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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Transmission - Cleaning, Inspection And Adjustment (644 Body)) >> Automatic Transmission (Aw55-50/51SN; 2001-2004) >> System pressure/stall speed, check >> High stall speed

High stall speed

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Conditions of element Check  above are fulfilled. Is the acceleration time for 0-100 km/h normal?

If the actual stall speed exceeds the normal value by more than 300 rpm: 

Check if the oil is discolored or has a foul odor. See Checking and adjusting the oil .

If the oil is OK, replace the torque converter. 

Replace the torque converter as described in Replacing the transmission .

Dirty oil indicates worn or burnt clutch discs; replace the transmission. 

Replace the transmission as described in Replacing the transmission .