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

A/C compressor removal

Thread Tools
 
Search this Thread
 
Old Dec 24, 2015 | 06:18 PM
  #1  
caryb78's Avatar
caryb78
Thread Starter
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2013
Posts: 300
Likes: 10
Default A/C compressor removal

Thinking about just taking the compresser off. I never use the A/C (New Hampshire). I turn it on every now and then to see if it works. I have to service it every year. The compressor or some part of the system is always in my way when I work on the engine. Can I just remove the compressor and line to the drier or is there something else that must be done? Merry Xmas.
Reply
Old Dec 24, 2015 | 07:08 PM
  #2  
MelWff's Avatar
MelWff
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 18,703
Likes: 2,572
Default

cant be sure from your post or profile what year the car is but if the compressor belt doesn't drive anything else you can remove the compressor. Might be a good idea to cap all the lines so no dirt gets in if you ever need to reinstall.
Reply
Old Dec 24, 2015 | 08:49 PM
  #3  
caryb78's Avatar
caryb78
Thread Starter
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2013
Posts: 300
Likes: 10
Default

Originally Posted by MelWff
cant be sure from your post or profile what year the car is but if the compressor belt doesn't drive anything else you can remove the compressor. Might be a good idea to cap all the lines so no dirt gets in if you ever need to reinstall.
Duh- sorry.78 pace car. Belt just drives compressor. Thanks.
Reply
Old Dec 25, 2015 | 07:15 PM
  #4  
DUB's Avatar
DUB
Race Director
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2009
Posts: 19,294
Likes: 2,753
From: Charlotte NC
Default

If my memory serves me correctly....if you use your windshield defroster...you are using your A/C without knowing it. The A/C mixes with the heated air from your heater so it is not that hot and can snap your windshield.

If you remove it....honestly take it to a shop that can suck out the Freon and do ALL of us a favor and not let it escape into the environment. REGARDLESS of what type of Freon is in it now.

All I will add is that if you do this...and EVER think that you might want it back on or sell it to someone who might want it to work....the system needs to stay sealed up. AND moisture that will get into the lines when you open up the system can mix with the oil and remaining residual of Freon and actually (as I have been told) can become caustic and damage parts that were good when you took it apart. Taping up the connections just does not cut it. It does for dirt...but long term...it will fail. I have the correct plastic caps that come on the lines and such and when I open a system to work on it or service a part I use them. And when I open up the system I have my caps ready to go on immediately....even though I know when it goes to get charged back up...pulling vacuum on the system is removing any trace moisture and air out of the system so it will work correctly.

Your car...your choice. Just 'saying'.

DUB
Reply
Old Dec 25, 2015 | 09:03 PM
  #5  
1974CorvetteJimCr's Avatar
1974CorvetteJimCr
Instructor
Supporting Lifetime Gold
Liked
Loved
Community Favorite
 
Joined: Mar 2013
Posts: 205
Likes: 20
Default Dehumidification

Originally Posted by DUB
If my memory serves me correctly....if you use your windshield defroster...you are using your A/C without knowing it. The A/C mixes with the heated air from your heater so it is not that hot and can snap your windshield.

DUB
... also the A/C in conjunction with heat drys out the air and defogs the windshield rapidly, where without the the A/C it will take longer.
Reply
Old Dec 26, 2015 | 12:37 AM
  #6  
REELAV8R's Avatar
REELAV8R
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2011
Posts: 6,284
Likes: 1,171
From: Hermosa
Default

I always thought that the ac compressor ran on defrost just to keep the front compressor seal lubed during the winter so rust wouldn't compromise the seal and lead to loss of freon.
I guess it might mix with heater air, never checked.
As far as sealing the remainder of the system you are going to be hard pressed to seal it effectively enough to keep it from "breathing" and introducing moisture and corrosion without the compressor attached. Best bet is to remove the hoses and cap the evaporator and condenser separately with screw on caps.
Reply
Old Dec 26, 2015 | 07:22 AM
  #7  
Easy Mike's Avatar
Easy Mike
Team Owner
Supporting Lifetime
20 Year Member
 
Joined: Jun 2000
Posts: 38,923
Likes: 1,481
From: Southbound
Cruise-In II Veteran
Default

Originally Posted by DUB
...If you remove it....honestly take it to a shop that can suck out the Freon and do ALL of us a favor and not let it escape into the environment. REGARDLESS of what type of Freon is in it now...
Reply
Old Dec 26, 2015 | 09:25 PM
  #8  
caryb78's Avatar
caryb78
Thread Starter
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2013
Posts: 300
Likes: 10
Default

