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December 1, 1999 Service bulletin

A condition with the auxiliary transmission oil cooler omitted from certain vehicles equipped with heavy...

Chevrolet technical service bulletin 99027B for 1999 Chevrolet Tahoe, 1999 Chevrolet Silverado and 1999 Chevrolet Suburban.

Bulletin number
99027B
Component
Power train: automatic transmission: cooling unit and lines
Summary
A condition with the auxiliary transmission oil cooler omitted from certain vehicles equipped with heavy duty trailering package (z82). Tt

Owners of these vehicles have filed 190 complaints in the transmission category.

Vehicles covered

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