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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
Just so that it's clear, 16 psi will not, and should not, cause a CEL or the engine stuck in open loop.
At 16 psi, the boiling point is still well above the thermostat, so your engine stays at the same temperature. Why Ford went with a 20psi cap is beyond explanation.
I've been running for two weeks with an OPEN CAP (that's right, 0 psi) without a single problem. Wouldn't try that in the summer though!
Mine was replaced about 6 months ago and I have another coolant leak from somewhere but its not the rad. This coolant thing is driving me crazy. It only leaks in the morning and only the first time you drive the car, after that it will not leak.
The bad news......I had a '96, an '03, and now an '06. All 3 Explorer radiators leaked! The good news.......luckily, I haven't had to replace one "yet." The leaks have been manageable.
Looks like you can add me to the list of leaking radiators..
2006 Mountaineer 4.0L
So, im no amateur when working on cars, but any write ups on changing the radiator.
How do you add tranny fluid since the lines have to come off? So dumb there's no dip stick..
and whats the best brand to get? Do the 07+ work in the 06's?