Control Valve Body Installation

Tools Required

• J 25025-5 Guide Pins
• J 36850 Assembly Lubricant

Fig 1: Identifying Checkball Installation Positions
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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
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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.
3. Install two bolts to hold the valve body in place.
4. Remove the J 25025-5  .
Fig 3: Identifying 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 TFP For Damage
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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
Fig 5: Removing/Installing Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
Courtesy of GENERAL MOTORS CORP.
8. Install the TFP manual valve position switch (69) and bolts (62, 70).
Fig 6: Identifying 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
Fig 7: Locating Transmission Wiring Harness
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10. Install the transmission wiring harness on the valve body.
11. Install the TCC solenoid valve and bolts (68).
Fig 8: Valve Body Bolt Tightening Sequence
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IMPORTANT: You must tighten certain bolts in a spiral pattern as indicated by the arrows. If you tighten these bolts at random you may distort valve bores. This will inhibit valve operation.
NOTE: Refer to Fastener Notice .
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: Locating TCC PWM Solenoid Valve
Courtesy of GENERAL MOTORS CORP.
13. Install the TCC PWM solenoid valve (396) and the solenoid retainer (395).
Fig 10: Identifying Valve Body Electrical Connections
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14. Connect all electrical connectors (1-6) to the electrical components.