Pages 12–19 (8 pages)

Rebuilding 1933-1936 shock absorbers (48-18015 and 40-18015 types)

From the 1928–1940 Ford Houdaille Shock Absorber Service Bulletin

Numbered disassembly and reassembly steps for the 40 and 48 series units, rebuilt into 48-18015-C and 48-18015-D types. Uses assembly fixture HEC-3223, clamp ring and flange pulling tools, clockwise and anti-clockwise shaft selection, new flange 48-18028, packings and cover, and the test and fluid fill.

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What this section covers

  • Clamp ring and packing gland removal
  • Pulling the flange and shaft
  • Selecting clockwise or anti-clockwise shafts
  • Cleaning and fluid types
  • Reassembly and fluid fill
Year
1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940
Make
Ford, Houdaille
Vehicle
Components and Systems, Suspension and Steering
Type
Service Bulletin
Models
Ford Model A, B, 18, 40, 48, 68, 74, 78, 81A, 91A, 01A and Mercury 99A, 1928–1940
Publication
Subject No. 18080
Pages
42

What’s inside

Service bulletin

  1. Cover, contents and service recommendationsCover note, table of contents dated January 1, 1940, and the recommended procedure for restoring ride quality: tire pressure, spring lubricant, fluid level, leakage and valve pointer settings.pp. 1–3
  2. Operating principle, fluid and valve adjustmentpp. 4–7
  3. Guide sheets: shocks, levers, links and parts kitspp. 8–11
  4. Rebuilding 1933-1936 shock absorbers (48-18015 and 40-18015 types)pp. 12–19
  5. Rebuilding 1937 and early 1938 shock absorbers (68 and 81A types)pp. 20–29
  6. Rebuilding late 1938 and 1939 shock absorbers (81A, 91A and 99A types)pp. 30–38
  7. Instructions for peening valve spoolHow to check whether the spool in the lower end of the shaft has turned, using gauge plate HEC-4953, and how to realign and peen it with drift HEC-4891.pp. 39–40
  8. Functioning diagram of 1940 shock absorbersTwo Ford Motor Company service bulletin sheets dated October 6, 1939 showing compression stroke and rebound stroke flow in the 1940-type instrument, with the replenishing valve and valve adjusting end labeled.pp. 41–42