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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Automatic Transmission - 6T45 (MH7) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Low and Reverse and 1-2-3-4 Clutch Housing Cleaning and Inspection

Low and Reverse and 1-2-3-4 Clutch Housing Cleaning and Inspection

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
GM1891399
Callout Component Name
CAUTION:

After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission components. Lint from the towels can cause component failure.

CAUTION:

Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.

Preliminary Procedures

  1. Thoroughly clean the housing with clean solvent.
  2. Inspect the piston bores and retainer ring grooves for wear, damage or porosity.
1 1 - 2 - 3 - 4 Clutch Spring Retainer Groove
2 1 - 2 - 3 - 4 Clutch Piston Bore
3 Low and Reverse Clutch Spring Retainer Groove
4 Low and Reverse Clutch Piston Bore
5 Clutch Oil Passages
6 Air Bleed Passages