Question about 2005 Chevrolet Suburban

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I have had the heater control module serviced by the NAPA Auto Care Center where I live 6 times. They replaced it three times and cleaned out the drain for the front and rear accy unit twice. All this was done in 2010. Now, in February 2011, it gave out again. Is this a recurring problem with this model Suburban or could it be something else? I have been told that the drain gets frequently clogged on these models, but this is ridiculous! I would like to tackle this problem on my own, can someone advise me where the drain is located and what to remove to gain access so I can service it myself?

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  • Robert Hamilton Apr 04, 2011

    I will give it a shot and see what happens. I would like to find a permanent solution to this recurring problem as I am getting a little upset with the fact that I have paid to have this fixed and still it comes to haunt me. Thanks for the advise. I will let you know what happens.

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  • Master
  • 594 Answers

Front right side firewall below heater core lines above frame you will see
a short section of rubber line that is black and kinda duck bill end with a slitt
when you pinch the end open up allowing dedrit to flow out
but i would check on the cabin air filter insde the heater system probably cloged up
causing system to over heat and fail
take lower heater panel off on pasenger side foot area (below glove box)
once cover removed you should see a small trap door that is retained by screw
remove then 2 filters are in this cavity remove them may need compressed air to
blow true if really dirty replaced the filters with new one and reassemble

Posted on Apr 03, 2011

  • DON MAJOR Apr 04, 2011

    no flow or low flow from blower motor will cause modul to burn up

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How to replace heater climate control box on 2000 jeep grand Cherokee


working blind, no FSM sounds like it? factory service manual.
easter egg hunts,

climate control box.
the panel (control)
  1. Disconnect and isolate the negative battery cable.
  2. Remove the center bezel from the instrument panel and place it on a workbench.
  3. Remove the screws that secure the electronic vehicle information center (EVIC) control and the A/C-heater control to the center bezel and remove the controls.

or
the automatic control zone module, option? AXC its called
The AXCM it it.

you scanned it and the DTC logs prove it bad.
FSM qoutes
The AZC control module is capable of three different
types of self-diagnostic tests, as follows:
² Fault Code Tests
² Input Circuit Tests
² Output Circuit/Actuator Tests
The information that follows describes:
² How to read the self-diagnostic display
² How to enter the AZC control module self-diagnostic
test mode
² How to select the self-diagnostic test types
² How to perform the different tests
and
To enter the AZC self-diagnostic mode, perform the
following:
(1) Depress the A/C and Recirc buttons at the
same time and hold. Rotate the left temperature control
knob clockwise (CW) one detent.
(2) If you continue to hold the A/C and Recirc buttons
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In the Segment Test you should see all of the
display segments illuminate as long as both buttons
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(3) After viewing the Segment Test, release the
A/C and Recirc buttons and the display will clear
momentarily. If a 0 is displayed, then no faults
are set in the system.

remove
find it,
unplug it
unscrew it
its out.


is it not inside this part?
http://www.ebay.ca/itm/99-02-Grand-Cherokee-WJ-AZC-Automatic-Zone-Control-Digital-Climate-AC-Heater-J/331385209420?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140620075055%26meid%3Dc65ed9b0ea294f58ab9db96ebd916c19%26pid%3D100011%26rk%3D4%26rkt%3D10%26sd%3D321318868998

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P0316 - Engine Misfire Detected on Start up (First 1000 Revolutions)

I checked the P0316 and this is what I got:

1. Fuel pressure - Pump, regulator, filter or lines
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keep us updated.

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1987 ford temp automatic - will start when engine is cold, run until it warms up, approximately 5-10 minutes, then just shuts off.


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3 Answers

My fuel pump went out and the garage told me it will be $615.00 to repair, does that sound about right?


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