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A/T - 4L60 Fluid Leaks at Speed Sensor|Page 4389 > < Computer Command Control - Port Fuel Injection|Page 4380
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Transmission Speed Sensor: Customer Interest
A/T - 4L60 Fluid Leaks at Speed Sensor

Number:

91-33-7A

Section:

7A

Date:

July 1990

Corp. Bulletin No.:  037105R
Subject:

TRANSMISSION FLUID LEAKS AT SPEED SENSOR

Model and Year:

1990-91 CAPRICE AND CAMARO WITH 4L60 AUTOMATIC TRANSMISSION

TO:

ALL CHEVROLET DEALERS

CONDITION:

Transmission fluid leaks at the vehicle speed sensor.

CAUSE:

The leak may be at the sensor seal to the transmission or at the electrical connector to the sensor.

CORRECTION:

A new series of transmission speed sensors with improved anti-leak characteristics should be used to correct the condition.

Use:

P/N 10456087 REPLACES P/N 10456020

P/N 10456088 REPLACES P/N 10456021

P/N 10456089 REPLACES P/N 10456022

See Parts Book for proper numbers.

Parts are currently availabile from GMSPO.

Labor Operation Number:

K6310

Labor Time:

0.5 hrs.

A/T - 4L60 Fluid Leaks at Speed Sensor|Page 4389 > < Computer Command Control - Port Fuel Injection|Page 4380