Volkswagen Golf Service & Repair Manual: Air conditioning system pressure switch -F129
| This pressure switch has 3 functions: |
| 1. Switches radiator fan to next higher speed when pressure
increases in refrigerant circuit (approx. 16 bar). |
| 2. Switches the air conditioning system off in the event of
excess pressure (approx. 32 bar) (e.g. because of lack of engine
cooling). |
| 3. Switches the air conditioning system off in the event of
insufficient pressure (approx. 2 bar) (e.g. because of loss of
refrigerant). |
 Note
| The air conditioning system pressure switch -F129- replaces
the high-pressure switch for air conditioning system -F23-, the
low-pressure switch for air conditioning system -F73- and the
high-pressure switch for magnetic clutch -F118-. |
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WARNING
Danger of freezing injuries.
If refrigerant circuit has not been evacuated,
refri ...
This high-pressure sender -G65- is fitted in place of the
air conditioning system pressure switch -F129-.
When voltage is applied to the high-pressur ...
Other materials:
Headlight washer system
–
To loosen the connection, push the lock ring
-1--arrow- and pull off the hose
connection.
–
To secure the connection, push and hold the lock ring
-arrow- and push on the hose
connection. Check that the s ...
Assembly overview - door handle and door lock
Note
Only the left side is shown. The right side is similar.
1 -
Door lock
Removing and installing
→ Chapter
2 -
Bolt
1.5 Nm
For locking bar in door handle bracket
3 -
...
Assembly overview - toothed belt cover
1 -
Lower toothed belt guard
2 -
Bolt
8 Nm
3 -
Engine support
Specified torque and tightening sequence
→ Fig.
4 -
Bolt
Sp ...
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Connections to valves for switches in the refrigerant circuit
High-pressure sender -G65