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Home >> Pontiac >> 2008 >> Vibe Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 206 (Automatic Transmission - 4T80-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> Low Line Pressure

Low Line Pressure

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
DEFINITION: Inadequate Lube or Low Line Pressure
Calibration Incorrect platform or level
Cooler Lines Clogged or restricted
Lower Channel Plate Warpage
PCS Leaking
Pressure Reg. Valve Stuck due to sediment
Primary Pump Body Leakage at the gasket or pump body
Scavenge Pipe Restriction
Scavenge Pipe Seal Damaged, cut or leaking
Scavenge Pump Body Leakage at the gasket or pump body
Scavenge Screens Clogged
Secondary Pump Body Leakage at the gasket or pump body
Transmission Fluid Low level