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HOMESERVICE MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 6L45/6L50/6L80/6L90 - REPAIR INSTRUCTIONS - ON VEHICLEREPAIR INSTRUCTIONS - ON VEHICLECONTROL SOLENOID VALVE AND TRANSMISSION CONTROL MODULE ASSEMBLY REPLACEMENT
2010 Chevrolet Chevy Express G3500, Van Passenger Extended

Control Solenoid Valve and Transmission Control Module Assembly Replacement

2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Control Solenoid Valve and Transmission Control Module Assembly Replacement
Fig 1: Identifying Control Valve Body Assembly Components & Bolt Tightening Sequence
GM1566335Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the control valve body assembly. Refer to Control Valve Lower Body and Upper Body Replacement .
1 NEW Fluid Pump Seal Assembly
2 NEW Fluid Pump Seal Assembly
3 NEW Center Support Fluid Passage Seal Assembly
4 Control Valve Body Assembly
CAUTION: The control valve body assembly needs to be lowered into place vertically, with no lateral movement. Lateral movement can damage the pass through connector pins and/or the oil transfer seals.

Tip: 
  • Note the lengths of the bolts when removed for correct positioning during installation.
  • Align the manual shift shaft position switch activator slide with the detent lever guide pin.
5 Bolt M5 x 73 (Qty: 6)
CAUTION: Refer to Fastener Caution .

Procedure: 
Tighten in the sequence shown.

Tighten:  8 N.m (71 lb in)


Special Tool: 
DT-48285:  Valve Body TORX Plus Socket (if applicable)
For equivalent regional tools, refer to Special Tools .
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.