Hi,
I have a 96 Sentra gxe with 157K miles. When the engine is cold and running, I get a drip from somewhere near the beginning of the throttle body. There is a coolant hose that feeds a metal tube that goes into the driver's side of the throttle body,right behind a green spring that is right next to the throttle lever.
The green coil attaches to the TB with screws. The TB is dripping from the area the green spring attaches to. It doesn't seem to be leaking out of the rubber hose. It seems to be coming right out the TB next to this green coil thing. Update : I have ruled out the hose as the source of the leak. I put newspaper under the connection of the hose to the metaL pipe, ran the car, got the drip, and the newspaper stayed dry. The drip was starting somewhere later on in the flowpath. I then got a mirror and watched the throttle body area from underneath. I saw the drip forming on the bottom of a brass-colored cylinder which was inserted into the throttle body. This brass-colored cylinder has a post sticking out of the middle of it horizontally, abnout an inch and a half long. Looks like coolant is seepeing out around the edges of this cylinder.
What is this brass-colored cylinder ? Can it be replaced ?
Is it possible the TB is cracked and leaking coolant?
Any clues appreciated !