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Home >> Chevrolet >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1580 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Torque Converter Clutch Pulse Width Modulation Solenoid Valve Replacement >> Replacement Procedure

Replacement Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Retainer clips hold in each of the valve line-ups. Use a small screwdriver in order to remove the retainer clips. Be careful not to score the valve body when removing the retainer clips and valves. Before removing the valve line-ups, inspect each valve line-up for freedom of movement.
    Fig 1: Exploded View Of TCC Solenoid
    GM768699Courtesy of GENERAL MOTORS CORP.
  1. Remove the transmission side cover. Refer to Control Valve Body Cover Replacement 
  2. Remove the TCC solenoid retainer clip (304), the TCC solenoid (335), with two O-rings (337, 338), and screen, the TCC regulated apply valve (339) and the spring (340).
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