Unblocking drains DEFINITIVE THREAD

[strummagnet]

Originally Posted by HPsauce

Are you sure that wasn't the front aircon drains? Or the little high-level drains under the bonnet near the wings, often just opened up totally.

No, its the big plenum drain. As attached (unless I am getting in a twist). You can get to it through a panel high up under the wheel arch and also from below (with a bit of jiggling). Bear in mind mine is a V6 2.8 motor so maybe it is different with you 'bigger boys'?