SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics | Mixture preparation system, electronic inj.,Gas | Checking components

Vacuum valve: checking > < Checking intake air system for leaks (unmetered air)

Checking intake air preheating

Special tools and workshop equipment required

t	Chilling spray (commercially available)

Checking regulating flap

–	Remove air cleaner → Fig..

–	Check control flap position -1-.

t	Above +23 °C flap must close warm air connection

t	Below +10 °C flap opens warm air connection

Note!

The function of the thermo-element can be checked easily by spraying it with a commercial chilling agent, to do this the air intake housing must be removed → Chapter, Dismantling and assembling air cleaner.

Power unit
4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics
Mixture preparation system, electronic inj.,Gas
Checking components
Checking intake air preheating

Vacuum valve: checking > < Checking intake air system for leaks (unmetered air)

SEAT Workshop Service and Repair Manuals

Leon Mk2

Power unit 4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics Mixture preparation system, electronic inj.,Gas Checking components Checking intake air preheating

Power unit 4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics Mixture preparation system, electronic inj.,Gas Checking components Checking intake air preheating

Power unit
4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics
Mixture preparation system, electronic inj.,Gas
Checking components
Checking intake air preheating

Power unit
4-Cyl. Injection Engine (2 valves, roller rocket finger), Mechanics
Mixture preparation system, electronic inj.,Gas
Checking components
Checking intake air preheating