chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Speedometer Gear, A/T > < Turbo Hydra-Matic 3L80 & 3L80HD (400 & 475)|Page 4677
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Shift Modulator: Service and Repair

1.

Remove modulator attaching screw and retainer.

2.

Remove modulator assembly from case and discard O-ring seal.

3.

Remove modulator valve from case.

4.

Reverse procedure to install, using a new O-ring seal.

Speedometer Gear, A/T > < Turbo Hydra-Matic 3L80 & 3L80HD (400 & 475)|Page 4677