Massey Ferguson 0A.81.18: External Hydraulic Valve 8 Issue

Indicates a fault within the tractor's hydraulic system, specifically pointing to a malfunction, electrical fault, or connection problem on the 8th external hydraulic remote/spool valve.

• 7724S
• 5712SL
• 7722
• 7722S
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 7726S
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Use a compatible Massey Ferguson diagnostic tool or interface device to confirm 0A.81.18 is active

2. 2

   Visually inspect the wiring harness, electrical connector, and pins going to External Hydraulic Valve 8 on the rear remote stack for corrosion, backed-out pins, or wire chafing

3. 3

   Consult the specific tractor's service manual to interpret the exact electrical pinout and testing parameters for the valve solenoids

1. 1

   Locate the external hydraulic valve block (usually at the rear of the tractor). Identify the slice/spool corresponding to Valve 8.

   Identify the slice/spool corresponding to Valve 8.

2. 2

   Disconnect the electrical harness to the valve solenoid.

   Disconnect the electrical harness to the valve solenoid.

3. 3

   Clean the contacts and repair any damaged wiring.

   Clean the contacts and repair any damaged wiring.

4. 4

   If the wiring is intact, the valve solenoid or the valve slice itself has failed internally and must be replaced.

   If the wiring is intact, the valve solenoid or the valve slice itself has failed internally and must be replaced.

5. 5

   After replacing the faulty valve or repairing the connection, use the diagnostic interface device to clear the DTCs from the tractor's memory.

   After replacing the faulty valve or repairing the connection, use the diagnostic interface device to clear the DTCs from the tractor's memory.