CAR Headlight motor

Headlight adjustment stepper motor: common defects and their signs

  1. Tearing of ball part
    • The headlights do not react to activation of adjustment actuator.
    • Foreign sounds come from the headlights at road irregularities overrunning.
    • A broken element can be seen inside of the headlight.
    • Light beam is directed downwards.
  2. Violation of elements fixation
    • Stepper motor operation sound is heard, but the headlights are not adjusted.
    • Adjustment is performed slower than usually.
  3. Breaking of a lock member, which fixes an inner spring
    • Position of one or both headlights can not be adjusted from inside of the cabin.
    • Headlights beam is directed to the lower end position.
    • Foreign sounds are heard during driving.
  4. Abrasion of a cable or its falling out from rod splines. Usually, at this defect there is no way to adjust the headlights.

How to repair or replace headlight adjustment stepper motor?

Possibility and order of repair depend on location and damage degree. If cable falling out occurred, you need to set it back to its place and fasten the clamp. Sometimes it is necessary to pull out the rod with the help of an adjustment bolt. If the socket is soiled, you need to clean it from dirt and oxides. At breakdown of some elements, like the cable, rod, or dust boot they should be replaced. These actions can be performed on your own, but if you have no experience of such works performing it is recommended to apply to a service station.

At occurrence of significant defects, the headlight incline adjuster should be replaced as a whole unit. It is better to perform this procedure at a service station. In order to replace the part, the negative terminal is disconnected from the battery, then wire connector is removed from the headlight adjustment motor, then the part is turned through 45 counter-clockwise, the high beam light bulb is demounted and the headlight reflector is pulled aside. After this, a defective drive is demounted, a new component is installed into its place and unit assembling is performed in the reverse order. After assembling, headlights incline is adjusted in accordance with car manufacturer’s recommendations.

For various car models there are some differences in the procedure of headlight adjustment stepper motor replacement. Moreover, there are nuances for replacement of the component on the left and on the right sides. Thus, sometimes, in order to gain access to the part, you need to demount the battery or expansion tank. In some cases, you need to remove the front bumper and demount the headlight unit.

Headlight motor Information

Headlight motor: Bestsellers

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RIDEX Control, headlight range adjustment
Article № : 700C0003
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£ 14,15
£ 11,32
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  • Operating Mode: Electric
  • Vehicle Equipment: for vehicles without Xenon light
  • Condition: New

OEM-Number

1J 09 4 129 5A

99 48 3 97

1Q 09 4 129 5

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TOPRAN Sensor, Xenon light (headlight range adjustment)
Article № : 502 798
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£ 41,97
£ 33,58
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OEM-Number

37 14 6 784 696

10 93 6 97

37 14 1 093 697

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HELLA Control, headlight range adjustment
Article № : 9XB 152 977-001
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£ 9,35
£ 7,48
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ABAKUS Sensor, Xenon light (headlight range adjustment)
Article № : 120-09-011
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£ 27,64
£ 22,11
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  • Number of connectors: 6
  • Condition: New

OEM-Number

4B 09 0 750 3

4B 09 0 750 3A

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HELLA Control, headlight range adjustment
Article № : 6NM 007 878-041
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£ 19,61
£ 15,69
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  • Operating Mode: Electric
  • Rated Voltage [V]: 12
  • Condition: New

OEM-Number

1J 09 4 129 5B

1J 09 4 129 5C

2M 51 1 3K1 98AA

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TOPRAN Sensor, Xenon light (headlight range adjustment)
Article № : 408 922
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OEM-Number

A0 10 5 427 717

01 05 4 277 17

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TOPRAN Control, headlight range adjustment
Article № : 208 655
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£ 12,68
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  • Operating Mode: Electric
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OEM-Number

91 14 3 34

12 07 5 25

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TOPRAN Control, headlight range adjustment
Article № : 208 654
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  • Operating Mode: Electric
  • Fitting Position: Left and right
  • Material: Polyamid 6
  • Condition: New

OEM-Number

5P 09 4 129 5

12 07 2 03

13 12 9 840

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