SEAT Workshop Service and Repair Manuals > Leon Mk2 > Heating, ventilation, air conditioning system | Heating, ventilation and air conditioning | Air conditioner | Repair work on refrigerant circuit which may be performed only in appropriate workshops by specially trained mechanics | Removing and installing poly V-belt pulley (air conditioner compressor from ?Denso?)

Removing and installing poly V-belt pulley (air conditioner compressor from „Denso“)

Removing

–	Carefully remove circlip -A- using a small screwdriver or long nose pliers. When doing this, be particularly careful not to damage the poly V-belt pulley.

–	Counterhold air conditioner drive shaft -B- with a commercially available hexagon spanner or a hexagon socket from shock absorber set -T10001- (depends on design of air conditioner compressor).

–	Turn drive disc -C- with poly V-belt pulley -D- in direction of arrow -E- (specified torque 35 Nm).

–	Remove drive disc -C-.

–	Remove circlip -A-.

–	Pull off poly V-belt pulley -B-.

Installing

Note

t	Renew circlip -A-.

t	Clean air conditioner compressor flange before fitting poly V-belt pulley

t	When installing circlip -A-, ensure that it is not opened out more than necessary.

–	Install poly V-belt pulley -B-.

–	Install circlip -A- correctly, chamfer -C- faces away from air conditioner compressor (flat side towards air conditioner compressor).

–	Insert rubber elements -D- into poly V-belt pulley -B-, as shown in figure.

Note

When installing rubber elements -D- of drive disc, moisten lightly with, for example, tyre assembly paste or soapy solution (used as a lubricant)

–	Insert drive disc -C- into rubber elements -D- until it contacts drive shaft of air conditioner compressor -B-.

–	Screw drive disc -C- onto compressor shaft -B- by turning in direction of arrow -F-.

–	Install securing ring -A-.