HELLA TECH WORLD NEWS

Diagnosing brake problems

Diagnosing brake problems

Failure modes of brake pads and brake discs

Here you can find useful and valuable repair tips regarding damage assessment on brake discs, brake pads as well as wheel suspension and steering. 

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Ford Maverick - Engine not running smoothly

Ford Maverick

Engine not running smoothly

If complaints are made about the above-mentioned vehicle, i.e. that the engine is irregular and not running smoothly and also that the engine control lamp is lit, these could be signs of a defect in the exhaust gas recirculation system (EGR system).

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Audi A1 - Engine warning light comes on

Audi A1

Engine warning light comes on

If, in the vehicles mentioned above, the error memory indicates an issue with the exhaust gas recirculation, this may be due to a faulty exhaust gas recirculation radiator.

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Citroen C4 - Grinding noises coming from rear axle

Citroen C4

Grinding noises coming from rear axle

If the problems mentioned above are detected, this may be due to a hand-brake cable becoming stiff or stuck. Corrosion or internal damage can then cause the hand-brake cable to jam. 

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Nissan Micra - Engine stalls during driving

Nissan Micra

Engine stalls during driving

In the vehicles listed above, there have been complaints of the engine stalling during driving and refusing to start again. In this case, the aforementioned problem may be caused by a short circuit in the ignition coil. 

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VW Golf 5

Loss of coolant

The above vehicles may experience a slow coolant loss. It is not possible to determine the cause of this issue at a glance.

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Audi A4 - Indefinable noises

Audi A4

Indefinable noises / Accumulation of condensation

On the vehicles mentioned above, bubbling and/or gurgling noises can occur at idle speed. This may be due to condensation which accumulates in the ventilation hose of the charcoal filter tank.

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Opel Insignia - Remote control for the central locking system does not work

Opel Insignia

Remote control for the central locking system does not work

On the above mentioned vehicles the remote control may stop working due to a prematurely discharged battery. 

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BMW 3 series - Poor air-conditioning system performance

BMW 3 series

Poor air-conditioning system performance

With the above-mentioned vehicle, the engine either cuts out after starting it up or it fails when an attempt is made to drive off. It is also very difficult to start the engine again after such a failed attempt.

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Toyota Urban Cruiser - Smoke generation

Toyota Urban Cruiser

Smoke generation

Smoke generation may be experienced when driving one of the vehicles listed above. Engine oil can collect in the charge-air cooler and get into the combustion chamber, thus causing smoke to be generated during operation. 

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Adjusting and replacing LED headlights

Adjusting and replacing LED headlights

Replacing and adjusting an LED headlight on a Mercedes-Benz W212

The following information including service work shown is based on the example of a Mercedes Benz W212 (model year 2014) but also applies to other vehicle models with identical component systems. 

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Renault Clio - Low beam not functioning

Renault Clio

Low beam not functioning / Defective relay contact

If the low beam has failed in the above-mentioned vehicles, this may be associated with defective positioning of the low beam relay in the plug base.

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Peugeot 406 - Engine cuts out after starting

Peugeot 406

Engine cuts out after starting

With the above-mentioned vehicle, the engine either cuts out after starting it up or it fails when an attempt is made to drive off. It is also very difficult to start the engine again after such a failed attempt. 

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Chevrolet Volt - Auxiliary internal combustion engine activated when battery discharged

Chevrolet Volt

Auxiliary internal combustion engine activated when battery discharged (risk of intoxication)

When an electric car is switched off, a warning sound informs the user if the system (electric motor) is still active.

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Lexus IS F - Failure of the windscreen wipers

Lexus IS F

Failure of the windscreen wipers

If the windscreen wipers fail on the vehicle listed above, the cause may be a defect in the wiper arm. In this case, insufficient torque in the wiper arm nuts is responsible for the failure of the windscreen wipers.

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Ultrasound-based parking aid - park distance control (PDC)

Ultrasound-based parking aid - park distance control (PDC)

Useful information and valuable tips

The parking assistant is a driver assistance system that supports drivers during manoeuvring and parking and warns them of obstacles in the immediate vicinity of the vehicle. 

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Alfa Romeo Model 147 - Engine will not start

Alfa Romeo Model 147

Engine will not start

If a customer complains about the above problem, this could be caused by a defective crankshaft sensor. The vehicle cannot be started sporadically, irrespective of whether the engine is warm or cold. 

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Ford Mondeo - Front headlamp goes out

Ford Mondeo

Front headlamp goes out

On the vehicles mentioned above, customers have complained that the front headlamps fail while driving. The reason for this problem is faulty software for the headlamp module.

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Toyota Verso - Smoke generation

Toyota Verso

Smoke generation

Smoke generation may be experienced when driving one of the vehicles listed above. Engine oil can collect in the charge-air cooler and get into the combustion chamber, thus causing smoke to be generated during operation. 

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Range Rover Sport - Defective door latch system

Range Rover Sport

Defective door latch system

Complaints have been received that the automatic door latch system is not correctly locking the vehicle door on the vehicles named above, and that this can also open while driving.

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Opel Meriva B - Stop light permanently on

Opel Meriva

Stop light permanently on / Cruise control sporadically not functioning

If the above-mentioned problem is detected, one possible cause may be incorrect adjustment / positioning of the stop-lamp switch. 

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Tyre pressure monitoring system (TPMS)

Tyre pressure monitoring system (TPMS)

Service notes

The following information is illustrated using a Mercedes-Benz W 212 E350 featuring direct tyre pressure monitoring system, and a Mazda CX-5 featuring indirect tyre pressure monitoring system as an example.

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Kia Sorento - Formation of odour in vehicle interior

Kia Sorento

Formation of odour in vehicle interior; replacement of cabin filter

In the case of the above-mentioned vehicles, odours may form in the vehicle interior. In such cases, special attention should be paid to the cabin filter or filter housing.

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VW CC - Noises during steering movement

VW CC

Noises during steering movement

With this kind of repair job, the customer complains of a grinding noise in the steering column area when the steering wheel is moved / turned.

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Opel Astra K - Engine warning lamp lighting up

Opel Astra K

Engine warning lamp lighting up

In this repair case, the customer complains that the engine warning lamp lights up while driving.

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Mercedes Benz - Xenon headlights

Mercedes Benz - Xenon headlights

Read operating hours counter / set counter to zero

In some variants, the information about the operating minutes of the xenon lamps is stored in the supply module of the xenon headlight.

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Volvo V60 - Replacement of direction indicator bulbs

Volvo V60

Replacement of direction indicator bulbs

In order to replace the front direction indicator bulbs in this car, the headlamp/s has/have to be dismantled.

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Specific vehicle repair information

REPAIR INFORMATION

Vehicle-specific diagnostic and repair information relating to a variety of fault symptoms.

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HELLA online training

HELLA ONLINE TRAINING

Take advantage of the HELLA online training to refresh and expand your knowledge. Learn about the HELLA core competency areas at your own pace.

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Campaigns and special offers

CAMPAIGNS AND SPECIAL OFFERS

Here you will find an overview of the current campaigns and special offers from HELLA.

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Online product catalogue

ONLINE PRODUCT CATALOGUE

Quick, clear and efficient – Find the right HELLA Product!

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New products

NEW PRODUCTS

Here you can find all information about new products, product ranges and extensions from HELLA. 

To the new products