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DUSTIN0285 · 12-15-2006, 08:38 PM

Here are the most common problems with the 4T65-E transmission that will cause a harsh shift upon heavy acceleration:
• All years--Pressure Reg. Valve (Bore 1) or Torque Signal Valve (Bore 4) stuck.

• On 2001-2002 vehicles, a plugged orifice on the case side of the spacer plate.

• ON 2003-2004 vehicles, restricted movement of the 2-3 shift valves in the valve body.

• On 2003-2004 vehicles, restricted movement of the 3-4 shift valves in the valve body.

12-15-2006, 08:38 PM	#8
DUSTIN0285 UnOrThOdOx Join Date: Jul 2006 Location: Regina, SK, Canada Posts: 212	Here are the most common problems with the 4T65-E transmission that will cause a harsh shift upon heavy acceleration: • All years--Pressure Reg. Valve (Bore 1) or Torque Signal Valve (Bore 4) stuck. • On 2001-2002 vehicles, a plugged orifice on the case side of the spacer plate. • ON 2003-2004 vehicles, restricted movement of the 2-3 shift valves in the valve body. • On 2003-2004 vehicles, restricted movement of the 3-4 shift valves in the valve body.