Issue - Drilled a hole too big for JLT CAI grommet - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 06-15-2014 Thread Starter
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Issue - Drilled a hole too big for JLT CAI grommet

I installed my new JLT CAI this weekend on my V6 Mustang. Since it is automatic, I had to drill a hole as instructed here in step #4:

http://www.jlttruecoldair.com/ZenCar...I-FMV611-P.pdf

The 1/2" hole was too tight and I couldn't put the grommet and fitting inside of it. So I decided to enlarge the hole. Unfortunately, I screwed up and made the hole too big, to a point where the grommet is very loose (If I pull the automatic line to disconnect it, the grommet + fitting will likely come together with the line).

I added some silicon around the rubber grommet, so I don't think it will fall out while driving. Still, I wanted to fix in a better way, since I know the grommet + fitting will loose if I remove the automatic line one day.

I don't know if I made myself clear, but basically, can anyone think in a way of fixing this properly? I don't think JLT sells the CAI tube separately

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post #2 of 6 (permalink) Old 06-16-2014
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Get on the website of an industrial supply house (McMaster-Carr comes to mind) and look for a grommet with an OD to match the hole size you drilled and an ID to match the original JLT grommet.


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post #3 of 6 (permalink) Old 06-16-2014
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Issue - Drilled a hole too big for JLT CAI grommet

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post #4 of 6 (permalink) Old 06-16-2014
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Quote:
Originally Posted by mustangbr View Post
I installed my new JLT CAI this weekend on my V6 Mustang. Since it is automatic, I had to drill a hole as instructed here in step #4:

http://www.jlttruecoldair.com/ZenCar...I-FMV611-P.pdf

The 1/2" hole was too tight and I couldn't put the grommet and fitting inside of it. So I decided to enlarge the hole. Unfortunately, I screwed up and made the hole too big, to a point where the grommet is very loose (If I pull the automatic line to disconnect it, the grommet + fitting will likely come together with the line).

I added some silicon around the rubber grommet, so I don't think it will fall out while driving. Still, I wanted to fix in a better way, since I know the grommet + fitting will loose if I remove the automatic line one day.

I don't know if I made myself clear, but basically, can anyone think in a way of fixing this properly? I don't think JLT sells the CAI tube separately
This isn't a huge deal. Go to a good hardware store like an Ace or True Value, look for their fitting boxes. I used to work for a local hardware chain in Michigan called Gill-Roy's. We had a supplier called Jandorf that shipped a variety of odd but necessary fittings, grommets, hinges, flare couplings, etc. Heck, they even had the screw lock fittings for particleboard furniture in about 12 different sizes.

Anyway, we had two or three different boxes of rubber grommets with various OD and ID measurements. I'd carefully measure the OD opening you drilled and take the original grommet shipped to you for the ID measurement. You should find one that works just fine. Buy one you think is too big OD and put a little grease or WD40 on it to fit it in the drilled opening. Or heat it mildly with a hair dryer.

If you aren't near a local hardware store that carries jandorf, their website is simply Jandorf.com

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post #5 of 6 (permalink) Old 06-16-2014 Thread Starter
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Hey, good news

I followed your advice and went to a local supply shop where they seemed to have rubber grommets. They had some variety there, since they were cheap I grabbed a few of different sizes and tried it out at home:



You can see the small one on the right of the connector, that's the original one with some silicon on it. The one plugged to the connector is the one I ended up using, and now is holding perfectly!

Thanks guys.
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post #6 of 6 (permalink) Old 06-16-2014
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Good deal.

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