chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

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A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode|Page 4872 > < A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode

K 2500 Truck 4WD V6-262 4.3L VIN Z (1992)

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1.

Transmission hot mode entry temperature raised from 252 degrees F to 270 degrees F. Install MEMCAL per charts.

2.

Check Thermac door in air cleaner for correct operation. Door must open and close freely with no sticking or binding.

7.4L with MT1 transmission

A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode|Page 4872 > < A/T - Lack of Power At Highway Speeds, 4L80E in Hot Mode