Section 1 (Transfer Case - Mp 3023/3024 (NQH))
WARNING: This page is about a different variant/trim than selected.
- Specifications
- Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information And Procedures
- DTC B0770: AWD Indicator Circuit Short
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B0775: 4WD HI Indicator Circuit Short
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B0780: 4WD LO Indicator Circuit Short
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B0785: 2WD HI Indicator Circuit Short
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B0790: Neutral Indicator Circuit Short
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B2725, P0698 Or P0699: Transfer Case Range Selection Switch Circuit/5V Reference 3 Circuit
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C0306 Or C0381: Range Actuator Control Circuit/Range Actuator System Performance High Temperature
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C0321 Or C0326: Range Actuator Lock Control Circuit/Range Actuator Lock Control System Performance
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C0364 Or C0379: Front Axle System/Front Axle Switch Circuit
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C0387: Unable To Complete Shift
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C038D: Range Actuator - Position Not Learned
- DTC C0392, P0642 Or P0643: Transfer Case Range Position Sensor Circuit/5V Reference 1 Voltage
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC C0396, C039E, P0652 Or P0653: Range Actuator Position Sensor/8V Reference 2 Circuit
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC C0397: Transfer Case Clutch/Transfer Case Range Position Sensor Over Travel
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC C0398: Range Actuator Position - Range Position Correlation
- Diagnostic Instructions
- DTC Descriptor
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P062F Or P064F: Control Module Long Term Memory Performance/Unauthorized Calibration Detected
- DTC P17D4, P185F, P279A, P279B, P279C: Transfer Case Range (L83)
- DTC P185F Or P279A, P279B, P279C: Transfer Case Range (Not L83)
- DTC P2160 Or P2161: Vehicle Speed Sensor (VSS) 2 Circuit (2-Wire)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Transfer Case
- Front Axle Will Not Engage
- Front Axle Will Not Disengage
- Transfer Case Shift Control Switch Inoperative
- No Correction For Slip In All-Wheel Drive Mode
- Transfer Case Shift Control Switch Indicator Always On - Two Or More
- Transfer Case Shift Control Switch Indicator Inoperative - One Or More
- Service Indicator Always On
- Transfer Case High/Low Clutch Reset
- Transfer Case Popping Noise
- Transfer Case Banging Noise
- Transfer Case Whine Or Rumble Noise
- Transfer Case Growl Or Grinding Noise
- Transfer Case Grating Noise
- Transfer Case Clunk In 2HI Only
- Transfer Case Clunk In 4HI
- Transfer Case Clunk In 4LO
- Transfer Case Clunk During Acceleration And Deceleration
- Transfer Case Shudder Or Binding
- Transfer Case Will Not Shift
- Transfer Case Jumps Out Of Gear
- Transfer Case Leak Diagnosis
- DTC B0770: AWD Indicator Circuit Short
- Repair Instructions - On Vehicle
- Transfer Case Selector Switch Replacement (Chevrolet/GMC)
- Transfer Case Selector Switch Replacement (Cadillac)
- Transfer Case Control Module Replacement
- Transfer Case Shield Replacement
- Transfer Case Fluid Replacement
- Drain Plug Replacement
- Fill Plug Replacement
- Transfer Case Two/Four Wheel Drive Actuator Position Sensor Replacement
- Transfer Case Two/Four Wheel Drive Actuator Replacement
- Vehicle Speed Sensor Replacement
- Front Output Shaft Seal Replacement
- Rear Output Shaft Seal Replacement
- Transfer Case Rear Extension Bushing Replacement
- Transfer Case Assembly Replacement
- Transfer Case Adapter Replacement
- Input Shaft Seal Replacement
- Repair Instructions - Off Vehicle
- Transfer Case Disassemble
- Transfer Case Holding Fixture Installation
- Access Hole Plugs, Fill and Drain Plug, Vent, 2/4 Wheel Drive Actuator, Actuator Shaft Position Sensor and Vehicle Speed Sensor Removal
- Rear Output Shaft Seal and Bushing Removal
- Transfer Case Rear Case Half Removal
- Oil Pump Suction Pipe and Actuator Shaft Gear Removal
