93-97 4L60E Transmission Extension Housing Installation Instructions

1- Slide reluctor gear/ drive gear assembly onto output shaft and position gear assembly so drive gear is centered in sleave opening. It is important that the drive gear is indexed properly to ensure speedometer gear alignment. See picture below.

2- Slide tail housing into transmission until seated and visually confirm that the drive gear of the assembly is centered in sleave opening. See picture below.

3- Remove extension housing. Being careful not to move the reluctor gear/ drive gear assembly, tighten the three set screws with an allen wrench to secure assembly to output shaft. Install extension housing onto transmission, fasten with bolts, and tighten evenly.

4- Install sleave assembly into extension housing opening. Secure sleave into extension housing with clamp and bolt provided. This completes extension housing installation.