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ActiveIndy

Overheating issue

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Anyone with a first gen TC have an issue with it overheating after siting still/idling for 15-20 or so minutes? I've mostly owned Honda products in the past and their cooling system is typically overengineered so I've never really had an issue like what I'm seeing with my van.

After 15-20 minutes of stop/go trafficwhen the temps outside are 85F+ the temp gauge starts climbing up near the red until I get the van moving again to get airflow over the radiator. Luckily here in Indy we don't have really bad traffic issues so this rarely happens, but it has happened a handful of times over the past couple of months.

Just trying to gauge if this is "normal" or if there is something going on with the thermostat or something. Coolant levels are good and the system was flushed by the dealer in the spring...

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Hello ActiveIndy. My first thought is your cooling fan is not working. Cooling temp should not show over half way on the temp gauge.

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Thanks guys - was able to take a look today and let it run until it heated up and did confirm the fans are not coming on. Can someone walk me through a few things I might be able to check before taking it into a dealer? There a fuse that might have blown? Electrical connections that have come a little loose?

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Check your owners manual for the fuse box info.

I've got a second gen and the blower is powered from a 50A Fuse (F8) on the high current battery junction box

There is also a control relay (R12) in the battery fuse box

There should be similar items on the first gen that you can check

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Hello DonShockley, thanks for trying to help ActiveIndy but the first and second generation Transit Connects are two different vehicles. It reads like you have a wiring manual for the second generation so please continue to jump in with help, we need more second generation owners with tech ability and manuals on this forum. ActiveIndy,as for the first generation engine cooling fans , they are supplied power from the battery junction box(BJB) behind the battery on the firewall. There are 3 fuses, a, 30 amp (F16) for the low speed relay, 50 amp (F17) for the high speed relay and 10 amp(F14) for the Power Control Module (PCM). F14 is the first fuse on the bottom left side of the BJB. It is a mini size fuse. F16 is two fuses over to the right and it is a large cartridge size. F17 is the next cartridge fuse to the right of F16. There is also a cooling fan diode and engine cooling fan resistor in the circuit but check the fuses first. If they all check good, let us know and I will tell you how to find the diode and resistor. Good Luck.

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Just came in from poking around in the fuse box. 50amp fuse was blown, but 30 amp looked ok. Need to go back and check the 10 amp fuse...

Is there a particular brand of fuses that are recommended? I assume this is something I can pick up at an auto part store (Napa, AutoZone etc)?

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ActiveIndy, for a 50 amp fuse to blow there will need to be a dead short in the wiring to ground or one or both fan motors are frozen solid! Check the wiring around the fans and follow it back as much as you can see and touch. I am sure any of the leading parts stores can supply a fuse. Please keep in mind that fuses blow for a reason, and a 50 amp fuse blows for a major reason. Let us know.

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Didn't see anything wrong with the wiring and both fans spin freely....

Went ahead and replaced the fuse and works as intended now. Will continue to keep an eye on things.

Thanks all!

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Ok ActiveIndy, thanks for the update. Glad we could save you a few dollars!

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Hello, I am experiencing the same symptoms on my 2010 TC.  Just got through testing Fuses F16, F17 & F14.  They all tested good.  I saw that there was also a Cooling Fan Diode & Engine Cooling Fan Resistor in the circuit.  Would anyone be able to help me locate those please?  

Thank you,

Frank

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In the power distribution box under the hood  30A 30B and 30C are relays that are in the Cooling fan  circuit.  The cooling fan diode is no 32 in that  box. You can test there for power and you can also see if the fan works from there.

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