Page 135 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

DRIVE RANGE – 1ST GEAR

LOSS OF DRIVE
• CBR1/C456 Pressure Control Solenoid 3
- Commanded/failed HIGH (OFF)
- Leaking
• Clutch Select Valve 2 (352)
- Stuck

• #1 Ball Check Valve
- Stuck
- Missing
• #4 Ball Check Valve
- Stuck
- Missing
• #5 Ball Check Valve
- Stuck
- Missing
• 1-2-3-4 Clutch Regulator Valve (337)
- Stuck
• 1-2-3-4 Clutch Piston (414)
- Jammed or cracked
- Leaking

• 1-2-3-4 Clutch Housing (427)
- Passage plugged
- Cracked

• 1-2-3-4 Clutch Piston Inner Seal (423) or Housing
Seals (424 & 425)
- Leaking

SHIFT SHIFT 1-2-3-4 CL 2-6 CL 3-5 REV CL 4-5-6 CL 1-2-3-4 3-5 REV 4-5-6 2-6 LOW LOW
SOL SOL PC PC PC PC CLUTCH CLUTCH CLUTCH CLUTCH & REV CLUTCH
1 2 SOL 5 N.L. SOL 4 N.L. SOL 2 N.H. SOL 3 N.H. CLUTCH SPRAG
OFF ON ON OFF OFF OFF APPLIED HOLDING
84A