Channel Plate and Upper Channel Plate Assemble

WARNING: This page is about a different car, the 2018 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Channel Plate And Upper Channel Plate Components With Bolt Tightening Sequence

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Control Valve Channel Upper Plate Assembly NOTE: Inspect the upper channel plate bolt pass through holes for damage or burnelling. Any damage near the PCS feed holes could cause leaking around the PCS switch seal. Replace as necessary. The TCU pin gasket is not serviceable. If the gasket is damaged, the control valve channel upper plate assembly must be replaced.
2	Control Valve Body Bolt M6 x 35 (Qty: 3) CAUTION: Refer to Fastener Caution . Procedure Hand tighten for alignment, then tighten in sequence, after all bolts are installed. Tighten 12 N.m (9 lb ft)
3	Control Valve Body Bolt M6 x 65 (Qty: 5) Procedure Tighten in sequence. Tighten 12 N.m (9 lb ft)
4	Control Valve Body Bolt M6 x 55 (Qty: 2) Procedure Tighten in sequence. Tighten 12 N.m (9 lb ft)