Where is the recirculation actuator on the HVAC module?

Per the diagram, the Recirculation Actuator (callout 2) is at the top rear of the HVAC module, next to the Recirculation door (callout 3) shown at the upper right of the assembly.

Where is the mode actuator located?

The Mode Actuator (callout 6) is on the left side of the HVAC module assembly in this top view, near the blower area, while the Mode Door (callout 1) is in the top center of the case.

Which air temperature actuator is shown in this diagram?

The diagram labels callout 4 as the 'Air Temperature Actuator - Right', located toward the middle/right side of the HVAC module assembly.

What components are identified in this HVAC module top view?

Six items: 1 - Mode Door, 2 - Recirculation Actuator, 3 - Recirculation door, 4 - Air Temperature Actuator - Right, 5 - HVAC Module Assembly, 6 - Mode Actuator.

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2004 Chevy Tahoe HVAC Module Assembly Top View - Actuator & Door Locations

HVAC module assembly diagram with numbered callouts and component legend

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Exploded assembly diagram of the HVAC module showing mode door, recirculation actuator and air temperature actuator with a numbered legend.

AI caption November 2010 · Photo 9 of 15

This document is an exploded/labeled illustration of an HVAC module assembly viewed from the top, uploaded to a 2004 Chevrolet Tahoe gallery. The line drawing shows the complete heater/air conditioning box with its plastic housing, blower area, wiring harness, and attached electric actuators. Six numbered callouts identify components: (1) the Mode Door, (2) the Recirculation Actuator, (3) the Recirculation door (shown as a grille-like panel at the upper right), (4) the Air Temperature Actuator - Right, (5) the HVAC Module Assembly itself, and (6) the Mode Actuator on the left side of the case. A reader can use this diagram to locate each actuator and door on the HVAC case, which is useful when diagnosing blend/mode door problems, replacing a failed actuator, or orienting oneself before removing the module. The document contains no part numbers, torque specifications, wire colors, or year/model statements — it is purely a component-identification illustration. It appears to be one page of a multi-page set of factory-style service diagrams (other pages cover door switches, interior lighting, liftgate lock relay, rear window, and rear wiper circuits).

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Frequently asked questions

Where is the recirculation actuator on the HVAC module?: Per the diagram, the Recirculation Actuator (callout 2) is at the top rear of the HVAC module, next to the Recirculation door (callout 3) shown at the upper right of the assembly.
Where is the mode actuator located?: The Mode Actuator (callout 6) is on the left side of the HVAC module assembly in this top view, near the blower area, while the Mode Door (callout 1) is in the top center of the case.
Which air temperature actuator is shown in this diagram?: The diagram labels callout 4 as the 'Air Temperature Actuator - Right', located toward the middle/right side of the HVAC module assembly.
What components are identified in this HVAC module top view?: Six items: 1 - Mode Door, 2 - Recirculation Actuator, 3 - Recirculation door, 4 - Air Temperature Actuator - Right, 5 - HVAC Module Assembly, 6 - Mode Actuator.