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Well, another problem reared its head. Apparently the radiator cooling fan comes on but won't shut down after the coolant temperature drops.
Any suggestions where to start looking ? Also, it seems that the temp gauge reads on the low side.
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Kuch
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Joined:
Sep 2016
Manlius, NY USA
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If you have a bad engine coolant temp sensor, the one that is mounted in between the injectors on an 88TC, that could cause it to act strange. Go to a local junkyard and grab one form an 80's Ford and swap it in to see if it corrects the problem. Mine was bad and replaced with a parts store replacement, but it never worked well, replaced with a genuine Ford one from an 80's Crown Victoria and works great now.
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof, GT3076, BP1.5 cam, PIMPx, Koni's
1964 Ford Galaxie 500XL, 390 6V, Big Solid cam, Headers,3.89's, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 312 4bbl intake, headers, 3 Speed, slow and low
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Jeff K
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Joined:
Apr 2001
Milwaukee, WI
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In addition to what Kuch said, it is possible the fan relay(s) are sticking shut. Next time the fan wont turn off, give the IRCM a good rap or 2 with a small hammer, wrench, etc. If fan turns off, replace IRCM.
Jeff Korn
88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Ok, I'm going to try changing the sending unit first. See if I can get one from a ford of similar vintage. I have a new RCM which I can install if that doesn't work.
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