Clean Throttle Valve Control Unit J338 - Skoda Octavia III 2013 Workshop Manual

Octavia III 2013 ➤ , Octavia III 2014 ➤
1.8/132 kW TSI; 2.0/162 kW TSI engines - Edition 01.2015
– Expose coolant hose -3-.
– Disconnect plug -1- at charge pressure sender - G31- .
– Unscrew screws -arrows-.
– Undo the hose clamp -2- for air guide hose and remove the air
guide hose from the throttle flap control unit - J338- .
– Remove air guide hose downwards.
– Disconnect the plug -1- from the throttle valve control unit -
J338- .
– Unscrew screws -arrows- of the throttle flap control unit - J338-
downwards, and remove the throttle flap control unit - J338- .
Install
Installation is carried out in the reverse order. However, pay at‐
tention to the following:
– Clean the original throttle valve control unit - J338- before re-
installation ⇒ page 296
– Clean sealing surface of sealing ring.
– Replace gasket ring after disassembly
• Tightening torques ⇒ page 289
– After replacing the throttle flap control unit - J338- the engine
control unit - J623- will require readjustment ⇒ Vehicle diag‐
nostic tester.
3.4 Clean throttle valve control unit - J338-
Note
If a new engine control unit is fitted - J623- , the throttle valve
♦
control unit must be adapted.
Soiling and carbonisation in the limit stop can lead to incorrect
♦
adjustment values.
When cleaning the throttle valve housing it must not be
♦
scratched.
Special tools and workshop equipment required
♦ Commercially available Acetone
♦ Paint brush
– Remove throttle valve module - J338-
296
Rep. gr.24 - Mixture preparation - injection
.
⇒ page 294 .