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How to Fix Ford 4.6 Coolant Leaks

Junkyard Builder

By , Photography by

It’s been nearly two years since we last wrote about Project Panther, our 2003 Ford Crown Victoria. Rest assured, it’s still here and running stronger than ever with Trick Flow’s top-end kit and Stainless Works exhaust. After this much time and about 15,000 miles since we rebuilt the engine, there have been no issues, zero oil consumption and no leaks of any kind, until late last year when a small puddle of coolant would appear underneath the car after sitting for more than two days without being driven.

Fluid leaks can be hard to trace. A puddle on the ground underneath the back of the engine can actually originate from a source near the front of the engine. It takes some investigative work to find the exact cause of a leak, and here’s how we did that and ultimately solved the problem.


Parts List

Description P/N Source Price
Ford Racing PI intake manifold M-9424-P46 Summit Racing $239.97
Intake manifold gaskets 2L3Z-9439-AA South Bay Ford $34.01
Dorman intake manifold: PI heads 615-175 Summit Racing $177.97
Dorman intake: Non-PI heads 615-178 Summit Racing $225.97
Edelbrock Victor Jr. 28385 Summit Racing $309.97


SOURCES
Summit Racing
Akron
OH
800-230-3030
330-630-0240
http://www.summitracing.com/
Edelbrock
2700 California St
Torrance
CA  90503
310-781-2222
http://www.edelbrock.com
Modular Head Shop
Cassleberry
FL
321-262-1132
www.modularheadshop.com
Ford Racing Performance Parts
15021 Commerce Drive S
Suite 200
Dearborn
MI  48120
800-FOR-D788
http://www.fordracingparts.com
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