coolant leakage between manifold and head - Ford Mustang Forums : Mustang Forum
LinkBack Thread Tools Display Modes
post #1 of 3 Old 05-14-2019, 10:57 PM Thread Starter
Registered User
Trader Feedback: (0)
Join Date: Mar 2016
Posts: 18
coolant leakage between manifold and head

Leak is at back corner between manifold and head

Traces of orange coolant

Coolant in valley between manifold and head

I have a 2006 Mustang GT with an M90 Roush supercharger I installed about 10 years ago. I noticed a small coolant leak on the top of the engine at the back of the intake manifold on the driver side. In that little Valley between the intake manifold and the head at the rear of the manifold I found some coolant leakage.I like to get a second opinion before I start. This is strange to me because there is no water passage between the manifold and the head back in that corner. Any thoughts?

hotrodjohn71 is offline  
Sponsored Links
post #2 of 3 Old 05-15-2019, 03:09 AM
Registered User
Bullitt95's Avatar
Trader Feedback: (0)
Join Date: Apr 2007
Location: Cyprus
Posts: 2,809
The heater hoses run in the valley of the Vee so that's the likely source of the coolant leak.

2006 GT Deluxe - 5MT - 12.52 @ 109.33
311rwhp 328rwtq with stage 1 bolt-ons

"If you want a 2.3 Ecoboost, get the Focus RS. If you want a Mustang, get the V8."
Bullitt95 is offline  
post #3 of 3 Old 05-15-2019, 07:26 AM
Registered User
ZEN357's Avatar
Trader Feedback: (0)
Join Date: Feb 2018
Posts: 319
Sound's like it time for a tear down and new hoses and gaskets.
ZEN357 is offline  
Sponsored Links


Quick Reply

Register Now

In order to be able to post messages on the Ford Mustang Forums : Mustang Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
4.6 DOHC question. Rfreeman37 SVT & DOHC 313 01-07-2014 10:35 PM
Cooling mod. Where to start, where to end? Floordford GT & SOHC 31 08-30-2013 03:51 PM
White smoke from exhaust and loosing coolant - intake manifold or head gasket? BIGHANK S-197 Mustang (2005-2010) 2 08-01-2013 08:41 PM
This may help some of you with PI Headswap questions. Modular GT & SOHC 0 01-24-2009 04:32 PM
General OBD2 Code List MODMUSTANG GT & SOHC 3 09-08-2008 09:32 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome