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Titanium dioxide Lambda sensors – function and design

|Date: November 14, 2012

Titanium dioxide Lambda sensors – function and design

This type of sensor is known as a metal oxide sensor. Unlike zirconium dioxide Lambda sensors,titanium di ...

This type of sensor is known as a metal oxide sensor. Unlike zirconium dioxide Lambda sensors,titanium dioxide sensors do not self-generate a voltage. The ceramic element is a semi-conductor, the elec ...

November 14, 2012
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Start/Stop systems – challenges for the workshop

|Date: November 12, 2012

Start/Stop systems – challenges for the workshop

Recently at eXponentia training we conducted a survey on the technical systems of the future –interesting ...

Recently at eXponentia training we conducted a survey on the technical systems of the future –interestingly most garages felt they had insufficient knowledge to repair these systems adequately. ...

November 12, 2012
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Clutch replacement – Audi A3

|Date: November 12, 2012

Clutch replacement – Audi A3

The second generation Audi A3 wasmanufactured from 2003 until 2012 and was given a facelift in 2008. It i ...

The second generation Audi A3 wasmanufactured from 2003 until 2012 and was given a facelift in 2008. It is a hugely popular vehicle in the UK, with over 220,000 vehicles on the road, and is also a reg ...

November 12, 2012
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Ignition coils and MAF sensors – installation and fault finding

|Date: November 09, 2012

Ignition coils and MAF sensors – installation and fault finding

IGNITION COILS Installation ■ Carefully place the replacement ignition coil into the plug hole of the cyl ...

IGNITION COILS Installation ■ Carefully place the replacement ignition coil into the plug hole of the cylinder head, orienting it the same way as the original sensor. ■ Connect the ignition coil to th ...

November 09, 2012
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Wiper motor wiring issues

|Date: November 07, 2012

Wiper motor wiring issues

Valeo Service has received a number of wiper motors returned under warranty, with a fault stated as inter ...

Valeo Service has received a number of wiper motors returned under warranty, with a fault stated as intermittent operation or not working. After analysis of the returned parts where no fault has been ...

November 07, 2012
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Cabin air and diesel filters – winter checks

|Date: November 02, 2012

Cabin air and diesel filters – winter checks

In terms of vehicle performance over the winter months it’s essential that diesel fuel filter checks are ...

In terms of vehicle performance over the winter months it’s essential that diesel fuel filter checks are carried out before temperatures fall to freezing. An OE quality, highly efficient fuel filter w ...

November 02, 2012
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Power steering pumps – seal replacement

|Date: October 26, 2012

Power steering pumps – seal replacement

Not so much a tale, but more an advisory caution. The other day one of our sales guys enquired as to why ...

Not so much a tale, but more an advisory caution. The other day one of our sales guys enquired as to why one of his customers had had an EPHS pump declined warranty, due to water ingress. So I thought ...

October 26, 2012
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Rear brake callipers – the importance of ‘blanking screws’

|Date: October 25, 2012

Rear brake callipers – the importance of ‘blanking screws’

TRW’s Technical Manager, Brian Newell, describes a recent garage encounter he came across: “The other day ...

TRW’s Technical Manager, Brian Newell, describes a recent garage encounter he came across: “The other day I took a call from a garage having problems installing one of our rear callipers. The issue wa ...

October 25, 2012
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Drive belts – workshop questions and answers

|Date: October 23, 2012

Drive belts – workshop questions and answers

What's the most common cause of a noisy Auxiliary Belt Drive System (ABDS)? ...

What's the most common cause of a noisy Auxiliary Belt Drive System (ABDS)? ...

October 23, 2012
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Diagnostic Troubleshooting – the pitfalls of ‘diagnosis by fault code’

|Date: October 21, 2012

Diagnostic Troubleshooting – the pitfalls of ‘diagnosis by fault code’

Recently we had a visit from a Peugeot 206 that arrived at the workshop with a stallingcomplaint. The own ...

Recently we had a visit from a Peugeot 206 that arrived at the workshop with a stallingcomplaint. The owner explainedthat when she came to a halt on a roundabout or in stationary traffic, after 10 sec ...

October 21, 2012
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Catalytic converters – general maintenance and care

|Date: October 19, 2012

Catalytic converters – general maintenance and care

1) Never use exhaust paste in front of a catalyst when fitting. When the exhaust paste hardens it can bre ...

1) Never use exhaust paste in front of a catalyst when fitting. When the exhaust paste hardens it can break off in chunks and damage the monolith. Paste dust can also block the monolith. 2) Always use ...

October 19, 2012
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How to change a clutch on a Mercedes C Class

|Date: October 17, 2012

How to change a clutch on a Mercedes C Class

Introduced in 2000, the Mercedes C Class W203 is a proven contender for the competitive executive compact ...

Introduced in 2000, the Mercedes C Class W203 is a proven contender for the competitive executive compact market and has sold over 80,000 vehicles in the UK, making the vehicle a perfect candidate for ...

October 17, 2012
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Antifreeze and coolants – ‘vehicle specific’ applications

|Date: October 16, 2012

Antifreeze and coolants – ‘vehicle specific’ applications

Antifreeze and coolants have had to evolve to absorb and disperse the much greater heat generated by mode ...

Antifreeze and coolants have had to evolve to absorb and disperse the much greater heat generated by modern engines, while providing equal protection to the multitude of elements and components they c ...

October 16, 2012
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How to replace a timing belt on a Vauxhall Astra H

|Date: October 15, 2012

How to replace a timing belt on a Vauxhall Astra H

Before carrying out any work,disconnect the battery earth cable.It is important that belt installationis ...

Before carrying out any work,disconnect the battery earth cable.It is important that belt installationis performed on an engine atambient room temperature. Always turn the engine in the normal directi ...

October 15, 2012
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Coil spring degradation – the effect of cold weather

|Date: October 12, 2012

Coil spring degradation – the effect of cold weather

The MOT Testing Manual includes some valuable advice for the tester when it comes to inspecting the state ...

The MOT Testing Manual includes some valuable advice for the tester when it comes to inspecting the state of the coil-spring and its mountings. Section 2.4.C discusses in some detail how coil-springs ...

October 12, 2012
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