Validate there are no leaks from the reservoir bottle, feed/return lines or from the pump. If not, disconnect the two fluid lines running to the intercooler. Remove the SC lid. Remove the two fittings going into the intercooler. Next remove the intercooler and have it pressure tested. Make sure the o-rings on the two fittings you removed are in good shape before re-installing them. Make sure the SC gasket is fine before installing.
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