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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1194 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Valve Body and Pressure Switch Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the checkballs (1-7) in the valve body.
    Fig 1: Installing Checkballs (1-7) In Valve Body
    G01972989Courtesy of GENERAL MOTORS CORP.
  2. Install the control valve body to the transmission case while simultaneously connecting the manual valve link to the manual valve.
    Fig 2: Connecting Manual Valve Link To Manual Valve
    G01972990Courtesy of GENERAL MOTORS CORP.
  3. Verify that the manual valve link (3) is installed properly to the inside detent lever (1) and the manual valve (2).
    Fig 3: Installing Properly To Inside Detent Lever & Manual Valve
    G01972991Courtesy of GENERAL MOTORS CORP.
  4. Install one bolt (M6 X 1.0 X 47.5) hand tight in the center (1) of the valve body to hold it in place.
    Fig 4: Identifying Location Of Valve Body Center Bolt
    G01972992Courtesy of GENERAL MOTORS CORP.

    Important:  When installing bolts throughout this procedure, be sure to use the correct bolt size and length in the correct location as specified.

  5. Do not install the transmission fluid indicator stop bracket and bolt at this time.

    Install but do not tighten the control valve body bolts which retain only the valve body directly.

    Each numbered bolt location corresponds to a specific bolt size and length, as indicated by the following:

    • M6 X 1.0 X 65.0 (1)
    • M6 X 1.0 X 54.4 (2)
    • M6 X 1.0 X 47.5 (3)
    • M6 X 1.0 X 35.0 (4)
    • M8 X 1.0 X 20.0 (5)
    • M6 X 1.0 X 12.0 (6)
    • M6 X 1.0 X 18.0 (7)
    Fig 5: Installing But Do Not Tighten Control Valve Body Bolts
    G01972993Courtesy of GENERAL MOTORS CORP.
  6. Install the manual detent spring.
  7. Install but do not tighten the manual detent spring retaining bolt.
    Fig 6: Installing But Do Not Tighten Manual Detent Spring Retaining Bolt
    G01972994Courtesy of GENERAL MOTORS CORP.
  8. Install the transmission fluid pressure switch.
  9. Install but do not tighten the control valve body bolts which retain the transmission fluid pressure switch to the control valve body.
    Fig 7: Installing But Do Not Tighten Control Valve Body Bolts
    G01972995Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
    NOTE: Torque valve body bolts in a spiral pattern starting from the center. If the bolts are torqued at random, valve bores may be distorted and inhibit valve operation.
  10. Tighten the control valve body bolts in a spiral pattern starting from the center, as indicated by the arrows.

    Tighten 

    Tighten the control valve body bolts (in sequence) to 11 N.m (97 lb in).

    Fig 8: Tightening Control Valve Body Bolts In Spiral Pattern Starting From Center
    G01972996Courtesy of GENERAL MOTORS CORP.
  11. Ensure that the manual detent spring is aligned properly with the detent lever.

    Tighten 

    Tighten the manual detent spring bolt to 31 N.m (23 lb ft).

    Fig 9: Manual Detent Spring Bolt
    G01972997Courtesy of GENERAL MOTORS CORP.
  12. Install the TCC solenoid with a new O-ring seal to the valve body.
    Fig 10: Installing TCC Solenoid With New O-Ring Seal To Valve Body
    G01972998Courtesy of GENERAL MOTORS CORP.
  13. Install the TCC solenoid bolts.

    Tighten 

    Tighten the TCC solenoid retaining bolts to 11 N.m (97 lb in).

    Fig 11: TCC Solenoid Bolts
    G01972999Courtesy of GENERAL MOTORS CORP.
  14. Install the internal wiring harness to the valve body. The internal wiring harness has a tab (1) on the edge of the conduit.
    Fig 12: Installing Internal Wiring Harness To Valve Body
    G01973000Courtesy of GENERAL MOTORS CORP.
  15. Place the tab between the valve body and the pressure switch in the location shown (2). Press the harness into position on the valve body bolt bosses (1, 3).
    Fig 13: Placing Tab Between Valve Body & Pressure Switch
    G01973001Courtesy of GENERAL MOTORS CORP.
  16. Install the TCC PWM solenoid (1) to the control valve body.
  17. Install the TCC PWM solenoid retainer (2).
    Fig 14: Installing TCC PWM Solenoid To Control Valve Body
    G01973002Courtesy of GENERAL MOTORS CORP.
  18. Install the transmission fluid indicator stop bracket (1) and bolt (2).

    Tighten 

    Tighten the transmission fluid indicator stop bracket bolt to 11 N.m (97 lb in).

    Fig 15: Transmission Fluid Indicator Stop Bracket & Bolt
    G01973003Courtesy of GENERAL MOTORS CORP.
  19. Connect the internal wiring harness electrical connectors to the following components:
    • The transmission fluid pressure manual valve position switch (1)
    • The 1-2 shift solenoid (2)
    • The 2-3 shift solenoid (3)
    • The pressure control solenoid (4)
    • The TCC PWM solenoid (5)
    • The 3-2 shift solenoid (6)
  20. Install the transmission oil pan and filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT .
  21. Lower the vehicle.
  22. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
    Fig 16: Connecting Internal Wiring Harness Electrical Connectors To Components
    G01973004Courtesy of GENERAL MOTORS CORP.
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