Operation CHARM: Car repair manuals for everyone.

Determine Customer Concerns

Determine Customer Concerns

NOTE: If noise/vibration, check for dependencies: rpm, vehicle speed, shift, gear, range or temperature.

NOTE: Some CD4E transaxle conditions may cause engine concerns. The torque converter clutch not disengaging will stall the engine.
- Hot or cold vehicle operating temperature
- Hot or cold ambient temperature
- Type of terrain
- Vehicle loaded/unloaded
- City/highway driving
- Upshift
- Downshift
- Coasting
- Engagement
- Noise/vibration-check for dependencies, either rpm dependent, vehicle speed dependent, shift dependent, gear dependent, range dependent, or temperature dependent