Monthly Archives: December 2016

Low Cab Forward Medium-Duty Trucks

The all-new Low Cab Forward medium-duty trucks are the latest in a long line of Chevrolet models in the commercial market. (Fig. 1) The seven new Low Cab Forward models, offered in regular cab or crew cab body styles, are … Continue reading

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Damaged Shipping Container Restraining Belts

Many service replacement engines, transmissions and transfer cases are delivered to dealerships in shipping containers that use a ratchet-style restraining belt. The belt is used to securely hold the component in place inside the shipping container. (Fig. 8)   Fig. … Continue reading

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Two Fobs Needed for RKE Transmitter Quick Learn on 2017 Models

For 2017 model year vehicles, excluding Acadia Limited, Enclave, Traverse, Express and Savana models, adding a new Remote Keyless Entry (RKE) transmitter, or key fob, using the quick learn procedure requires that two previously learned transmitters be present. (Fig. 12) … Continue reading

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Shift to Park Message with Five DTCs Set

2017 Malibu and Volt models. These models are equipped with the 5ET50 automatic transmission (RPOs MKV, MKE), which is an electronically-controlled, continuously-variable electric transmission (or drive unit) on hybrid models. (Fig. 14)   Fig. 14   The following DTCs may … Continue reading

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Service Know-How

The latest service topics from Brand Quality and Engineering are reviewed, including an update on the new 2017 Service Training Standards and how to perform a software update on the AFIT diagnostic tool. (Fig. 15)   (Fig. 15)   To … Continue reading

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New Essential Tool GE-52200 Propulsion System Lift

The new GE-52200 Propulsion System Lift table (Fig. 1) is designed for the removal/installation of electrical vehicle batteries as well as engines, transmission, transaxles, fuel tanks, suspensions, cradles and chassis system components.   Chevrolet Bolt EV dealerships are the first … Continue reading

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Sort It Out — New Service Information Table Sorting Features

The GM Service Information has implemented a number of new features recently designed to make it easier and more efficient to quickly access the information needed in the service bay every day.   Table Sorting   One of these new … Continue reading

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Inductive Charging Test Tool Adapter

A new Test Tool Adapter (EL-51755-UPD) has recently been shipped to all GM dealerships for use with the EL-51755 Inductive Charging Test Tool. The charging test tool is used to verify the charging system operation in a GM vehicle. The … Continue reading

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Unwanted Brake Apply in Reverse without Park Assist Activation

Some 2016-2017 CT6 and 2017 XT5 models may have an unwanted brake apply condition while in Reverse when there is no object behind the vehicle or around the vehicle. This condition may occur most often when the vehicle is cold … Continue reading

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Harsh Shifting on the 8L90 Automatic Transmission

There may be several harsh shifting conditions on some 2015-2016 Silverado, Sierra, Yukon and Escalade models equipped with the 5.3L engine (RPO L83) or 6.2L engine (RPO L86) and the 8L90 automatic transmission (RPOs M5U, M5X). The shift conditions may … Continue reading

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