Steering Wheel Turns Hard Or Jerky; Power Trim Does Not Operate; But Sterndrive Does Not Move); Power Trim Does Not Operate (Electric Motor Does Not Operate) - Mercury 2.8 Diesel Operation & Maintenance Manual

Section 6 - Troubleshooting
Possible Cause
Shift or throttle cable kinked.
Improper shift cable adjustment.

Steering Wheel Turns Hard or Jerky

Possible Cause
Low power steering pump fluid level.
Drive belt loose or in poor condition.
Insufficient lubrication on the steering components. Lubricate.
Loose or missing steering fasteners or parts.
Contaminated power steering fluid.
Power Trim does not Operate (Electric Motor Operates but Sterndrive does not Move)
Possible Cause
The trim pump oil level is low.
The drive unit is binding in the gimbal ring.

Power Trim Does Not Operate (Electric Motor Does Not Operate)

Possible Cause
Blown fuse.
Loose or dirty electrical connections or
damaged wiring.
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Straighten cable or have a Mercury Diesel authorized repair facility
replace cable if damaged beyond repair.
Have adjustment checked by a Mercury Diesel authorized repair facility.
Check for leak. Refill the system with fluid.
Replace or adjust.
Check all parts and fasteners; if any are loose or missing, see a Mercury
Diesel authorized repair facility immediately.
See a Mercury Diesel authorized repair facility.
Fill the trim pump with oil.
Check for obstruction. See a Mercury Diesel authorized repair facility.
Replace the fuse.
Check all the associated electrical connections and the wires (especially the
battery cables). Clean and tighten the faulty connection. Repair or replace the
wiring.
Remedy
Remedy
Remedy
Remedy
90-8M0113987 DECEMBER 2015
eng