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just done the inter cooler and all associated pipes with petrol, gave the inter cooler a good soaking(filled it with petrol) rinsed it several times (with petrol) then put it out it the sun to dry.(making sure no fuel left inside) a lot of oil residue from the crank case breather feed into the intake. also done the EGT+removed butterfly. and re routed the grank case breather so it wont clog the inter cooler again. GU 4.2tdi.now runs a lot better.
Last edited by timbo1; 8th April 2012 at 07:54 AM.