Question about Chevrolet Silverado 2500HD

3 Answers

AC TURNS WARM AFTER WHILE SYS WILL BE ON MAX COOL, WHEN THIS HAPPENS. NO CODES R STORED, PLEASE HELP

Posted by on

  • 3 more comments 
  • RICH Sep 25, 2009

    YES

  • RICH Sep 25, 2009

    2004 CHEVY SILVERADO CREW CAB 2500 HD 6.0L TURN AC SYS ON MAX, AFTER A LITTLE WHILE AIR GETS HOT, I FOUND IF I SHUT THE SYS OFF AND TURN THE ENGINE OFF, AND START OVER AGAIN SYS WORKS FINE, NO CODES STORED.

  • RICH Sep 25, 2009

    2004 CHEVY SILVERADO 4X4 CREW CAB 6.0L, WITH AC SYS ON MAX, WHILE DRIVING HEAT COMES THREW VENTS, NOT WARM AIR BUT HEAT, I FIGURED OUT IF I TURN OFF AC SYS AND TURN OFF VEHICLE, THEN START ALL OVER SYS WORKS OK. NO CODES STORED IN SYS FREON OK, COMPRESSOR OK, IT'S ELECTRICAL' JUST CANT FIGURE IT OUT. PLEASE HELP.

  • RICH Sep 26, 2009

    YES

  • RICH Sep 26, 2009

    HOW DO I GET TO SCREEN WITH THE ANSWERS,

×

3 Answers

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Brigadier General:

    An expert that has over 10,000 points.

  • Master
  • 5,158 Answers

Do you hear the compressor kicking in ?

Posted on Sep 25, 2009

  • Roberta Smith
    Roberta Smith Sep 26, 2009

    have you had the a/c pressure tested recently. appears that it is low on freon.

×

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 11,896 Answers

Either the system needs to b recharged, or there is an air leak. To see if there is a leak, check in the sight glass on the compressor to see if there is bubbles or fog in the unit. If not, then condensor or compressor could be faulty. Make sure clutch is engaging.

Posted on Sep 25, 2009

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    President:

    An expert whose answer got voted for 500 times.

  • Master
  • 1,922 Answers

Does it begin to cool during the initial start up of the A/C unit?

Posted on Sep 25, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

From time to time the AC on a 50 mile commute the airflow will lower to almost nothing and air temp increase while the blower noise sounds resisted. I can exit the interstate and start back up and the...


i dont know if you have a cabin air filter if you do replace it if its real dirty. most cars ac will have this problem if the ac is low on freon. when you check the freon. make sure the ac is on max ac, at its coldest setting with the fan on max. with the engine running check ac pressure. have someone hit the gas a little & see if the pressure drops. add as needed. most gauges from the parts store have a dial on the front. point it at outside temp & make sure pressure is the max for that range.

Oct 15, 2013 | 2000 Volkswagen Beetle

1 Answer

On a 2001 chevy silverado 2500HD the ac blows cool in idle or slow speeds but while driving the air gets warm and then cool warm and then cool etc. i cant tell if the compressor is cutting on and off


You might be low on freon if not compressor going bad to see if your compressor is going on and off turn on a/c on max have some one hold gas peddle down around 1500 rpm or just at a small fast idleif compressor goes on and off recharge it most likely one or two cans will be enough

Aug 24, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

The a/c started working on and off. sometimes was cooling then other times warm air only,. Had the coolant checked it was fine. I noticed the other day when you check the outside temp. the was way off...


Hi. Try to check first your refrigerant. One cause of this problem is refrigerant is running low. Did this happened from the time you turn on the AC? or at first AC is cold then after driving for a certain period of time the AC will get warm?

Aug 12, 2010 | 1998 Lincoln Mark VIII

2 Answers

1999 Alero: where is the a/c control tempature :problem is wh...


WELL TURN ON AC MAX COLD HIGH TO SEE IF COOLANT FANS TURN ON.IF NOT YOUR REFRIGERANT SO LOW THAT THE AC REFRIGERANT PRESSURE SENSOR WONT CLOSE CIRCUIT TO TURN ON COOLING FANS.MEANING YOU NEED HAVE AC CHECKED AND CHARGED.ALSO CHECK COMPRESSOR FOR POWER IF NOT YOU HAVE BLOWED FUSE OR BAD RELAY.IF FUSE AND RELAY GOOD YOUR AC COMPRESSOR CLUTCH COIL OPEN OR THE AC CONTROL SWITCH IS BAD.IF COMPRESSOR IS RUNNING WHEN YOU TURN ON AC YOUR AIR TEMPERATURE ACTUATOR NOT WORKING.

May 17, 2010 | 1999 Oldsmobile Alero

1 Answer

AC blowinghot air


Locate wires coming from compressor clutch and trace to nearest plug that you can unplug. Turn on A/C to max cooling. If clutch not engaged (center of compressor drive pulley not spinning with pulley), unplug compressor clutch wires and use multimeter to check voltage going to compressor clutch. If voltage is around 12 volts or more, then clutch should be engaged when plugged in. Plug clutch wires back in (with motor still running and ac set to max). If clutch still not engaged, then clutch definitely bad because 12V signal should engage it.

May 08, 2010 | 2002 Lincoln LS

1 Answer

While running down the street the ac works great. When I stop for a stop light the ac quits working and blows warm air. When the light turns green and I start moving again the ac works great.


two things are possible here. is the a/c fan working or not. this would mean you are not getting the cooling while setting still but are while moving. also you could be low on freon charge and this will happen. if this helps please reply and good luck

May 05, 2010 | 2004 Dodge Ram 1500

1 Answer

2006 corolla electric cooling fan not working


check the ac switch, evaporator sensor.

Apr 20, 2009 | 2000 Toyota Corolla

1 Answer

2002 GMC Savana 2500 Front AC warm, rear AC cool/cold


Typical symptoms of being a little low on refrigerant.

Oct 27, 2008 | 2000 GMC Savana

1 Answer

A/C not cooling


Have you checked the AC pressures? The low side should be 28-32 PSI. When you say coolant do you mean the AC refrigerant? or the engine coolant?

Apr 11, 2017 | 2004 Toyota Tacoma

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

44 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

75051 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

7726 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...