CorvetteForum - Chevrolet Corvette Forum Discussion

C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

a/c max norm controls on 81 vette

Thread Tools
 
Search this Thread
 
Old Apr 28, 2017 | 12:26 PM
Share
  #1  
jasonwi62's Avatar
jasonwi62
Thread Starter
3rd Gear
 
Joined: Apr 2017
Posts: 3
Likes: 0
Default a/c max norm controls on 81 vette
what controls the air flow from the vents when you can A/c from norm to max
Reply
0
Old Apr 28, 2017 | 01:15 PM
Share
  #2  
MelWff's Avatar
MelWff
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 18,758
Likes: 2,590
Default
a blend door activated by a vacuum diaphragm
Reply
0
Old Apr 28, 2017 | 02:14 PM
Share
  #3  
jasonwi62's Avatar
jasonwi62
Thread Starter
3rd Gear
 
Joined: Apr 2017
Posts: 3
Likes: 0
Default
where is it or what vacuum line controls it?


Does the blower ac relay play apart?
Reply
0
Old Apr 28, 2017 | 02:35 PM
Share
  #4  
Willcox Corvette's Avatar
0Willcox Corvette
Former Vendor
 
Joined: Aug 2006
Posts: 76,656
Likes: 1,853
From: Jeffersonville Indiana 812-288-7103
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Default
Number 11 in the picture below.



Or..



Or..

The actual door... And you might check the plastic link because they tend to break quite often.

Reply
0
Old Apr 28, 2017 | 02:41 PM
Share
  #5  
Big2Bird's Avatar
Big2Bird
Le Mans Master
15 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Dec 2006
Posts: 8,837
Likes: 1,028
Default
Originally Posted by jasonwi62
what controls the air flow from the vents when you can A/c from norm to max
On Max it closes the vent flap under the right kick panel to recirculate. Normal opens that vent to outside air.
Last edited by Big2Bird; Apr 28, 2017 at 02:42 PM.
Reply
1
Old Apr 28, 2017 | 03:14 PM
Share
  #6  
jasonwi62's Avatar
jasonwi62
Thread Starter
3rd Gear
 
Joined: Apr 2017
Posts: 3
Likes: 0
Default
thank you have something to tackle this weekend
Reply
0
Old Apr 28, 2017 | 06:32 PM
Share
  #7  
'75's Avatar
'75
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Dec 2007
Posts: 6,422
Likes: 591
From: McHenry Illinois
Default
I was thinking that on Max, it closes the door in the wiper tray(no more outside air) and opens the one in the right kick panel so the blower motor gets recirculated air from inside the car.
Reply
0
Old Apr 28, 2017 | 08:01 PM
Share
  #8  
Big2Bird's Avatar
Big2Bird
Le Mans Master
15 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Dec 2006
Posts: 8,837
Likes: 1,028
Default
Originally Posted by '75
I was thinking that on Max, it closes the door in the wiper tray(no more outside air) and opens the one in the right kick panel so the blower motor gets recirculated air from inside the car.
Correct sir. It closes the plenum door, and opens the kick panel. Been awhile..
Reply
0

Get notified of new replies

To a/c max norm controls on 81 vette

Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

5 Best & 5 Most Overrated Corvette Track Packages of All Time!

 Joe Kucinski
story-1

Every 2027 Corvette Engine Explained

 Joe Kucinski
story-2

Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

 Verdad Gallardo
story-3

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-4

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-5

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-6

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-7

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-8

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-9

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
Back to Subforum
C3 Tech/Performance
View Next Unread
1982 Horn button




Click for Advanced Search
Reply Closed Thread Share
Forum Jump
Trending Topics

All times are GMT -4. The time now is 01:13 AM.

story-0
5 Best & 5 Most Overrated Corvette Track Packages of All Time!

Slideshow: The 5 best and 5 most overrated Corvette track packages ever.

By Joe Kucinski | 2026-06-09 12:46:45


VIEW MORE
story-1
Every 2027 Corvette Engine Explained

Slideshow: Every 2027 Corvette engine explained

By Joe Kucinski | 2026-06-09 12:16:31


VIEW MORE
story-2
Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

Slideshow: A Jaguar designer's personal project imagines what a modern front-engined Corvette might look like if Chevrolet revisited the golden age of the Stingray.

By Verdad Gallardo | 2026-06-08 19:53:43


VIEW MORE
story-3
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-4
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-5
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-6
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-7
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-8
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-9
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE