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A Practical Approach to Motor Vehicle Engineering and Maintenance, 3rd Edition by Allan Bonnick pdf free download

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A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition 3rd Edition by Allan Bonnick pdf.

A Practical Approach to Motor Vehicle Engineering and Maintenance, 3rd Edition by Allan Bonnick

A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition by Allan Bonnick free pdf download.



In this third edition some of the older technology has been removed and modern technology to include Level 3 topics has been included. Much emphasis has been placed on fault diagnosis because it is such an important part of a modern automotive technician’s work. 

The careful consideration of fault diagnosis that is undertaken in a range of examples in this edition shows how a methodical approach to fault diagnosis, based on good knowledge of automotive systems, can lead to success.

As an example, the ECU may report the fault code P0301 that tells us that there is a misfire in number 1 cylinder. The misfire may be caused by one or more factors, including:

Ignition problem, defective spark plug, defective HT cables, defective direct ignition coil, etc.

Poor compression, badly seating valve, leaking gasket, worn or broken piston rings.

Incorrect mixture in that cylinder, air leak, defective petrol injector.

It is clear that good ignition in a single cylinder is dependent on many factors, which must be taken into account when considering what action to take. Faults in some of these other areas may also be recorded in fault codes, but others will not. To locate causes of faults in these other areas may require use of specialist equipment, and reference to manuals and circuit diagrams e these factors are covered in detail in several of the examples in this book. The methodical six-step approach is highlighted as a sound basis for successful fault diagnosis.

Outline of the diagnostic process
1. Understand the problem.
Receive the customer and listen carefully to their description of the problem.
Understand the symptoms and check to ensure that they are understood before proceeding.
Make notes of details.
Carry out checks and make a visual examination. 

Perform a road test if thought necessary.
2. Analyse the evidence e firm up the diagnosis.
3. Verify the problem e carry out tests to confirm the diagnosis.
4. Find the cause e use test equipment.
5. Perform the necessary repair e consult the customer if there are alternatives.
6. Carry out thorough tests to ensure that the fault is cured. Ensure that the vehicle is properly prepared for return to the customer.

Questions/exercises
 authors have included a number of questions at the end of most chapters. In most cases they are designed to tease out certain points and I hope that readers will use them as the basis of discussion with fellow students and tutors. Where appropriate I have included my suggested answers.

A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition by Allan Bonnick pdf.

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Download A Practical Approach to Motor Vehicle Engineering and Maintenance, 3rd Edition by Allan Bonnick in free pdf format.

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