r300chris Posted March 25, 2012 Share Posted March 25, 2012 New to Caterhams, can anyone tell me the purpose of the clear plastic bottle that is fitted near the radiator and is connected by hose to top of cam cover, it also has a high level pipe which drains to waste. I have done around 500 miles over last couple months and have just noticed about 20mm on fluid depth in bottle, of what looks like water (condensation) slightly oily ? Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted March 25, 2012 Share Posted March 25, 2012 Sounds like a catch tank for excess oil ? Or a tank to catch oily mist from breather ? Edited by - Stationary M25 Traveller on 25 Mar 2012 22:27:47 Link to comment Share on other sites More sharing options...
Cookie Monster Posted March 26, 2012 Share Posted March 26, 2012 It's a catch tank as above. My k series R300 very rarely has anything in it but occassionally - after a track day - will have some oil(y) deposit in it. Edited by - Cookie Monster on 26 Mar 2012 08:52:41 Link to comment Share on other sites More sharing options...
Fil M Posted March 26, 2012 Share Posted March 26, 2012 my 1800 K series collects water and water vapour in this bottle along with a bit of oily brown splodginess. Its normal. Its a breather tank and its job is to catch what it catches... water and oil vapour and stop it hitting the tarmac or crudding up the outside of the engine. Once in a while I empty it ... it lifts off its retaining 'rails'. Just pull the pipe off and prise off the cap. Thats as complicated as it gets Fil Link to comment Share on other sites More sharing options...
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