4T60 / Th-440 Automatic Transmission Gearing / Identification




   RPO Codes:

F79: 2.97
GX3: 3.33

Transmission Tag Boadcast Codes and Ratio Identification:


1987:

2.84 Gear Ratio:
2.97 Gear Ratio: 7FJH
3.06 Gear Ratio:
3.33 Gear Ratio: 7ACH, 7CAH

1988:

2.84 Gear Ratio:
2.97 Gear Ratio: 8BTH
3.06 Gear Ratio:
3.33 Gear Ratio: 8AJH, 8CDH, 8CFH, 8CMH, 8CRH, 8CTH, 8CWH, 8CXH

1989:

2.84 Gear Ratio: 9BHH, 9WRH, 9BPH,
2.97 Gear Ratio: 9BWH, 9WUH, 9AJH,
3.06 Gear Ratio: 9BAH, 9BDH, 9BFH, 9BMH, 9BKH
3.33 Gear Ratio: 9PAH, 9PBH, 9BWH, 9AAH, 9ABH, 9AFH, 9ANH, 9ATH, 9BJH, 9CDH, 9CLH, 9CZH, 9CPH, 9CYH, 9PAH, 9VXH, 9YAH, 9YBH, 9YFH, 9YJH

1990:

2.84 Gear Ratio:
2.97 Gear Ratio:
3.06 Gear Ratio:
3.33 Gear Ratio: 0AJH, 0CHH, 0CJH, 0KHH, 0LAH, 0LMH, 0LNH, 0PAH, 0WXH, 0YDH, 0YHH, 0YKH, 0YLH, 0YRH, 0YSH, 0YTH

1991:

2.84 Gear Ratio:
2.97 Gear Ratio:
3.06 Gear Ratio:
3.33 Gear Ratio: 1WXH, 1YAH, 1YDH, 1YHH, 1YSH, 1YTH

1992:

2.84 Gear Ratio:
2.97 Gear Ratio:
3.06 Gear Ratio:
3.33 Gear Ratio: 2YAH, 2YBH, 2YKH




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