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  1. CTS First Generation Forum - 2003-2007
    What's the small hose coming from the bottom of the throttle body then connecting to a thin plastic line going back between the upper and lower intake manifold on an '03 3.2? I thought it was a vacuum line but it's dripping antifreeze. I've replaced the hose twice but it still drips. 😕
  2. FWD DeVille 1985-2005, Fleetwood, and 60 Special
    1991 deville 104k miles. When my car would get warm I would see coolant running down the side of the plastic end tank. I pulled the radiator from the car and ran water through where the upper rad hose would go so i could clean it out to put in the back of my SUV. While the hose was running water...
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