High Stall Speeds (Stall in Ranges 1-5)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Action
Not in gear	Select D, Drive.
Low fluid level, aerated fluid	Add fluid to the proper level. Refer to Transmission Fluid Checking Procedure .
Faulty torque converter	Replace the torque converter. Refer to Torque Converter Replacement .
Incorrect torque converter	Replace the torque converter. Refer to Torque Converter Replacement .
Clutch pressure low	Refer to Low Main Line Pressure in specific Ranges, Normal Pressure in Other Ranges .
1-2-3-4 or low and reverse clutch slipping. Use the diagnostic tool to measure turbine speed.	Rebuild the 1-2-3-4 clutch or the low and reverse clutch.
Higher power engine	Confirm proper engine match.