Skoda Octavia III 2013 Workshop Manual page 194

Octavia III 2013 ➤ , Octavia III 2014 ➤
1.8/132 kW TSI; 2.0/162 kW TSI engines - Edition 01.2015
Test procedure
WARNING
Hot steam may escape when the coolant expansion reservoir
is opened. Wear safety goggles and safety clothing, in order to
avoid eye injuries and scalding. Cover the cap with a cloth and
open carefully.
– Open compensation bottle.
– Position the cooling system testing device - V.A.G 1274- with
adapter - V.A.G 1274/8 - on the coolant expansion reservoir.
– Using the hand pump of the testing device generate an over‐
pressure of approx. 0.1 MPa (1.0 bar).
If pressure drops:
– Search position of the leak and repair fault.
Testing the pressure relief valve in the cap
– Position the cooling system testing device - V.A.G 1274- with
adapter - V.A.G 1274/9 - on the cap.
– Operate the handpump.
• The pressure relief valve should open at a pressure of
0.14...0.16 MPa (1.4...1.6 bar).
If the pressure relief valve does not open:
– Renew cap.
1.4.2 Checking with the cooling system test‐
ing device - V.A.G 1274 B-
Special tools and workshop equipment required
♦ Cooling system testing device , e.g. -V.A.G 1274 B-
♦ Adapter for cooling system testing device , e.g. -V.A.G 1274/8-
♦ Adapter for cooling system testing device , e.g. -V.A.G 1274/9-
186
Rep. gr.19 - Cooling