Belt Pulley, Removing From Compressor and Reinstalling (Version "1")

Belt Pulley, Removing From Compressor And Reinstalling (version "1")

NOTE:
- If the pulley overload safeguard has been triggered, check freedom of movement of the compressor before replacing the pulley. Replace entire compressor if it is stiff.
- Operation of pulley overload safeguard 240 Audi A2
- Depending on engine version, removal of pulley may involve separating compressor from engine.
- The compressor can be removed from the bracket and reinstalled without opening up the refrigerant lines.
- Before removing, mark direction of ribbed belt with chalk or felt-tip pen. Running a used belt in the opposite direction could destroy it.
- Different compressors are installed depending on engine and country version (installed to right or left of engine, 6-cyl. gasoline engine, cold or hot country).

Removing
- Remove noise insulation.
- Move lock carrier to service position.
- Loosen and remove ribbed belt.

Belt pulley, removing from compressor and reinstalling (version"1")







- Remove bolt - A - (tightening torque 20 Nm).

NOTE:
- If pulley cannot be removed with compressor in position, separate compressor from engine.
- When loosening off and tightening bolt -A-, provide support with commercially available pin wrench - C- (pin diameter 5.0 mm) at drive plate - B -.
- Bolt -A- must be replaced (because of locking fluid).







- Carefully and evenly pry off drive plate - A - using 2 screwdrivers - B -.

NOTE:
- When prying off drive plate -A-, take care not to damage collar of pulley - C -.
- There are different types of pulley - C - and drive plate -A-. Attention must therefore be paid to precise assignment.







- Remove securing ring - A -.
- Remove pulley - B -.

NOTE:
- Replace securing ring -A-.
- When installing securing ring -A-, take care not to bend it open more than necessary.
- Ensure correct insertion of securing ring -A-. Bevelled side - C- faces away from compressor (flat side faces compressor).
- Make sure securing ring is properly positioned in groove at compressor flange.
- Clean compressor flange before sliding on pulley. Belt pulley must be easy to fit (without having to exert force).