 

in wisconsin i need heat manly to prevent my windows from fogging up when driving at night cuz the car will never see winter

 

yup if you smell antifreeze in the passenger compartment check around the passenger floorboard for wet spots it maybe leaking in from the core.
it should be over there but ive never changed the heater core on a camaro. only s10s. but id be prepared to drop the dash.

as for it staying on check the door that madmikez28 was talking about.
my old s10 wouldnt stop blowing hot air and there was a screw wedged in that door holding it open.

 

S10's were blessed with a fairly easy heater core change. Camaro's were not. Don't make it harder on yourself and just remove the whole dash to do it.

 

i didnt completely pull mine out, i undid all the bolts and what not, then i pull the passenger side out and layed it on the seat, the rest stayed where it was.

 

hey 350 how long did it take you?? in all data it says 7.5 hrs. i may need to do mine as well and ive never done one in a camaro......many gm and ford but not a maro........hey 94 does your windshield ever steam from the inside?? as far as it blowing hot air i would check what the guys are saying.....it does sound like a blend door prob.......one thing they didnt mention tho is there is also vacuum that assists the manual control...... check to see if you dont have a leak there as well......i believe the vacuum port is behind the radio

 

Nodata hours are based on info from the factory for a shop labor time. It should not take you as long to do the job. That is though waht a shop would usaly charge. But in those hours are a bunch of other factores other than hour long it will take.

There are vacuum operated doors as well. The temp lever at the bottom of the selector is a cable and it moves a door by the heater core. Between the heater core and a/c if applicable. The vacuum is for operating the other doors that direct the air to the selected vents.

 

i know but i was just curious