Pages 7–10 (4 pages)

Using the Diagnosis Guide and Checking Linkage

From the 1954 Lincoln Hydra-Matic Transmission Diagnosis

Models
Lincoln L-49 to L-54 Hydra-Matic transmissions; air checks for L-53/L-54
Publication
Registered Mechanics Service Training Number 2
Pages
28

How to mark the Diagnosis Guide so the check accurately describes the trouble, with shift-condition complaints such as jumps out of reverse. Possible causes are listed in logical order, and improperly adjusted linkage is named as the most common cause of upshift, downshift and slipping complaints. Linkage checking starts with the outer throttle lever alignment gauge pin, called the most overlooked yet most important step.

What this section covers

  • Shift conditions
  • Possible causes
  • Linkage adjustment
  • Throttle lever alignment
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