wrx884
WA's ASR Rep
- Joined
- Mar 28, 2006
- Messages
- 3,687
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- Age
- 39
- Location
- Perth
- Members Ride
- VT Exec/ VT L67 Spac, 5L VP Calais, 77 TC Gemini
You will not get vacuum in the system. The cap has a small one-way valve in the middle so when the system cools and starts to create vacuum, the valve opens allowing coolant to enter from the reservoir bottle. Otherwise your radiator would implode.
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Well thats wat happend and a few members on here said so 2, its somthing 2 do with the seals on the caps not doin their jobs (prolly exactly wat ur explaining now) but as soon as i replaced the cap 2 a genuine 1 i had pressure back in my top hose and i didnt get that squashed hose look wen cold.