Northstar Engines and System Technical Discussion Discussion, Throttle body cleaning question in Cadillac Engine Technical Discussion; Me again (98 STS). I'm not a tech so excuse my stupid question, but I assume that the toothbrush method ...
Automobile(s): White Diamond '03 DHS (with DTS floor shift)
Re: Throttle body cleaning question
I can't recall if there is a gasket there or not but if there is you should be able to use the old one. Even if the gasket was damaged and had a small leak it would not make much difference in that position.