Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 193Get 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 reservoi Refill with #30 straight weight non-detergent oil as outlined in this section Disconnect lower hydraulic trim cylinder line from pump section Figure 5
2Dirt in tilt cylinder valves