Control Valve Body Installation

Tools Required

• J 25025-5  Dial Indicator Mounting Post M6 x 1. See Special Tools and Equipment .00
• J 36850 Transjel Lubricant

Fig 1: Installing Checkballs (2-6, 8, 12) In Valve Body & Retaining Checkballs
Courtesy of GENERAL MOTORS CORP.
1. Install the checkballs (2-6, 8, 12) in the valve body and retain checkballs with J 36850 or an equivalent.
Fig 2: Installing Valve Body Over J 25025-5
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2. Install the valve body over the J 25025-5  Guide Pins, and connect the manual valve link to the manual valve. See Special Tools and Equipment .
3. Install two bolts to hold the valve body in place.
4. Remove the J 25025-5  . See Special Tools and Equipment .
Fig 3: Fluid Level Indicator Stop Bracket & Valve Body Bolts
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5. Install the fluid level indicator stop bracket (93) and the valve body bolts (62) that are shown only.
6. Finger tighten the bolts.
Fig 4: Inspecting Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
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7. Inspect the Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly for the following conditions:
   • Damage
   • Debris
   • Damaged or missing O-rings
   • Cracked connector
   • Loose pins
   • Poor terminal retension
   • Sediment in switch membrane
Fig 5: TFP Manual Valve Position Switch & Bolts
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8. Install the TFP manual valve position switch (69) and bolts (62, 70).
Fig 6: Inspecting Wiring Harness Solenoid Assembly
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9. Inspect the wiring harness solenoid assembly for the following conditions:
   • Damage
   • Cracked connectors
   • Exposed wires
   • Loose pins
   • Poor terminal retension
Fig 7: TCC Solenoid Valves & Bolts
Courtesy of GENERAL MOTORS CORP.
10. Install the transmission wiring harness on the valve body.
11. Install the TCC solenoid valve and bolts (68).
Fig 8: Electrical Connectors & Electrical Components
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IMPORTANT: You must tighten certain bolts in a spiral pattern as indicated. If you tighten these bolts at random you may distort valve bores. This will inhibit valve operation.
NOTE: Refer to Fastener Notice in Cautions and Notices.
12. Tighten the bolts in the order shown.

    Tighten:  Tighten the bolts to 11 N.m (8 lb ft).

    Each bolt number refers to a specific bolt size, as indicated by the following list:

    • 1 - M6 x 1.0 x 65.0
    • 2 - M6 x 1.0 x 54.4
    • 3 - M6 x 1.0 x 47.5
    • 4 - M6 x 1.0 x 35.0
    • 5 - M8 x 1.25 x 20.0
    • 6 - M6 x 1.0 x 12.0
    • 7 - M6 x 1.0 x 18.0
Fig 9: TCC PWM Solenoid Valve & Solenoid Retainer
Courtesy of GENERAL MOTORS CORP.
13. Install the TCC PWM solenoid valve (396) and the solenoid retainer (395).
Fig 10: Electrical Connectors & Electrical Components
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14. Connect all electrical connectors (1-6) to the electrical components.