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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Servicing - M/T) >> Adjustments >> Floor-Mounted Shifter (4-Speed Od 89MM)

Floor-Mounted Shifter (4-Speed Od 89MM)

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 1990 Pontiac Trans Sport, 1990 Oldsmobile Silhouette, 1990 GMC Vandura Special, 1990 GMC Vandura, and 1990 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
  1. Loosen all shift rod adjustment nuts at transmission shift levers. See Fig 1. Move shift control levers to Neutral position. Move 3 transmission shift levers into Neutral by moving levers forward to first detent then back one detent.
  2. Put 1/4" gauge pin through control levers at shifter assembly base. Hold shift rods forward tightly in their swivels and tighten adjustment nuts. Remove gauge pin. Lubricate swivel joints and shift control linkage.
Fig 1: Floor Shift Linkage (4-Speed OD 89mm)
G90I04785Courtesy of GENERAL MOTORS CORP.
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