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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1663 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Body Assembly Assemble >> Upper to Lower Control Valve Body Assembly Assemble

Upper to Lower Control Valve Body Assembly Assemble

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Fig 1: Upper to Lower Control Valve Body Assembly & Bolt Tightening Sequence
GM1627630Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Control Valve Body Ball Check Valve (Qty: 7)
CAUTION: Do not use any type of grease or other material to hold the check ball valves in place during assembly. Grease will cause the valves to not operate properly, resulting in damage to the transmission.

Tip:  Refer to Ball Check Valve Locations .
2 Control Valve Body Spacer (w/Gasket) Plate Assembly
CAUTION: Do not use the old spacer plate. Install a NEW spacer plate. Reusing an old spacer plate may cause internal transmission leaks and transmission damage.
3 Control Valve Lower Body Assembly
Tip:  Turn the valve body assembly over after installing to upper body.
4 Bolt M5 x 36 (Qty: 12)
CAUTION: Refer to Fastener Caution .

Procedure: 
Tighten the bolts in the sequence shown.

Tighten:  8 N.m (71 lb in).