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Inspection (Column Jacket)

  1. Check capsules on steering column bracket assembly. Capsules should be within .063" (1.59 mm) from bottom of slots. See Fig 1 . If capsules are not within specification, replace bracket if bracket is bolted to column jacket, or replace column jacket if bracket is welded to column jacket.
  2. Check for contact between bolt head and surface "A" on capsules. If bolt head contacts surface "A", shear load will increase, preventing column collapse upon impact. If contact is made, replace bracket or column jacket.
    Fig 1: Inspecting Steering Column Capsules
    G92I04479Courtesy of GENERAL MOTORS CORP.
  3. Remove lower bearing from bottom of column (on "D", "F" and "J" bodies, it is not necessary to remove lower bearing). Using COLUMN JACKET COLLAPSE MEASUREMENTS  table as a guide, measure distance between points on column jacket as specified in illustration. See Fig 2 to Fig 8 . If distance measured is not as specified, replace column jacket.
COLUMN JACKET COLLAPSE MEASUREMENTS (1)

Application Illustration In. (mm)
"A" Body Fig 2 4.50-4.54 (114.35-115.35)
"B" Body Fig 4 11.11-11.15 (282.27-283.27)
"C" Body Fig 6 5.11-5.19 (129.92-131.92)
"D" Body Fig 8 4.02 (102.00)
"E" Body
Eldorado Fig 6 5.20-5.24 (132.10-133.10)
Riviera Fig 6 5.26-5.29 (133.48-134.48)
Toronado & Trofeo Column Shift Fig 2 4.82-4.86 (122.42-123.42)
Toronado & Trofeo Floor Shift Fig 2 5.26-5.29 (133.48-134.48)
"F" Body Fig 8 7.16-7.31 (181.74-185.74)
"H" Body Fig 6 5.11-5.19 (129.92-131.92)
"J" Body
Fixed Column Fig 3 4.49-4.54 (114.00-115.24)
Tilt Column Fig 3 4.54-4.59 (115.42-116.66)
"K" Body Fig 6 5.20-5.24 (132.10-133.10)
"L" Body Fig 5 4.05-4.09 (102.88-103.88)
"Y" Body Fig 7 8.26-8.30 (209.72-210.72)
(1) On all except "D", "F" and "J" bodies, measure with lower bearing removed.
Fig 2: Measuring Column Jacket ("A" Body & Toronado/Trofeo)
G92E04482Courtesy of GENERAL MOTORS CORP.
Fig 3: Measuring Column Jacket ("J" Body)
G92G04483Courtesy of GENERAL MOTORS CORP.
Fig 4: Measuring Column Jacket ("B" Body)
G92I04484Courtesy of GENERAL MOTORS CORP.
Fig 5: Measuring Column Jacket ("L" Body)
G92B04485Courtesy of GENERAL MOTORS CORP.
Fig 6: Measuring Column Jacket ("C,H,K" Bodies & Eldorado/Riviera)
G92D04486Courtesy of GENERAL MOTORS CORP.
Fig 7: Measuring Column Jacket ("Y" Body)
G92F04487Courtesy of GENERAL MOTORS CORP.
Fig 8: Measuring Column Jacket ("D & F" Body)
G92H04488Courtesy of GENERAL MOTORS CORP.