Except "M" & "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.

On models with 117 MM 4-speed transmission, remove shift lever boot retainer bolts. Slide boot assembly upward on shift lever and remove lever. To remove shift lever, push down on collar and turn counterclockwise.
On all models, raise and support vehicle under frame. Drain fluid from transmission and transfer case (if equipped). Disconnect speedometer cable at transmission.
Remove shift controls from transmission (if not previously removed). Remove parking brake lever, controls, and back-up switch wire as needed. Disconnect drive shaft at transmission.
Remove transfer case (if equipped). See TRANSFER CASE . Disconnect exhaust pipes from exhaust manifolds as needed. Remove frame crossmember and flywheel inspection plate.
On 117 MM 4-speed, remove top 2 transmission-to-clutch housing bolts and install guide pins. Guide pins will support transmission and prevent damage to clutch disc.
On all models, remove all transmission-to-clutch housing attaching bolts. Slide transmission rearward until input shaft is clear of clutch hub. Remove assembly from vehicle and remove guide pins if used.

NOTE: Support clutch release bearing and support assembly when removing transmission main drive gear from flywheel housing. This will prevent release bearing from falling out of flywheel housing.