seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Air conditioning with manual adjustment > < Manually regulated air conditioning: repairing
Expansion valve: removal
   
Expansion valve: removal
  Note!
t  First remove the refrigerating agent with the unit -SAT 4006B-
t  It is possible to continue using the service instruments used to date → V.A.G and SAT workshop equipment filing cabinet
t  Security measures when working on the coolant agent circuit, once the agent has been extracted → Chapter
t  Parts marked with an asterisk (*) can be replaced without opening or emptying the circuit
t  All the coolant agent circuit components that are open must be closed off with plugs in order to prevent moisture from entering
t  The O-rings for the circuits of the coolant agent R134a are not distinguishable by color now. From now on only black and coloured rings will be used indistinctively
1 - Perforated plate
2 - O-ring
q   10.8 mm; 1.8 mm
3 - Heat protection*
4 - Bolts
q   8 Nm
q   2 units
5 - O-ring
q   7.6 mm; 1.8 mm
6 - Screw
q   7 Nm
7 - Coolant agent hose
q   From the drier tank to the expansion valve
8 - Coolant flexible hose
q   From the expansion valve to the compressor
9 - O-ring
q   16.7 mm; 1.8 mm
10 - Expansion valve
q   In the engine bay, on the left
q   The path should be hermetically sealed against splashing water
11 - O-ring
q   14 mm; 1.8 mm
Removal
  Note!
It is prohibited, by law, to release coolant agent into the athmosphere.
–  Remove the heat protection → Item
–  Remove the screw → Item
–  Remove the coolant agent hose → Item and the flexible coolant agent hose → Item
t  Replace the O-rings → Item and → Item
–  Unscrew bolts → Item
–  Remove the expansion valve → Item
t  Replace the O-rings → Item and → Item

   

Air conditioning with manual adjustment > < Manually regulated air conditioning: repairing