Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2005BLAZER 4WD V6-4.3L VIN XREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - TRANSFER CASECONTROL MODULESERVICE AND REPAIRNVG 236-NP8
2005 Chevrolet Blazer 4WD V6-4.3L VIN X
NVG 236-NP8
2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION NVG 236-NP8
Transfer Case Shift Control Module Replacement
Removal Procedure
1. Remove the right lower hinge trim panel.
2. Disconnect the 2 wiring harness connectors from the automatic transfer case control module
3. Remove the 3 nuts securing the automatic transfer case control module to the retainer.
4. Slide the automatic transfer case control module straight out from the retainer.
Installation Procedure
1. Notice: Refer to Fastener Notice in Service Precautions.
Install the automatic transfer case control module into the retainer with the 3 nuts.
^ Tighten the nut to 6 Nm (53 inch lbs.).
2. Connect the 2 wiring harness connectors to the automatic transfer case control module.
3. Install the right lower hinge trim panel.
4. Start the engine and test the automatic transfer case system for proper shift operation.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.