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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Automatic Transaxle - 4T80-E - Service, Diagnosis & Troubleshooting) >> No Reverse

No Reverse

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
No Reverse

Checks Causes
Case Cover Damaged
Case Cover Gaskets Damaged or displaced
Checkball in Piston Missing
Driven Sprocket Support
  • Porosity or broken
  • Feed holes blocked
Driven Sprocket Support Bolts Loose, not in grooves, mislocated
Driven Sprocket Support Seals Leaking
Fluid Pressure Too low
Lo/Reverse Anchor Pin Anchor pin broken or not positioned
Reaction Carrier Shell Missing, teeth damaged
Reverse Band Broken, worn not anchored
Reverse Band Apply Pin
  • Too short or binding in case
  • Broken
Reverse Clutch Fiber Plates Splines or friction material worn
Reverse Clutch Housing Cracked
Reverse Clutch Piston Binding in case
Reverse Clutch Piston Seals Leaking, damaged or worn
Reverse Clutch Spring Assembly Jammed
Reverse Clutch Steel Plates Splines worn
Reverse Servo Piston
  • Bad seal
  • Damaged housing
Snap Ring Out