- Shift Fork Assembly, Drive Chain, and Rear Output Shaft Assembly Removal
- Rear Output Shaft Assembly Disassemble
- Input Shaft Oil Seal Removal
- Input Shaft and Planetary Assembly Removal
- Front Output Shaft Assembly Removal
- Transfer Case Front Half Cleaning And Inspection
- Transfer Case Rear Half Cleaning And Inspection
- Oil Pump Cleaning And Inspection
- Rear Output Shaft Cleaning And Inspection
- Front Output Shaft And Input Shaft Cleaning And Inspection
- Drive Chain, Drive Sprocket And Driven Sprocket Cleaning And Inspection
- High/Low Planetary Carrier Cleaning And Inspection
- High/Low Shift Components Cleaning And Inspection
- Two/Four Wheel Drive Shift Components Cleaning And Inspection
- Rear Output Shaft Bushing Replacement
- Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Front
- Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Rear
- Input Shaft Pilot Bearing Replacement
- Front Output Shaft Front And Rear Bearing Replacement
- Front Output Shaft Drive Sprocket Bearing Replacement
- High/Low Shift Fork Replacement
- Transfer Case Assemble
- Input Shaft and Planetary Assembly Installation
- Measuring Clutch Pack Height
- Clutch Assembly Installation
- Measuring/Adjusting Clutch Assembly Height
- Clutch Pressure Plate Installation
- Rear Output Shaft Assembly
- Shift Fork Assembly and Rear Output Shaft Assembly Installation
- Front Output Shaft Assembly, Drive Chain, Actuator Shaft Gear and Oil Pump Suction Pipe Installation
- Transfer Case Rear Case Half Installation
- Rear Output Shaft Seal and Bushing Installation
- Access Hole Plugs, Fill and Drain Plug, Vent, 2/4 Wheel Drive Actuator, Actuator Shaft Position Sensor and Vehicle Speed Sensor Installation
- Input Shaft Seal and Front Output Shaft Seal Installation
- Transfer Case Disassemble
- Description And Operation
- Transfer Case Identification
- Transfer Case Description And Operation
- Notes
- Transfer Case Shift Control Switch
- 2WD Mode Power Flow
- 4HI Mode Power Flow
- 4HI Mode Active Power Flow
- 4LO Mode Power Flow
- NEUTRAL Mode Power Flow
- Service 4 Wheel Drive Message
- Transfer Case Two/Four Wheel Drive Actuator Assembly
- Transfer Case Motor Lock
- Transfer Case Two/Four Wheel Drive Incremental Sensor
- Transfer Case Actuator Shaft Position Sensor Assembly
- Transfer Case Shift Control Module
- Vehicle Speed Sensor (VSS)
- New Product Information
- Notes
- 2019 NQH/NPO - Model Year Design Change
- 2017 NQF/NQG - Interim Model Year Design Change - DT - 51204 - New Design Case Separating Tool
- 2016 NQF/NQG with MW7 Transmission Interim Model Year Design Change - Front Case Half - Addition of Transmission Extension Housing Seal and New Design Gasket
- 2015 NQF/NQG - Interim Model Year Design Change (RPO-AVF) - Digital Speed Sensor
- 2015 NQH-HD Model Year Design Change - Addition of a NQH Transfer Case with HD Internal Components
- 2014 NQH/NQG-LD Model Year Design Change - Addition of a Tuned Vibration Adapter (dampener) for V-6 Engine RPO LV3 Applications
- 2013 Input Shaft Seal Installer Revisions
- 2012 Interim Model Year Design Change - NQF/NQG/NQH Front Case Half Assembly, Input Shaft, Planetary Carrier High/Low Clutch
- Assembly and Component Identification
- Magna Transfer Case Bar Code Label
- Production Assembly Breakpoints
- Magna Light Duty NQG/NQH/NP0 - First Design
- Magna Light Duty NQG/NQH/NP0 - Second Design
- Magna Heavy Duty NQF/NQG/NQH - First Design
- Magna Heavy Duty NQF/NQG/NQH - Second Design
- Front Case Half Identification
- Input Shaft Identification
- High/Low Planetary Carrier Assembly Identification
- High/Low Clutch
- Component Replacement - Light Duty Conversion from First Design to Second Design
- Component Replacement - Heavy Duty Conversion from First Design to Second Design
- Production Changes Summary
- 2012 Interim Model Year Design Change - NQG High/Low Shift Fork, Fork Pad and High/Low Clutch
- 2011 Interim Model Year Design Change - NQF/NQG HD and SHD Design Change - Main shaft, Pin and Thrust Washer
- 2011 Interim Model Year Design Change - NQF/NQG/NQH/NPO Front Output Shaft, Deflector, Seal
- 2010 Service Parts Release Usage Change - NQH/NPO Control Actuator Levers
- 2009 Interim Model Year Design Change - NQF Two/Four Wheel Drive Actuator Cam and Shaft
- Special Tools And Equipment