Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 209Get this manual
TROUBLESHOOTING General Notes
2When troubleshooting, it is not necessary to remove the engine from the boat3Steps for complete removal and repair are included in Removal and Inspection and Repair sections
1This section covers troubleshooting steps for the most common problems that could come up with the power trim and tilt unit
Problem
Possible Cause
Procedures
1Engine will not stay in trim or tilt position
1Unit low on oil
Check oil level in reservoir Refill with #30 straight weight non-detergent oil as outlined in this sectionDisconnect lower hydraulic trim cylinder line from pump section Figure 5