1995 Cadillac Concours Transmission Removal & Installation

Removal ("A" Body)
1) Disconnect and shield negative battery cable. Remove air cleaner. Remove bolt securing transaxle throttle valve cable to transaxle. Remove shift cable and bracket from transaxle. Disconnect electrical connectors as necessary.
2) Disconnect oil cooler lines from transaxle. Plug ends of lines. Remove all transaxle-to-engine bolts except bolt nearest starter motor (leave this bolt loosely installed). Support engine from top. Raise and support vehicle on hoist. Remove left front wheel. Remove left engine splash shield. Remove pinch bolt from left ball joint. Disconnect ball joint from left control arm. CAUTION: If steering intermediate shaft is not disconnected from steering gear stub shaft as described in next step, these components could be damaged, possibly resulting in loss of steering control.
3) Remove pinch bolt securing steering intermediate shaft to steering gear stub shaft. Remove stabilizer bar. Center-punch the 2 spot welds securing left crossmember to rear crossmember. Left crossmember is the 90-degree frame piece that acts as left frame and front crossmember. Drill out spot welds using 7/16" drill bit.
4) Remove bolt securing left end of steering rack to rear crossmember. Remove 4 bolts securing left crossmember to right frame. Using jack stand, support left crossmember from bottom. Remove 2 bolts securing left crossmember to body.
5) Remove 2 nuts securing left transaxle mount to left crossmember. Remove left crossmember and jack stand. Remove starter and torque converter covers. Remove 3 flexplate-to-converter bolts. Remove 2 transaxle extension bolts from engine-to-transaxle bracket.
6) Remove rear transaxle mount bracket assembly (it may be necessary to raise transaxle). Using transaxle jack, support transaxle from bottom. Remove 2 braces from right end of transaxle. Remove left drive axle. See appropriate AXLE SHAFTS article in AXLE SHAFTS & TRANSFER CASES.

source