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Technical
Compact knowledge: From basic knowledge to diagnostic tips for professionals – these pages provide you with HELLA expertise for your day-to-day work.
Home / Technical

Vehicle specific repair tips

Automotive lighting

Car air conditioning

Car cooling system

Car electronics and electrics

Sensors and actuators

Brakes

Exhaust technology

Technical product information
Home / Technical / Automotive lighting

Basic principles of car lighting technology

Headlights

Xenon headlights

LED headlights

Light distribution

Headlight adjustment

Condensation in headlight

Xenon and headlight bulb replacement

Headlamp levelling system

Headlamp cleaning system

Install daytime running lights

Bend lighting

Adaptive headlights

High-beam assist

Golf 6 rear combination lamp encoding

Signal lights in cars

Adjusting and replacing LED headlamps

Electronic control units in contemporary vehicles with LED headlamps

Home / Technical / Car air conditioning

Car air-conditioning

Car refrigerant & oil filling quantities

Change air conditioning compressor

Flushing the car AC system

Car air-conditioning leak detection

Thermal management in electric and hybrid vehicles

Home / Technical / Car cooling system

Engine cooling

Rinsing and ventilating cooling system

Refilling coolant

Cooling system check

Defective water pump

Home / Technical / Car electronics and electrics

Overview of driver assistance systems

Exhaust gas recirculation

Activated charcoal canister

Tyre pressure monitoring system

Secondary air injection system

Keyless Go

Car airbag system

Check Ignition coil

Adaptive Cruise Control

Lane change assist

Check change rain sensor

Programming car keys and changing batteries

Testing an electric vacuum pump

ABS/ESP control units for braking and driving dynamics

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

Electronic boost pressure control- turbocharger actuator testing

Starting and charging system

Home / Technical / Sensors and actuators

Crankshaft sensor

Test lambda sensor

Intake-air temperature sensor

Idle speed controller

Test coolant temperature sensor

Transmission range sensor circuit

Check change ABS sensor

Car knock sensor troubleshooting

Check air mass sensor

Camshaft position sensor

Accelerator pedal sensor

Throttle switch

Throttle potentiometer

Injection nozzle

Checking the exhaust gas temperature sensor

Checking a high-pressure fuel pump

Home / Technical / Brakes

Checking the brakes

Changing the brake discs, brake pads and brake calipers

Brake line and hand brake cables

Electric parking brake

Two-piece brake discs

Floating calliper guide pins

Replace handbrake cable

Repairing brakes: important information

Home / Technical / Exhaust technology

Exhaust system components and design

Car exhaust emission limits table

Exhaust gas aftertreatment design diagnostics
Home / Technical / Automotive lighting / LED headlights

Audi A6 Matrix LED Headlights

Home / Technical / Car electronics and electrics / Tyre pressure monitoring system

Programming and training tyre pressure sensors

Home / Technical / Car electronics and electrics / Starting and charging system

Checking the starter

Checking the alternator

Service work on the charging system

Check multi-function regulator

Starter damage assessment

Alternator damage assessment

Alternator freewheel clutch function and installation
Training
Gain an advantage through knowledge. You and your skills take centre stage for HELLA – this is why we will get you ready for a high-tech future with our training program.
Home / Training

HELLA webinars

Videos Live-Trainings
Garage equipment
Perfectly equipped for workshop tasks - HELLA makes sure of this. Our range of diagnostics and service units offers you the entire spectrum of professional equipment.
Home / Garage equipment

Vehicle diagnostics

Testing and adjusting tools

Special offers

Hella Gutmann services
Home / Garage equipment / Vehicle diagnostics

mega macs 56

mega macs ONE

mega macs PC

Motorcycle diagnostics

Home / Garage equipment / Testing and adjusting tools

ADAS calibration

Home / Garage equipment / Hella Gutmann services

Call Centre

HGS Data

PassThru

Live-Support

Hella Gutmann Drivers
Passenger car parts
Home / Passenger car parts

Vehicle lighting

Vehicle electronics

Vehicle electrics

Brake system

Exhaust system

ADAS - Transforming the automotive industry

E-Mobility
Home / Passenger car parts / Vehicle lighting

Headlamps

Fog lights

Auxiliary lamps

Work lamps

Rear combination lamps

Bulbs

Daytime running lights

Headlamp and lamp upgrades

Home / Passenger car parts / Vehicle electronics

Lambda sensor

Air mass sensor

Coolant temperature sensor

ABS sensor

Knock sensor

Rain sensor / Light sensor

MAP sensor

EGR valve

IBS sensors

Radar sensors

Accelerator pedal sensor

Exhaust gas temperature sensor

ABS control units

Air quality sensor

Tyre pressure sensor

Additional sensors

Parking sensors

Blind spot assistant

Fuel feed unit Fuel pumps

Home / Passenger car parts / Vehicle electrics

Windscreen wipers

Ignition coils

Coolant thermostats

Horns and trumpet horns

Installation material

Washer fluid pump

Car vacuum pumps

Relays

Spark plugs

E-charging cable

Home / Passenger car parts / Brake system

Brake pads

Brake discs

Brake shoes

Brake drum

Brake caliper

Brake hoses

Wheel brake cylinder

Brake master cylinder

Handbrake cable

Brake fluid

Other fluids & accessories

Home / Passenger car parts / Exhaust system

Diesel particulate filter DPF kits

Silencer kits

Catalytic converter kits

Exhaust pipe kits
Home / Passenger car parts / Vehicle lighting / Headlamps
Services
Skillfully draw attention to yourself - With our concepts and ideas for marketing, you can showcase yourself as a professional HELLA partner.
Home / Services

Campaigns & special offers

The Workshop's Friend

Mounting instructions
Lounge
Lounge
Home / Lounge
Legal notice
Data protection
Contact
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Technical
Vehicle specific repair tips
Automotive lighting
Car air conditioning
Car cooling system
Car electronics and electrics
Sensors and actuators
Brakes
Technical product information

Training

Garage equipment
Vehicle diagnostics
Testing and adjusting tools
Hella Gutmann services

Passenger car parts
Vehicle lighting
Vehicle electronics
Vehicle electrics
Brake system
Exhaust system

Services
The Workshop's Friend
Mounting instructions

Legal notice
Data protection
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Thank you for your interest in the HELLA TECH WORLD Newsletter - for garages!

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Please note: Your subscription will only be complete after you have confirmed receipt of this e-mail.

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