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post #1 of 6 Old 01-08-2003, 09:37 AM Thread Starter
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overflow bottle

I just purchased a coolant overflow bottle from Qtech and can't seem to find the proper mounting place. The guy at Qtech didn't know. Also, The Jeep Bible mentions that I will need a special radiator cap that allows juice to flow both ways. The guys at the auto parts store say it ain't so. Who's right, and if The Jeep Bible is right, where can I get one of these special radiator caps?

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post #2 of 6 Old 01-08-2003, 11:50 AM
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my overflow bottle was OEM mounted in front of the starter relay on the pass inner fender. I did some mods and needed to move it, now it sits on the drivers side of the radiator very, very near to the Power steering pump pulley. My radiator neck has a fitting on it for a hose to go to the overflow bottle, the cap is just a standard 16? psi cap. The set up works well for me.

Good luck to you!

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post #3 of 6 Old 01-08-2003, 12:29 PM
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In my 86 CJ-7 it's mounted on the driver inner fender right alongside of the windshield washer bottle. The one mounting hole shares the same bolt as the washer bottle. It kinda is molded to fit over the ignition module.
Plus, the raditor should have a nipple just under the cap to attach the overflow hose.

Last edited by Scramblin_Man; 01-08-2003 at 12:32 PM.
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post #4 of 6 Old 01-08-2003, 12:42 PM
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Neither of my CJ's came with overflow bottles so I found a couple in the junkyard that would work. I put them where they would fit. Never did use a different cap on either and they work like they're supposed to.
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post #5 of 6 Old 01-10-2003, 10:40 AM
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What year is your CJ? Can't help much if we don't have all the info we need. Mines an 85 and just like Scramblin_Man's. I believe 82-86 are all the same. Your radiator should have the nipple for the overflow hose up near the cap. The water will flow back and forth when the pressure overcomes the spring in the cap.

2004 Rubicon, 6" lift, 35s, winch, hard top, full doors, bumpers, tire carrier and rock sliders.
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post #6 of 6 Old 01-10-2003, 06:38 PM Thread Starter
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Sorry, brain fart. It's an 83 Scrambler and Scramblin-man had the answer. It fit quite nicely over the ignition module. Now I just need to do some minor mods because the nipple on the radiator is on the passenger side and the tube's not long enough. Thanks for the help
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