Water getting under Coil Cover - 2003-04 Mach 1 Registry Owners Club

ptim · 04-15-2009, 09:45 AM

Has anyone had this experience, the plugs closet to the firewall get it the most. The passenger side is the worst, I hardly ever spray water on my engine. Rain splashes up and finds it way down onto the plugs, I have my coil cover tight, but it looks like the gaskets have never done there job.

FastEddie09 · 04-15-2009, 10:46 AM

seal it with some RTV..........lots of threads about this. Most common is the passenger side 2 cyl closest to passenger compartment.

jaimoe · 04-15-2009, 10:52 AM

Even Ford knew this was a problem because they sealed the grommet with RTV on initial installation of the cover.

ptim · 04-15-2009, 11:28 AM

Quote:

Originally Posted by jaimoe

Even Ford knew this was a problem because they sealed the grommet with RTV on initial installation of the cover.

Yes, you are correct, they should have figured out a better solution

DOK · 04-15-2009, 11:52 AM

Yep, make sure all your COP's are good and seal the crap out of it with RTV. GM has the best set-up for COP ignition, but it's DARN EXPENSIVE to replace.

04-15-2009, 09:45 AM	#1
ptim Shake and Bake Join Date: Dec 2003 Location: Tallahassee, FL Posts: 485	Water getting under Coil Cover Has anyone had this experience, the plugs closet to the firewall get it the most. The passenger side is the worst, I hardly ever spray water on my engine. Rain splashes up and finds it way down onto the plugs, I have my coil cover tight, but it looks like the gaskets have never done there job. __________________ Light em up...If you can

04-15-2009, 10:46 AM	#2
FastEddie09 Registered User Join Date: Apr 2008 Location: Chicago, IL Posts: 370	Re: Water getting under Coil Cover seal it with some RTV..........lots of threads about this. Most common is the passenger side 2 cyl closest to passenger compartment. __________________ 2003 Mach 1 (The Black Slowmatic) 13.1 @ 106mph / 2.05 60ft before stall and dr Tuned by Tim Barth @ Mr Norms Garage 4200 Stall - BC Automotive Nitto NT05-R 275/40/17 MM FLSFC HPM Megabite JR LCAs CHE adjustable UCAs Tociko D-Specs Eibach Pro Kit 31 Spline Cobra diff 31 Spline Mosers FRPP Axle girdle 4.10 Gears FRPP Aluminum DS K&N Intake Intake spacer 3/8 O/R X pipe w/ Magnaflows Shaker air diverter

04-15-2009, 10:52 AM	#3
jaimoe Speed addict Join Date: Apr 2007 Location: Miami, FL Posts: 648	Re: Water getting under Coil Cover Even Ford knew this was a problem because they sealed the grommet with RTV on initial installation of the cover. __________________ Best time 1/8th mi--7.65@90MPH 2003 DSG Mach 1 99/01 Cobra front bumper Darrin-Matic w/3500 stall converter 100 Shot 4.10 Gears Stock Springs KYB AGX adjustable shocks/struts tubular LCAs UPR dbl adj UCAs Custom SCT Tune 255/40/18 front 295/35/18 rear FR500 Wheels Custom RAI UPR O/R X-Pipe Roy spacer Flowmaster 40's I may not be as good as I once was, but I'm as good once as I ever was." "Just an old man having fun"

04-15-2009, 11:52 AM	#5
DOK Registered User Join Date: May 2008 Location: LaPorte, IN Posts: 356	Re: Water getting under Coil Cover Yep, make sure all your COP's are good and seal the crap out of it with RTV. GM has the best set-up for COP ignition, but it's DARN EXPENSIVE to replace. __________________ MGW Short Shifter MM LCA's MM firewall adjuster MM Clutch quadrant Mac O/R Prochamber Bassani Cat-back FRPP Girdle JLT RAI FRPP Alum. Driveshaft 1/2" intake spacer 18" Mach Wheels Mach 460 delete SCT X3 Brenspeed tune 4.10's soon hopefully along with the 31-spline conversion when funds available.

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