Coolant Leak
New User
Joined: Aug 2005
Posts: 18
Likes: 0
From: Georgia
Coolant Leak from throttle body on 5.0 engine
OK, I've got the skinny and some pics. Local Ford dealer parts dept says that he has heard of this problem before and that Ford does not have a replacement part "plug" to put in the hole. You have to buy a whole new throttle body. The holes seem to be the casting holes for the throttle body or something more bizzare.
I ran around the inside with a dremmel tool grinding bit then scratched it up with a rat tail file. I then cleaned the area inside and out with paint thinner. Mixed up some JB Weld and then sucked it up into a straw. I placed the straw into the back of each hole and squeezed in the JB Weld while extracting the straw to keep air pockets from forming. Some duct tape sealed the epoxy in place over night to set up.
I flushed the system today and still have no leaks.
Check out the gallery under 1996 trucks for pics of the finished project.
I ran around the inside with a dremmel tool grinding bit then scratched it up with a rat tail file. I then cleaned the area inside and out with paint thinner. Mixed up some JB Weld and then sucked it up into a straw. I placed the straw into the back of each hole and squeezed in the JB Weld while extracting the straw to keep air pockets from forming. Some duct tape sealed the epoxy in place over night to set up.
I flushed the system today and still have no leaks.
Check out the gallery under 1996 trucks for pics of the finished project.
Senior User
Joined: Jul 2003
Posts: 299
Likes: 2
From: central valley California
Gentlemen,,, and ladies if they,re any present..
there is a milled hole located on the throttle body plate between the inlet and outlet in the water jacket. The purpose of this hole is to keep the TB from cracking should the coolant system become contaminated or just have plain water an freezer over..I have seen this problem from 95 thru 96 f series. MIL Spec trucks. I know of no fix for the leakage or weeping as some would call it other than replacement of The TB at this time..You may be able to contact your local Ford dealer and they may or may not have an alum plug for replacement Then again it is just easier when in the field to change out the TB an be on your way
there is a milled hole located on the throttle body plate between the inlet and outlet in the water jacket. The purpose of this hole is to keep the TB from cracking should the coolant system become contaminated or just have plain water an freezer over..I have seen this problem from 95 thru 96 f series. MIL Spec trucks. I know of no fix for the leakage or weeping as some would call it other than replacement of The TB at this time..You may be able to contact your local Ford dealer and they may or may not have an alum plug for replacement Then again it is just easier when in the field to change out the TB an be on your way
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