Case Cover Components: Inspection
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect 3-4 accumulator piston cylinder for porosity, scored pin or nicked or grooved piston sleeve. Inspect piston pin for scoring and free movement in piston bore. Inspect springs for distorted or broken coils. Inspect piston cylinder for porosity or cracks. Inspect for rough or scored seal surface, or cut seal. Inspect check ball, spring and bore plug. See Figure.
- DO NOT remove blow-off check balls unless damaged. Inspect manual valve, link and spring link for damage. Check manual valve for binding or looseness in case cover. Check case cover plugs and orifice cup plug. Replace plugs if loose, plugged or missing.
- Inspect shaft bearing for damage. DO NOT remove bearing unless bearing is damaged. Inspect oil seal for missing garter spring or for cut lip seal.
- Inspect case cover for porosity, interconnected fluid passages, cracks or rough machined surfaces.
- Inspect input speed sensor for damaged or missing magnet, damaged housing, bent or missing electrical terminals, or damaged speed sensor clip.