I had the system evacuated . I simply removed the compressor and put plugs (high temperature rubber corks) in each of the openings in the rear fitting that attaches to the comp. Everything else stays intact. I don't use the defrost since the car is in for the winter. I had to take it off anyway since I may change the harmonica balancer.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old Dec 27, 2015 | 06:41 PM
  #9  
DUB's Avatar
DUB
Race Director
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2009
Posts: 19,294
Likes: 2,753
From: Charlotte NC
Default

Originally Posted by caryb78
I had the system evacuated . I simply removed the compressor and put plugs (high temperature rubber corks) in each of the openings in the rear fitting that attaches to the comp. Everything else stays intact. I don't use the defrost since the car is in for the winter. I had to take it off anyway since I may change the harmonica balancer.
Glad that you got it the way you want it now But for the record...you do not have to remove the A/C compressor to change out a harmonic balancer when the engine is still in the car.

DUB
Reply
Old Dec 27, 2015 | 06:54 PM
  #10  
caryb78's Avatar
caryb78
Thread Starter
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2013
Posts: 300
Likes: 10
Default

Originally Posted by DUB
Glad that you got it the way you want it now But for the record...you do not have to remove the A/C compressor to change out a harmonic balancer when the engine is still in the car.

DUB
I know you dont HAVE to but after looking at it at length I figured that I would have to go through that area at times to access the bolts for the pulley and removal tool. Still not sure about it. Any hints are appreciated.
Reply
Old Dec 28, 2015 | 06:21 PM
  #11  
DUB's Avatar
DUB
Race Director
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2009
Posts: 19,294
Likes: 2,753
From: Charlotte NC
Default

I have a very flexible long hose that is attached to my impact...so I can get it down in the area in front of the harmonic balancer and I can easily remove the bolts with a tap of the trigger. I take the fan off the front of the water pump... which is a snap WHILE all the belts are still tight to aid in getting the nuts to come loose.

DUB
Reply
Old Dec 28, 2015 | 06:30 PM
  #12  
caryb78's Avatar
caryb78
Thread Starter
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2013
Posts: 300
Likes: 10
Default

Originally Posted by DUB
I have a very flexible long hose that is attached to my impact...so I can get it down in the area in front of the harmonic balancer and I can easily remove the bolts with a tap of the trigger. I take the fan off the front of the water pump... which is a snap WHILE all the belts are still tight to aid in getting the nuts to come loose.

DUB
How hard is it to pull off the balancer.? I have the tool just dont know what to expect for what it takes to break it loose?
Reply
Old Dec 28, 2015 | 08:44 PM
  #13  
croaker's Avatar
croaker
Melting Slicks
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 2,369
Likes: 103
From: Centerville Louisiana
Default

A little curious where would one find caps for the hoses left unconnected if compressor were removed?
Reply
Old Dec 29, 2015 | 06:27 PM
  #14  
DUB's Avatar
DUB
Race Director
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2009
Posts: 19,294
Likes: 2,753
From: Charlotte NC
Default

Originally Posted by caryb78
How hard is it to pull off the balancer.? I have the tool just dont know what to expect for what it takes to break it loose?
You might find that when you use your CORRECT harmonic balancer removal tool....and bolt it to the harmonic balancer.....and begin to tighten the bolt in the center that will begin to press against the crankshaft and push the balancer off...that it might take a bit of effort to get the balancer to begin to move. AS LONG AS you have the harmonic balancer tool installed EVENLY....so it will pull it off evenly...you should not have a problem. It is not just going to come off using your fingers...you are going to have to put some muscle into it....and do not be shocked if you hear a POP sound and that is the seat that is being separated (so-to-speak) due to it being on the engine for so long. Hopefully your tool has the pointed attachment that goes in the end of the center long bolt so it will center itself in the hole in the end of the crankshaft also. Make sure the size is BIG enough so you do not force a small one in the hole and get it stuck. OBVIOUSLY...if the diameter of your tapered pointed attachment is larger than the hole in the end of the crank...you are OK.

DUB

Last edited by DUB; Dec 29, 2015 at 06:28 PM.
Reply
Old Dec 29, 2015 | 07:27 PM
  #15  
mikem350's Avatar
mikem350
Melting Slicks
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Feb 2006
Posts: 3,105
Likes: 96
From: Sunrise FL
Default

As for the defroster, the AC is set to run to de-humidify the heated air, works much better. But as we all know, heated air by itself works, just takes longer.
Reply

Get notified of new replies

To A/C compressor removal





All times are GMT -4. The time now is 05:56 AM.

story-0
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
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE