NP-207 & NP-231: 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.
- Place transfer case shift lever in "4H" position. Disconnect negative battery cable. Raise vehicle and remove skid plate. Drain transfer case. Mark front and rear output shaft yokes and drive shafts for reassembly reference and remove shafts.
- Disconnect speedometer cable and vacuum harness from transfer case. Remove shift lever from case. Remove catalytic converter hanger bolts at converter. Remove transmission mount-to-crossmember bolts. Raise transmission and transfer case assembly. Remove transmission mount bolts. Remove mount.
- Lower complete assembly. Support transfer case and remove transmission-to-transfer case bolts. On A/T equipped models, remove shift lever bracket from transfer case adapter to gain access for upper left attaching bolt. Remove transfer case from transmission.