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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Removal & Installation - M/T) >> Transmission Removal & Installation >> "S" & "T" Series >> Removal

"S" & "T" Series: Removal

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 1989 GMC Vandura Special, 1989 GMC Vandura, 1989 GMC Value Van, 1989 GMC Suburban, and 1989 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Remove shift lever boot screws and slide boot upward on shift lever. Shift transmission into neutral and remove shift lever bolts at transmission. Remove shift lever.
  2. Raise vehicle and mark drive shaft for reassembly reference. Remove drive shaft. Disconnect parking brake lever and controls.
  3. Remove transfer case (if equipped). See TRANSFER CASE  . Disconnect exhaust pipe at manifold. Disconnect speedometer cable and electrical connector at transmission.
  4. Remove slave cylinder from transmission. Support transmission and remove catalytic converter hanger and support braces. Remove necessary crossmembers.
  5. Remove body mounting bolts on left side of body and loosen radiator support bolt. Raise cab on left side as needed to gain access for transmission retaining bolts.
  6. Support cab with wood block between frame and cab. Remove transmission-to-engine bolts on all models. Remove transmission.
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