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337 results found for Autobiz

...Testing Piezoelectric Injectors When you squeeze quartz an odd thing happens, it will produce a current. When you apply current to quartz, it will rapidly change shape and stay in that new shape. Piezoelectric injectors uses this characteristic to provide fast, precise control of inject...

...Autobiz Tech Helpline Autobiz Helpline Tim Stock Temperature and pressure relationships in AirCon systems In a recent edition, we explored the common issues faced by workshops diagnosing modern air conditioning systems, and the issue with compressors that had failed to operate, for man...

...Tech Bits with Tim Stock from November 2018 Renault Trafic R9M 1.6 Bi-Turbo Non-start The scope trace from the cam and crank sensors, after the flywheel was re-installed An alignment hole on a flywheel, at arrow A customer's Renault Trafic was given to the junior tech to change the clu...

...Understanding Long Term Fuel Trim - a hidden gem that will save you time and money Long term fuel trim (LTFT) is a powerful PID in the diagnostic data that is often overlooked or ignored by many technicians. Here are 2 recent examples of the power of LTFT data that can make early diagno...

...Tech Bits with Steve Rothwell May 2018 Tales from the workshop Opel Combo - Steering Rack Surprise The steering rack had excessive rust in the unit cause by a lack of lubrication following a boot replacement The driver of this 2008 Vauxhall Combo van, had been unhappy with the steeri...

...Renault Clio - Handbrake Adjustment Correction Once the cables were released the calliper levers returned to the back stop Some owners it seems, have a hang up about the number of notches the handbrake travels before it holds the vehicle firmly. This is not a problem, except on a vehicle...

...VOLVO S60 - Lumpy tick-over and into Limp Mode The throttle body sits below the manifold and can only be accessed once the manifold is off The owner of this 2001 Volvo S60 2.0l had been experiencing a problem with a lumpy tick-over for some time now, but things were getting worse. Then t...

...Volkswagen Golf - Antiroll bar knock Removing the drop link, allows more movement and easier fitting of the new D bushes The source of a very loud knocking noise can often be a surprisingly small bush. The humble D bushes on the antiroll bar often fail, allowing a tiny contact point betw...

...Peugeot 206 - Seriously Overdue Radiator The radiator was rotten to the core, and even the best additive wasn't going to make it a serviceable unit The owner of this 2006 Peugeot 206 Sport was not the kind to spend money unnecessarily on his motor. The radiator began to leak over a year...

...Tech Bits with Steve Rothwell from September 2018 Astra - Intermittent cutting out The dirt in the fuel tank which led us to believe that the problem was fuel related was nothing more than a red herring An intermittent problem is bad enough, but when it's a family member's vehicle, it...



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