Replacing Defrost lever on 71 K20 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Murphy IRE · 04-23-2010, 10:43 AM

On the vent. I understand now the function for "Fresh Air" vs. inside air. Once I get the A/C hooked up, I don't want fresh air, I just want to freeze my tail off when it is HOT! So, I see I can add a manual lever to the vent just like the driver's side. OK everyone, what are your thoughts?
(God knows what kind of shape the A/C is in, I'm sure it's a major project!!!)

Keep the vacuum control or go to manual on the vent?

04-23-2010, 10:43 AM	#1
Murphy IRE Registered User Join Date: Oct 2009 Location: South Denver Metro, CO Posts: 385	Re: Replacing Defrost lever on 71 K20 On the vent. I understand now the function for "Fresh Air" vs. inside air. Once I get the A/C hooked up, I don't want fresh air, I just want to freeze my tail off when it is HOT! So, I see I can add a manual lever to the vent just like the driver's side. OK everyone, what are your thoughts? (God knows what kind of shape the A/C is in, I'm sure it's a major project!!!) Keep the vacuum control or go to manual on the vent?



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