Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2005 >> Silverado 1500 2WD V6-4.3L VIN X >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Overhaul >> 4L80-E/4L85-E Automatic Transmission >> Repair Instructions >> 94. Control Valve Body Assembly Installation

94. Control Valve Body Assembly Installation

^ Tools Required
- J 25025-5 Guide Pin
- J 36850 Assembly Lubricant

Notice: Use Transjel J 36850 or equivalent during assembly in order to retain checkballs or to lubricate components. Greases other than the recommended assembly lube will change the transmission fluid characteristics and will cause undesirable shift conditions or filter clogging.





1. Install the 8 control valve body ball check valves (54) (9 some models) into the case passages:
^ The #2 control valve body ball check valve is only used on some models.
^ Use J 36850 or equivalent in order to hold the control valve body ball check valves in place.
2. Install the TCC solenoid valve screen (75) into the case.





3. Install the manual valve (319) into the control valve assembly.





4. Install the J 25025-5 into the transmission case.
5. Install the control valve body spacer plate gasket (48).
6. Install the control valve assembly (44). Attach the manual valve to the detent lever while installing the control valve assembly (44).





7. Install the transmission fluid pressure manual valve position switch (40).
8. Install the transmission fluid pressure manual valve position switch bolts (76) finger tight.





Notice: Refer to Fastener Notice in Service Precautions.

9. Tighten the bolts (76) in the order shown.
^ Tighten the bolts to 11 Nm (97 lb in).
10. Remove the J25025-5.





11. Install the manual shift shaft detent spring assembly (41) and bolts (35).
12. Install the two wiring harness clamps (33) and bolts (35).
13. Install the lube oil pipe (39) with the short end into the control valve assembly.
14. Install the lube oil pipe retainer (37) and the bolt (35).
15. Install the remaining control valve body assembly bolts (35).





Notice: Tighten the control valve assembly bolts in a spiral pattern starting from the center. If the bolts are tightened in a random pattern, the valve bores may become distorted, which can inhibit valve operation.

16. Tighten the control valve body assembly bolts (35) in the order shown.
^ Tighten the bolts to 11 Nm (97 lb in).
pro multis · About Operation CHARM