Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (AUTOMATIC TRANSAXLE SERVICING)REMOVAL & INSTALLATIONLOWER VALVE ASSEMBLYREMOVAL
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Lower Valve Assembly: Removal
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the bottom pan and seal, scavenge screens, and the lip seals. See DRAINING & REFILLING
under LUBRICATION. Remove the bolts (534) from the oil transfer plate (956) and wire harness extension retaining clip. See Fig 1
. Remove the oil transfer plate (956). Disconnect the wire harness extension (943) from the wire harness assembly (12). See Fig 2
.NOTE: Do not reuse retainer (915), it must be replaced. See Fig 3 .
- Use a small screwdriver in order to disconnect the manual valve link retainer (915) from the manual valve link (913).NOTE: Do not pry against the internal mode switch assembly.
- Remove the manual valve and link assembly link (913) out of the inside detent lever (17). Remove the 2 nuts (955) and the 14 bolts (958) from the lower control valve body assembly (903). See Fig 4 .
- Remove the lower valve assembly (consisting of the channel plate, control valve body, accumulator assembly, and wire harness extension) from the transaxle case as a single unit.
- For disassembly of the lower control valve body assembly, see appropriate OVERHAUL article.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.