Case Study Archives - Professional Motor Mechanic

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Most drivers worried about dazzling headlights

|Date: October 29, 2025

Most drivers worried about dazzling headlights

Four-in-five drivers (82%) are concerned about getting dazzled by vehicle headlights with the arrival of ...

Four-in-five drivers (82%) are concerned about getting dazzled by vehicle headlights with the arrival of darker evenings, new RAC research has found.* Bright headlights the leading reason drivers fee ...

October 29, 2025
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Case Study: How to prevent a broken adjuster

|Date: January 24, 2020

Case Study: How to prevent a broken adjuster

Gates traces the cause of a broken adjuster to a common fitting error and provides the ideal solution. En ...

Gates traces the cause of a broken adjuster to a common fitting error and provides the ideal solution. Engine: VAG 1.4, 1.6, 2.0L Fuel: Diesel, common rail Year: 2012 onward When the Gates Claim Handl ...

January 24, 2020
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Building on success

|Date: November 07, 2019

Building on success

Following the recent growth in Motorpoint’s Peterborough branch, the company required a new, larger works ...

Following the recent growth in Motorpoint’s Peterborough branch, the company required a new, larger workshop. However, with this comes the headache of sourcing new equipment. Thankfully, Gemco was at ...

November 07, 2019
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The Power of Four

|Date: December 12, 2018

The Power of Four

European Exhaust and Catalyst’s (EEC) Stuart Still talks through a recent case, which he feels demonstrat ...

European Exhaust and Catalyst’s (EEC) Stuart Still talks through a recent case, which he feels demonstrates the importance of the four gas test when identifying an emission-based problem. ...

December 12, 2018
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DS-Flash: A Pass-Through Case Study

|Date: November 09, 2018

DS-Flash: A Pass-Through Case Study

Burton Motor Workshop invested in Delphi’s DS-FLASH tool in 2017 and they are now enjoying the full benef ...

Burton Motor Workshop invested in Delphi’s DS-FLASH tool in 2017 and they are now enjoying the full benefits that pass-through diagnostic capability can offer. ...

November 09, 2018
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Malfunction Indicator Lamp Illuminated – Mercedes GL550

|Date: June 11, 2018

Malfunction Indicator Lamp Illuminated – Mercedes GL550

Scott Baylis of the Von Housen Automotive Group, looks at a Mercedes GL550 with the engine malfunction in ...

Scott Baylis of the Von Housen Automotive Group, looks at a Mercedes GL550 with the engine malfunction indicator illuminated. ...

June 11, 2018
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Audi Diagnose That?

|Date: January 15, 2018

Audi Diagnose That?

This month, Joshua Jones has teamed up with Volkscraft, an Exeter-based independent VAG group specialist, ...

This month, Joshua Jones has teamed up with Volkscraft, an Exeter-based independent VAG group specialist, to bring you his account of an interesting diagnostic dilemma involving a 2009 Audi TTS 2.0 TF ...

January 15, 2018
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How to Fit a Timing Belt on a Skoda Fabia

|Date: December 15, 2017

How to Fit a Timing Belt on a Skoda Fabia

Timing belt replacement guide on a 2013 Skoda Fabia, Monte Carlo Engine: 1.6 TDi, 16-valve (engine CAYC) ...

Timing belt replacement guide on a 2013 Skoda Fabia, Monte Carlo Engine: 1.6 TDi, 16-valve (engine CAYC) following issues with timing belt noise. ...

December 15, 2017
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MIL Illumination & Severe Power Loss – 2005 VW Golf TDI

|Date: November 15, 2017

MIL Illumination & Severe Power Loss – 2005 VW Golf TDI

Sometimes we can be presented with vehicle faults that initially appear reasonably simple to diagnose and ...

Sometimes we can be presented with vehicle faults that initially appear reasonably simple to diagnose and rectify. Joshua Jones explains. ...

November 15, 2017
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Battery-Powered Profits

|Date: October 26, 2017

Battery-Powered Profits

PMM gets the full story from Yuasa's workshop battery trials that looked at the business and customer ser ...

PMM gets the full story from Yuasa's workshop battery trials that looked at the business and customer service benefits of testing every battery. ...

October 26, 2017
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Fixing the Unfixable Car – 2009 Audi A3

|Date: September 21, 2017

Fixing the Unfixable Car – 2009 Audi A3

A couple of years ago, the owner of a 2009 Audi A3 went around to many garages in Ireland, in search of a ...

A couple of years ago, the owner of a 2009 Audi A3 went around to many garages in Ireland, in search of a cure for a severe running problem. After many unsuccessful repair attempts, Train4Auto’s Steve ...

September 21, 2017
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Equalisation Charge for a Hybrid

|Date: August 30, 2017

Equalisation Charge for a Hybrid

In this case study, Steve Carter describes a problem he encountered on a Prius. ...

In this case study, Steve Carter describes a problem he encountered on a Prius. ...

August 30, 2017
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What was Causing Nissan Nightmares?

|Date: August 28, 2017

What was Causing Nissan Nightmares?

Josh Jones, a Devon-based Garage Manager for the AA, reaffirms his beliefs about well-thought out diagnos ...

Josh Jones, a Devon-based Garage Manager for the AA, reaffirms his beliefs about well-thought out diagnostic procedures. ...

August 28, 2017
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Faulty ABS Operation on Subaru Legacy

|Date: July 31, 2017

Faulty ABS Operation on Subaru Legacy

Case study of a faulty ABS operation on a 2005 Subaru Legacy SE. ...

Case study of a faulty ABS operation on a 2005 Subaru Legacy SE. ...

July 31, 2017
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What was Causing the Transit Troubles?

|Date: June 16, 2017

What was Causing the Transit Troubles?

Joshua Jones, a Devon-based Garage Manager for the AA, stresses the need for mechanics to take a step bac ...

Joshua Jones, a Devon-based Garage Manager for the AA, stresses the need for mechanics to take a step back and not be driven by assumptions when looking for a vehicle fault. As I tried to describe in ...

June 16, 2017
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