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Polo 3 (1995-2003) Polo 4 (2001-2009)

Removal and installation the voltage regulator/replacing the voltage regulator brushes (VW Polo 4)

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  • Removal and installation the voltage regulator/replacing the voltage regulator brushes
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Contents: Removal ↓ Installation ↓

Removal



Remove the generator, see previous chapter.

Note: depending on the model, it is also possible to remove the voltage regulator with the generator installed.


Generator 1: Unscrew the protective cover "2" from the back of the generator, see figure N₂7-0195.

Generator 1: Unscrew the protective cover «2» from the back of the generator, see figure N₂7-0195.


Unscrew the "arrow" screws and remove the relay-regulator by moving it backwards.

Unscrew the «arrow» screws and remove the relay-regulator by moving it backwards.


Replace the relay-regulator brushes if their length is 5 mm or less or if the length of the brushes differs by more than 1 mm. To do this, first unsolder the wire cores.

Check the contact rings for wear, if necessary, finely grind and polish (at a service station).

Clean the contact surfaces, check the tension of the contact springs and replace them if necessary.



Installation



Installation


Insert new brushes "A" and springs "B" into brush holder "C" and solder the connecting wires.

(The information is posted on this website: www.VWMANUAL.ru)

To prevent the solder from rising up the soldered wire when soldering a new brush, it must be grasped with tweezers.

Caution: As the solder spreads along the wire, it becomes hard, causing the brush to become unusable.


Insert the voltage regulator and screw it on securely.

After installation, check the ease of movement of the new brushes in the brush holder.

If necessary, tighten the generator protective cover.

Tighten the nuts

Install a generator, see previous chapter.

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Semenova Anna

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Previous articles
Removal and installation the generator/checking the generator charging voltage
Diagnosis of battery faults
Storage of the battery
Charging the battery
Spontaneous discharge of the battery
Checking the battery
Next articles
Generator fault diagnostics
Removal and installation the starter
Checking the starter traction relay
Starter fault diagnostics
Removal and installation the instrument panel
Removal and installation steering column switches


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Replacing the generator brushes and voltage regulator Passat B5 (1996-2005)
Replacing the generator brushes and voltage regulator Golf 4 (1997-2004)
Removal and installation the voltage regulator Touareg 1 (2002-2006)
Checking the fuel pressure regulator N276 Tiguan 1 (2007-2015)
Fuel pressure regulator Sharan 1 (1995-2000)
Replacing the generator's graphite brushes and checking the… Transporter T4 (1990-2003)
Changes to the electrical circuit (generator and voltage… Beetle (1960-1986)
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