IDENTIFICATION
| Model | Transmission |
|---|---|
| Astro & Safari | Hydra-Matic 4L60 |
| Bravada, Jimmy, Sonoma, Syclone, Typhoon & "S" & "T" Series Blazer & Pickup | Hydra-Matic 4L60 |
| Commercial Van | Hydra-Matic 4L80-E |
| Lumina APV, Silhouette & Trans Sport | Hydra-Matic 3T40 & 4T60-E |
| Sierra, Suburban, Van, Yukon & "C" & "K" Series Blazer & Pickup | Hydra-Matic 3T40 & 4T60-E |
AUTOMATIC TRANSMISSION APPLICATIONS
| Vehicle Model | Transmission Model (RPO) |
|---|---|
| Commercial Van | NVG 4500 109 MM 5-Speed O/D (MT8) |
| Jimmy, Sonoma & "S" & "T" Series Blazer & Pickup | Borg-Warner T5 77 MM 5-Speed (MW1) NVG 5LM60 85 MM 5-Speed O/D (MY2) |
| Sierra, Suburban, Yukon & "C" & "K" Series Blazer & Pickup | NVG 5LM60 85 MM 5-Speed O/D (MG5) NVG 4500 109 MM 5-Speed O/D (MT8) |
MANUAL TRANSMISSION APPLICATION
| Model | Transfer Case |
|---|---|
| Astro, Bravada, Safari, Syclone & Typhoon | BW-4472 |
| Jimmy, Sonoma, "T" Series Blazer & Pickup | NP-231 & NP-233 |
| Sierra, Suburban, Yukon & "K" Series Blazer & Pickup | NP-241 |
| K30 & Sierra 3500 (Some) | BW-4401 & BW-4470 |
TRANSFER CASE APPLICATIONS