No Third, Fifth, and Reverse Gear
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
| Checks |
Causes |
| 3-5-Reverse Clutch Assembly |
- Inspect for damaged, worn or stripped splines on 3-5-reverse clutch plates (423-426), backing plate (426).
- Inspect for sheared or stripped splines on 3-5-rev/4-5-6 housing to turbine shaft (422).
- Inspect for damage, improper surface finish, porosity, deformed or unbalanced 3-5-rev/4-5-6 housing (422).
- Inspect for damaged, worn, loose or seized hub bushing in the 3-5-rev/4-5-6 housing.
- Inspect for broken, porous or improper surface finish or plugged oil passages of the 3-5-rev/4-5-6 housing (422).
- Inspect for failure of the Input shaft thrust bearing (32).
- Inspect for disengaged or broken 3-5-reverse clutch backing plate retainer (427).
- Inspect for disengaged or broken 3-5-reverse backing plate (426).
- Inspect for damaged, worn or leaking 3-5-reverse clutch piston seals (419-421).
- Inspect for damaged or broken 3-5-rev/4-5-6 clutch housing (422).
- Inspect for warped, damaged, improper surface finish or debonding 3-5-reverse clutch piston (417).
- Inspect for broken or fatigued 3-5-reverse clutch spring (418).
- Inspect for disengaged or broken speed sensor reluctor retainer (415).
- Inspect for broken speed sensor reluctor wheel (416).
- Inspect for seized input shaft thrust bearing (32).
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| Reaction Carrier (467) |
- Inspect for broken or disengaged input internal gear retainer.
- Inspect for stripped or sheared splines on the input internal gear.
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| Output Carrier (474) |
Inspect for stripped or sheared splines for the reaction internal ring gear. |
| 4-5-6 Clutch Assembly |
- Inspect for plugged or missing 4-5-6 piston dam oil feed hole.
- Inspect for leaking 4-5-6 piston dam.
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