Question about 2001 Chevrolet Suburban

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Chevy Suburban 2001, rear heat works, front heat does not, blower works but no hot air. Also, A/C just stopped working also

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  • mwgdc May 26, 2010

    Was given advice and it worked. Remove the hoses to the heater core. Carefully flush the core with water and reattach the hoses. This fixed my problem instantly!

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Posted on Jan 02, 2017

roniecon
  • 6826 Answers

SOURCE: the front heater/air conditioner blower stopped

It can be the blower relay,or the blower motor itself

Posted on May 17, 2010

  • 564 Answers

SOURCE: 2001 dodge durango..rear air not working, front

u could have bad control modular,,have him ck that,,

Posted on May 28, 2010

  • 19 Answers

SOURCE: 2001 Suburban: I have a 2001 chevy suburban and the air condition...

if its the computer climate controlled series then it might be the the vents. what happenes some times is the vent wont switch over from hot to cold or vise-versa. i had the same problem but reversed, no heat in front and it worked up to the last time i had switched it from hot to cold.
give it a shot, best of luck

Posted on Jun 04, 2010

  • 90 Answers

SOURCE: 2001 tahoe front heater not working, rear heater blows warm air

Notorious for plugged heater cores. Also updated plastic restriction couplers mounted at heater core available from dealer. Try back flushing heater core. Run engine till its at operating temperature then carefully hold the inlet and outlet hose breifly with heater fan on high if hoses are nearly the same temp then flow is good , if not then core is plugged.

Posted on Jan 18, 2009

  • 507 Answers

SOURCE: 2003 chevy tahoe no rear heat

I know the earlier tahoe's have two heater lines running from the engine compartment to the rear under the vechile. Those lines could be clogged or pinched shut. What you do is get two hose locking pliers. Go under your truck, they are two metal lines that turn into rubber and back into metal again farther down the line. First, checked for pinched lines. If none, find where the rubber hoses are, clamp them off, remove from metal lines and drain. Use garden hose to flush fresh water through. When water comes through at high pressure and pretty clear, it should be done. Reconnect hoses, top off radiator fluid and it should be fine.

Posted on Feb 21, 2009

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2 Answers

No air blowing on any setting out any vent. rear works fine.


You need to replace the blower motor, and maybe the ballast resistor also.

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1999 suburban front blower stopped working


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2004 Chevy Suburban a/c and heating issues


see if theres power to the rear blower motor go under the rear and see if the one pipe is cold and the other is hot or at least warm if there the same then the rear system is plugged

Aug 17, 2012 | Cars & Trucks

1 Answer

2004 CHEVY SUBURBAN FRONT A/C WORKS BUT THE REAR DOESN'T TURN ON


There is a blower motor control processor for the back blower - it takes input from the front control and the rear control and decides the fan speed. That processor could be faulty, or the blower motor, or a 30amp fuse in the engine compartment.
In the front system you have a controller and blend doors that direct air thru the heater core and evaporator. You would need to check the operation of those blend doors.

Aug 17, 2012 | 2004 Chevrolet Suburban

1 Answer

I own a 2003 Chevy Suburban (Z71). The rear air-conditioning/heating does not work at all. I cannot get the blower to work, from either the front controls or the aux. I have checked all of the fuses, both...


If the fuses are good, check for power at the blower motor, or rap on it and see if it starts running. if it runs, it most likely is close to being worn out, replace it.

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2001 Suburban: I have a 2001 chevy suburban and the air condition...


if its the computer climate controlled series then it might be the the vents. what happenes some times is the vent wont switch over from hot to cold or vise-versa. i had the same problem but reversed, no heat in front and it worked up to the last time i had switched it from hot to cold.
give it a shot, best of luck

May 18, 2010 | 2001 Chevrolet Suburban

1 Answer

Front heat does not work, rear heat does?


I'm just a regular diy'er, no training. Had same problem, 2001 Suburban, front blew cool air when heating, rear heat warmed up nicely. After reading other posts on other boards, took off the the heater hose clamps (make sure you remember which is which) at the firewall. With low pressure garden hose flushed left inlet/outlet first till I got good flow, then the right side, and back to left. Reattached hoses, started and tested. Heat blows just fine. I can't think of anything that could be damaged by this, but check with someone who know something first before trying it on your vehicle, but it worked for me. So far so good.

Oct 05, 2009 | 2001 Chevrolet Suburban

1 Answer

Chevy suburban front blower only works on certain settings.


I had the similar problem with my 99 suburban. I replaced the blower switch and works just fine.

Sep 29, 2009 | 1999 Chevrolet Suburban

1 Answer

1992 GMC suburban front air don't blow


REMOVE THE BLOWER MOTOR CHECK IT.HOOK IT TO BATTERY TO SEE HOW WELL IT WORKS. IF IT RUN SLOW OR RUN STOP RUN.REPLACE IT.IF IT CHECKS OUT OKAY.THE PROBLEM. COULD BE THE AC+ HEAT- CONTROL MODE SWITCH.

Aug 02, 2009 | 1992 GMC Suburban

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