LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1987 >> Chevette 4D Hatchback, Automatic >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column >> Inspection >> Column Support & Components >> Column Jacket
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Column Jacket

Inspect jacket section of column for looseness, bends, collapsed mesh or bellows section. With General Motors models, check for mast jacket collapse by measuring for proper dimensions. See Fig 1.

Fig 1: Column Collapse Measurement
G28428Courtesy of GENERAL MOTORS CORP.
STEERING COLUMN COLLAPSE MEASUREMENTS

Series (Illustration) In. (mm)
Standard Column
All "A" Series (D) 4 21/32-4 3/4 (119-121)
All "B" Series (A) 3 33/64-3 19/32 (89.35-91.0)
All "C" Series (D) 5 19/32-5 11/16 (142-144)
All "D" Series (A) 3 33/64 (89.35)
All "F" Series (B) 10 19/64 (261.5)
All "G" Series (A) 1 39/64-1 21/32 (40.65-42.0)
All "H" Series (D) 5 19/32-5 11/16 (142-144)
All "J" Series (E) 5-5 3/32 (127-129)
All "N" Series Column Shift (D) 4 15/32-4 17/32 (114-116)
All "N" Series Floor Shift (E) 5-5/32 (127-129)
All "T" Series (G) 7 47/64 (196.20)
Tilt Column
All "A" Series (D) 4 21/32-4 3/4 (119-121)
All "B" Series Tilt (A) 3 31/32-4 1/16 (101-103)
All "B" Series Telescopic (A) 3 3/8 (85.47)
All "C" Series (D) 5 5/8-5 23/32 (143-145)
All "D" Series (A) 3 3/8 (85.47)
All "E" Series
Eldorado (F) 11 47/64-11 57/64 (298-302)
Toronado Column Shift (D) 4 21/32-4 3/4 (119-121)
Toronado Floor Shift (D) 5 25/64-5 15/32 (137-139)
Riviera (D) 5 25/64-5 15/32 (137-139)
All "F" Series (B) 10 13/64 (258.9)
All "G" Series (A) 2 1/16-2 5/32 (52-54)
All "H" Series (D) 5 5/8-5 23/32 (143-145)
All "J" Series (E) 5 1/32-5 1/8 (128-130)
All "K" Series (F) 11 47/64-11 57/64 (298-302)
All "N" Series Column Shift (D) 4 15/32-4 17/32 (114-116)
All "N" Series Floor Shift (E) 5 1/32-5 1/8 (128-130)
All "P" Series (H) 4 31/32-5 3/32 (128-130)
All "T" Series (G) 6 39/64 (167.60)
All "Y" Series (C) 9 57/64 (251)
NOTE: In the STEERING COLUMN COLLAPSE MEASUREMENTS  you are referred to the letter designation of body series. See MODEL IDENTIFICATION TABLE  for identification.
MODEL IDENTIFICATION

Body Type & GM Division Model Name
"A" Body
Buick Century
Chevrolet Celebrity
Oldsmobile Cutlass Ciera
Pontiac 6000 & 6000STE
"B" Body
Buick Estate Wagon
Chevrolet Caprice
Oldsmobile Custom Cruiser
Pontiac Safari
"C" Body
Buick Electra
Cadillac DeVille, Fleetwood
Oldsmobile Ninety-Eight
"D" Body (Cadillac) Brougham
"E" Body
Buick Riviera
Cadillac Eldorado
Oldsmobile Toronado
"F" Body
Chevrolet Camaro
Pontiac Firebird
"G" Body
Buick Regal
Chevrolet El Camino, Monte Carlo
Oldsmobile Cutlass Supreme
Pontiac Gran Prix
"H" Body
Buick LeSabre
Pontiac Bonneville
Oldsmobile Delta 88
"J" Body
Buick Skyhawk
Cadillac Cimarron
Chevrolet Cavalier
Oldsmobile Firenza
Pontiac Sunbird
"K" Body (Cadillac) Seville
"L" Body (Chevrolet) Beretta, Corsica
"N" Body
Buick Somerset, Skylark
Oldsmobile Calais
Pontiac Grand Am
"P" Body
Pontiac Fiero
"T" Body
Chevrolet Chevette
Pontiac 1000
"Y" Body (Chevrolet) Corvette