Skoda OCTAVIA MK1 Service Manual page 105

WARNING
Hot steam may escape when the compensation bottle is opened. Cover the cap with cloths and open
carefully.
– Open the cap of the coolant expansion reservoir.
Position coolant system tester -V.A.G 1274 -
– with adapter -V.A.G 1274/8- on the
compensation bottle.
With the hand pump of the tester generate an
–
overpressure of approx. 0.1 MPa.
If the pressure drops determine position of the
–
leak and repair.
Testing the pressure relief valve in the cap
Screw cap onto tester with adapter
–
-V.A.G 1274/9-.
With the hand pump of the tester generate an
–
overpressure of approx. 0.15 MPa.
The pressure relief valve must open for an
–
overpressure of 0.12 to 0.15 MPa.
105