C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

AC question

Old Jul 14, 2013 | 10:51 AM
  #1  
cvette99's Avatar
cvette99
Thread Starter
7th Gear
15 Year Member
All Eyes On Me
 
Joined: Feb 2006
Posts: 7
Likes: 0
Default AC question

Year: 1999, A/C: manual
Problem: A/C not blowing cold
I vacuumed (had negative pressure for 24 hrs), added dye and recharged the system. The system blew cold for about a week (no compressor noise). I checked for leaks and found traces of dye under the compressor and on it.
Question: If the compressor had a leak could a negative pressure be maintained??
If I change the compressor,orifice and dryer should I flush the entire system??
Thanks for any help
Reply
Old Jul 14, 2013 | 12:53 PM
  #2  
kg54trains's Avatar
kg54trains
Burning Brakes
10 Year Member
 
Joined: Oct 2004
Posts: 925
Likes: 4
From: EXTON PA
Default

Originally Posted by cvette99
Year: 1999, A/C: manual
Problem: A/C not blowing cold
I vacuumed (had negative pressure for 24 hrs), added dye and recharged the system. The system blew cold for about a week (no compressor noise). I checked for leaks and found traces of dye under the compressor and on it.
Question: If the compressor had a leak could a negative pressure be maintained??
If I change the compressor,orifice and dryer should I flush the entire system??
Thanks for any help
There is a great thread on a A/C repair that gives you detailed infor with pics about the work involved, tools needed, advise on a step by step progression...Any work on the A/C system replacement should have a system flush and a system vacuum before you start to replace parts, add r134, or the compressor/refrig lub-oil-PAG#..Look up the thread it is a Winner
Reply
Old Jul 14, 2013 | 01:23 PM
  #3  
cvette99's Avatar
cvette99
Thread Starter
7th Gear
15 Year Member
All Eyes On Me
 
Joined: Feb 2006
Posts: 7
Likes: 0
Default

I read that article and it is great. My main question is could I have a compressor leak and still be able to maintain a negative vacuum??
Reply
Old Jul 14, 2013 | 01:32 PM
  #4  
corvettebob1's Avatar
corvettebob1
Melting Slicks
20 Year Member
Veteran: Army
Conversation Starter
All Eyes On Me
 
Joined: Dec 2003
Posts: 3,315
Likes: 17
From: Near Jacksonville Fl.
Default

Sure you can still have a leak, your only holding 30hg of vacuum.
If your finding traces of oil around the compressor or oil pan more then likely that is your leak.
Reply

Get notified of new replies

To AC question



Thread Tools
Search this Thread

All times are GMT -4. The time now is 02:59 PM.

story-0
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-1
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-2
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 11:09:53


VIEW MORE
story-3
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-4
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-5
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-6
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-7
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-8
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-9
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