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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (Automatic Transaxle - 4T45-E - Service, Diagnosis & Troubleshooting) >> Harsh Shifts

Harsh Shifts

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Harsh Shifts

Checks Causes
Line Pressure High
Refer to High or Low Line Pressure .
Checkballs (26) Missing; no orificed apply
Accumulators
  • Springs or piston binding; no accumulation
  • Accumulator valve is stuck
Clutch Housing Retainer and Ball Assemblies Plugged