How to replace the A/C Switch in the HVAC Control Assembly on 2003 GMC Savana 3500?

The first step of HVAC control assembly replacement starts with removing both the I/P cluster trim plate and the retaining screw that holds the HVAC control assembly in place. Folding the HVAC control assembly releases the right-side locking tab before disconnecting all electrical connectors and vacuum connector for successful removal of the HVAC control assembly. Installation begins by connecting all the electrical connectors and vacuum connector before fastening the HVAC control assembly with its retaining screw at 2 N.m (18 lb in). Termination of the installation process includes reattaching the I/P cluster trim plate.

OEM 2003 GMC Savana 3500 A/C Switch

Air Conditioning Switch

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5 A/C Switches found

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2003 GMC Savana 3500 Heater Control
Part Number: 15858579
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Unit Control; Control, A/C Instrument Panel
- Replaces: 09375785, 25753628, 9375785
- Item Weight: 1.00 Pounds
- Item Dimensions: 11.3 x 3.3 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15858579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Savana 3500 Submodels:
- Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
2003 GMC Savana 3500 Heater Control
Part Number: 15858577
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Unit Control; Control, A/C Instrument Panel
- Replaces: 25753630, 9375825, 09375825
- Item Weight: 1.00 Pounds
- Item Dimensions: 11.1 x 3.3 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15858577
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Savana 3500 Submodels:
- Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
2003 GMC Savana 3500 Heater Control
Part Number: 15858580
Product Specifications
- Other Name: Control Assembly, Heater; Climate Control Module; Blower Control Switch; Dash Unit Control; Control, Heater Control
- Replaces: 09375805, 25753625, 9375805
- Item Weight: 1.00 Pounds
- Item Dimensions: 11.0 x 6.7 x 6.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15858580
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Savana 3500 Submodels:
- Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2003 GMC Savana 3500 Heater Control, Dark Gray
Part Number: 9375775
Product Specifications
- Other Name: Control Assembly-Auxiliary Heater & A/C *Very Dark Gray; Climate Control Module; Heater & A/C Control; Control, A/C Instrument Panel; Control, Heater Control
- Item Weight: 1.20 Pounds
- Item Dimensions: 11.1 x 6.8 x 6.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9375775
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Savana 3500 Submodels:
- Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
2003 GMC Savana 3500 Control Switch
Part Number: 25733037
Product Specifications
- Other Name: Control Assembly-Auxiliary Blower; Switch; Control, A/C Instrument Panel
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.3 x 2.2 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25733037
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Savana 3500 Submodels:
- Base, LS, LT, SLE | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL

2003 GMC Savana 3500 A/C Switch

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2003 GMC Savana 3500 Parts Questions & Experts Answers

Q: How to replace the A/C Switch in the HVAC Control Assembly on 2003 GMC Savana 3500?
A: The first step of HVAC control assembly replacement starts with removing both the I/P cluster trim plate and the retaining screw that holds the HVAC control assembly in place. Folding the HVAC control assembly releases the right-side locking tab before disconnecting all electrical connectors and vacuum connector for successful removal of the HVAC control assembly. Installation begins by connecting all the electrical connectors and vacuum connector before fastening the HVAC control assembly with its retaining screw at 2 N.m (18 lb in). Termination of the installation process includes reattaching the I/P cluster trim plate.