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Registered
1999 Forester S Turbo
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26 Posts
Discussion Starter #1
Possibly a silly question but on the engine for a '99 S Turbo there are 2 tubes with yellow knobs with H and L written on them.

What do these knobs do?

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Registered
2009 2.0 D XC
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65 Posts
High and Low pressure "valves" in the air con system. A google search on diy air con recharge should give you an overview
 
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