thank you. I have ordered the changeover part. It comes from EU but is 1/3 price from dealer. Thanks
mrrsharma@yahoo.com for the suggestion.
will report here but will few some time.
other issue I am facing ... wrote on other post ... is about coolant consumption. my oil report shows coolant. My suspicious now is the oil cooler. I dont expect head gasket as no overheating, performance or smoke.