Auto-Forums.net

[User132384]

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.

Is it possible the TB is cracked and leaking coolant? Is this green coil a
temp sensor ?

Any clues appreciated !

[John Smith]

The hose fitting that goes into the throttle body could be leaking. The
coolant is there to keep the throttle body from getting ice when
conditions are right. The venturi that is the throttle body has the
potential to ice up and the coolant runs through it to keep it from
happening. There is a slight possibility that there is an internal
crack in the throttle body that could cause the leak. You could add a
dye to the coolant and find the leak that way...

User132384 wrote:

[User132384]

[Truck]

If it is truly cracked it will have to be replaced. I would suspect a
hose first and foremost though.

Wil


On 26 Dec 2004 13:40:53 GMT, user132384@aol.commissary (User132384)
wrote:

[jjjsan]

IF the leak is from the TB.
There is a steel line that goes through the TB, that corrodes and leaks if
coolant has not been changed on a regular interval. Same issue on Nissan
Quest vans.
Some have just bypassed the TB with a short copper pipe or change hose to
bypass.
Check hose connection and clamps first.
Also check the thermowax valve as stated in earlier post if you have one,
for leaks around the o-ring.