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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

Technician A says that a prerequisite to accurate road-testing analysis is knowing what planetary controls are applied in a particular gear range. Technician B says that all slipping conditions can be traced to a leaking hydraulic circuit. Who is correct?

a. Technician A only

b. Technician B only

c. Both A and B

d. Neither A nor B

To determine

The technician with the correct approach.

Explanation

Given information:

Technician A says that a prerequisite to accurate road-testing analysis is knowing what planetary controls are applied in particular gear range.

Technician B says that all slipping conditions can be traced to a leaking hydraulic circuit.

Before running the road test, it is suggested to investigate the manual for normal operating condition. The test starts by running the vehicle at a normal speed to warm the engine and transmission. During this test, the transmission is checked in all operating modes. It is necessary to note down the operating condition. This is done to match the noted operating condition with the manual provided by the manufacturer. Then a check for all gear engagement and disengagement is noted down for smoothness of operation. Check the operation of gears in all modes in which a vehicle can be operated.

When the vehicle is moving with a constant speed, if the engine over-speed does not increase any torque to the driving wheels then a slippage in clutch occurs...

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