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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 08-24-2012, 01:38 PM   #1
irishmyles003
 
Join Date: Aug 2012
Vehicle: 1989 Mustang 5.0 H.O
Location: PA
Posts: 8
Default Coolant leak from exhaust/throttle body leaking water

Hey everyone! New member here, name is Myles. Been a huge mustange enthusiast since I can remember. But I'm posting on the forums for some help/general guidance.

I just purchased an 89 Mustang 5.0 H.O. It has a cold air intake and the previous owner did race it. It was a purchase off of CL.The car was towed to my house because it had been sitting for a few months and needed to be jumped. So i jumped it this morning but now I have a leak from the exhaust, it was leaking coolant. Also when running the engine I'm noticing a leak coming from under the throttle body that looks to be water. What would be the possible causes of coolant leaking out of the exhaust? Would it be possible for the water thats leaking from the underneath of the throttle body to somehow seep into the exhaust? Again, I'm not sure so thats why I'm here hoping to get some help
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Old 08-24-2012, 02:38 PM   #2
Tony71502
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Vehicle: 1991 Ford Mustang
Location: Pittsburgh
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The coolant leaking under your throttle body is more than likely a bad gasket between the EGR spacer and throttle body or EGR spacer and intake. There are two black hoses connected to the EGR spacer, which is between the throttle body and intake manifold, and those lines are full of coolant.

Are you sure it's coolant in the exhaust? Hopefully it's not a bad head gasket and just coolant coming into the engine via the bad EGR spacer gasket. Gonna have to fix that first.
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Old 08-24-2012, 03:17 PM   #3
irishmyles003
 
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Vehicle: 1989 Mustang 5.0 H.O
Location: PA
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Quote:
Originally Posted by Tony71502 View Post
The coolant leaking under your throttle body is more than likely a bad gasket between the EGR spacer and throttle body or EGR spacer and intake. There are two black hoses connected to the EGR spacer, which is between the throttle body and intake manifold, and those lines are full of coolant.

Are you sure it's coolant in the exhaust? Hopefully it's not a bad head gasket and just coolant coming into the engine via the bad EGR spacer gasket. Gonna have to fix that first.
Hey thanks so much for the reply. I'll definitely check out the gasket first and see if thats the culprit.
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Old 03-02-2014, 11:43 PM   #4
Markdk750
 
Join Date: Mar 2014
Vehicle: 1989 Ford mustang 5.0 HO
Location: California
Posts: 1
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Quote:
Originally Posted by irishmyles003 View Post
Hey thanks so much for the reply. I'll definitely check out the gasket first and see if thats the culprit.
I have the same sounding problem and was wondering if that fixed the problem? My motor runs great which makes me think it cant be a head gasket but the egr to throttle body makes sense, let me know how it went
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Old 08-29-2014, 08:52 PM   #5
Charliesstanghauls
 
Join Date: Aug 2014
Vehicle: 1990 ford Mustang cobra
Location: Illinios
Posts: 1
Default Fail

Haha i totally forgot
To install it
And had coolant all over the place...
Fail haha
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Old 08-29-2014, 08:52 PM
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