Stall Speed Diagnosis Chart

WARNING: This page is about a different car, the 2011 Ford Pickup, 2011 Ford F550 Super Duty, 2011 Ford F450 Super Duty, and 2011 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

STALL SPEED DIAGNOSIS CHART

Test Results	Possible Source
Stall speed high - R only	General line pressure concerns Overdrive One-Way Clutch (OWC) Direct clutch Reverse clutch
Stall speed high - (D)	General line pressure concerns Overdrive OWC Forward clutch Low/Reverse OWC
Stall speed high - Manual 3 only	Overdrive OWC Coast clutch Forward clutch Intermediate clutch
Stall speed high - Manual 2 only	Forward clutch Low/Reverse OWC Reverse clutch
Stall speed high - Manual 1 only	Coast clutch Overdrive OWC Forward clutch Reverse clutch
Stall speed low - (D), 3, 2, 1 and R	Torque converter reactor OWC Engine driveability concerns