HOUSING AS 4519205 - Caterpillar

System Pressure is Low
Check the system pressure.For the D11T, refer to Specifications, Systems Operation/Testing, and Adjusting, RENR8224, "Priority Valve (Transmission) - Adjust".Expected Results
The system pressure is correct.
The original problem is resolved.Results
OKAY: Stop.
NOT OKAY: Proceed to Step 2.
Check the transmission modulating valves.
Check the installation of the transmission modulating valves. Make sure that the valves are installed correctly and that the valves are torqued properly.Reference: For the D11T, refer to the Specifications, RENR8224, "Transmission Hydraulic Control Valve" in the Service Manual for your machine.
If necessary, repair the valves or replace the valves.
Check the system pressure.Refer to Specifications, Systems Operation/Testing, and Adjusting, RENR8224, "Priority Valve (Transmission) - Adjust".Expected Results
The system pressure is correct.Results
OKAY: Stop.
NOT OKAY: The cause of the problem may be the adjustment of the transmission relief valve. The transmission relief valve maintains the system pressure in the control section of the power train oil pump. Proceed to Step 3.
Adjust the transmission control's load piston.For the D11T, refer to Specifications, Systems Operation/Testing, and Adjusting, RENR8224, "Load Piston - Adjust".Expected Results
The pressure setting for the load piston is correct.
The system pressure is correct.Results
OKAY: Stop.
NOT OKAY: Proceed to Step 4.
Inspect the transmission control valve.
Disassemble the transmission control valve and inspect the valve for failure.Reference: Refer to the Disassembly and Assembly, RENR8226, "Transmission Hydraulic Control Valve - Disassemble" for your machine.
If necessary, repair the valve or replace the valve.
Check the operation of the valve for the