factory AC cowl vent actuator what years? - Team Camaro Tech
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post #1 of 10 (permalink) Old Aug 29th, 10, 09:23 PM Thread Starter
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Dale
 
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factory AC cowl vent actuator what years?

My actuator in the cowl/ plenum is leaking, will not hold vacuum.
Is the 2nd gen one the same?
Is the actuator possibly the same for the recirc door?

68 Dana 302, 68 rs 327 daily driver/family car, 71 rs, track car/ driver, 68 firebird 400, 70 formula 400, 73 type LT, 98 TA, 2 goofy kids and an incredible wife.
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post #2 of 10 (permalink) Old Aug 30th, 10, 07:02 AM
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Re: factory AC cowl vent actuator what years?

Did you try and make sure the vacuum tube going into the actuator is on tight? Those lines can dry out and crack. Not sure about the second gen if same actuator.

The actuator for the recirc is different. If the whole unit is bad you can usually pick one up on ebay. You may be able to salvage what you have.....

Good luck
Brandan-

1969 Chevrolet Camaro 396 SS X-66

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post #3 of 10 (permalink) Old Aug 30th, 10, 10:49 AM Thread Starter
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Re: factory AC cowl vent actuator what years?

This is the part I'm talking about.


And, yes the vacuum hoses are good, the actuator does not hold vacuum.
It is something that can be replaced by it'self, it is bolted onto the assy.
The reason I suspected a problem is the AC was slightly less cold. I could not hear the difference in the fan when in max AC.
Also my RS light covers were slower than normal, in fact sometimes the left side RS door would not open.
Interesting enough, the AC recirc and plenum door have vacuum applied when in max AC and when the system is off. When in vent there is no vacuum.

68 Dana 302, 68 rs 327 daily driver/family car, 71 rs, track car/ driver, 68 firebird 400, 70 formula 400, 73 type LT, 98 TA, 2 goofy kids and an incredible wife.
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post #4 of 10 (permalink) Old Aug 30th, 10, 07:57 PM
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Re: factory AC cowl vent actuator what years?

The cowl actuator looks to be similar to the recirc one in the kick panel. Not sure if they are interchangable. If you turn the flap on the unit you have the actuator should expel the air in the actuator. If you put your finger over the hole it should hold the vacuum and keep the panel open (or closed, I can't remember if it fails open or closed, in your picture if fails open). If it doesn't hold you have a leak. Which it sounds like you think you have. The actuator in the kick panel has a lever on it which connects to the flapper door in the kick panel, so I think that they are different. I am not sure if they are interchangable. I am out of town right now and I think that I may have an actuator. I will be home over the weekeend and can check. It is for the kickpanel recirc and not sure if it will help for the cowl but I can look at it and maybe post a pic.

Brandan-

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post #5 of 10 (permalink) Old Aug 31st, 10, 08:48 PM Thread Starter
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Dale
 
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Re: factory AC cowl vent actuator what years?

I checked my 71, the actuators are different than my 68. bummer.
Also checked with the dealer, and the part is no longer made

68 Dana 302, 68 rs 327 daily driver/family car, 71 rs, track car/ driver, 68 firebird 400, 70 formula 400, 73 type LT, 98 TA, 2 goofy kids and an incredible wife.
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post #6 of 10 (permalink) Old Sep 1st, 10, 07:30 AM
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Re: factory AC cowl vent actuator what years?

dale, check with www.oldairproducts.com in Texas. They probably have those actuators.

Click..is Jim..former owner of a 69RS-LM1 350/255 - 700r
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post #7 of 10 (permalink) Old Sep 1st, 10, 05:03 PM Thread Starter
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Re: factory AC cowl vent actuator what years?

Thanks Jim, they have it.
Dale

68 Dana 302, 68 rs 327 daily driver/family car, 71 rs, track car/ driver, 68 firebird 400, 70 formula 400, 73 type LT, 98 TA, 2 goofy kids and an incredible wife.
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post #8 of 10 (permalink) Old Sep 2nd, 10, 07:04 AM
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Re: factory AC cowl vent actuator what years?

another happy TC member

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post #9 of 10 (permalink) Old Sep 3rd, 10, 09:52 AM
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Re: factory AC cowl vent actuator what years?

Dale, let me know if you still need one as I went to VA system and you can have my old one.

Steve
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post #10 of 10 (permalink) Old Sep 3rd, 10, 03:58 PM Thread Starter
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Re: factory AC cowl vent actuator what years?

Quote:
Originally Posted by foreverlookin View Post
Dale, let me know if you still need one as I went to VA system and you can have my old one.
Thanks, but I just ordered a new one.
Dale

68 Dana 302, 68 rs 327 daily driver/family car, 71 rs, track car/ driver, 68 firebird 400, 70 formula 400, 73 type LT, 98 TA, 2 goofy kids and an incredible wife.
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