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overheating


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eyob07
User

Jun 4, 2017, 3:34 PM

Post #1 of 5 (435 views)
overheating Sign In

hello there everyone, my 05 dodge carvan overheats when it is stationary. this is usually caused by failed cooling fan. but the fans are working ok. and i check power and ground. that is also fine. need you help.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 5, 2017, 1:39 AM

Post #2 of 5 (421 views)
Re: overheating Sign In

Possible up front problem could be low coolant level in radiator/engine but don't think this has a radiator cap to check just radiator. Still should do what you have to, to verify that then the problem is find out why if low.


BTW - Heater probably doesn't blow warm/hot air either nor system hold pressure when checked.


eyob07: Are you buying a lot of wholesale vehicles for resale? That meaning "Auction" cars? A lot of very needy vehicles show up at auction frequently from trade-ins where prior owner basically got almost nothing for them as dealer can check them out more before and know it's a lot of trouble, too many miles or too old for a new car dealer mostly.
Some great vehicles can be had and some with endless problems. Here you can't drive those at auctions just run them and look around in place. Your end cost after these problems taken care of should be leaving you lots of mark-up to cover the lost cause ones you will end up with. If that's what you are doing you already know it's a very tough biz,


T



eyob07
User

Jun 5, 2017, 3:18 PM

Post #3 of 5 (412 views)
Re: overheating Sign In

no I don't do that but I help some friends sometime, if i can that's all.


eyob07
User

Jun 5, 2017, 3:23 PM

Post #4 of 5 (412 views)
Re: overheating Sign In

thank you for responding, it holds pressure when the system is pressure tested, but like you said it might be low coolant or air in the system i will check that and let you know. one thing i forget to mention is there is a code for the fan circuit but when I check the fan with power probe it runs fine, and car only overheats when it stops.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 5, 2017, 8:27 PM

Post #5 of 5 (406 views)
Re: overheating Sign In

You may not even have a problem. These cars are intentionally programmed to run at higher temps at idle for emission reasons.

Let it run ans see how high it will go. Stop it if it goes into the red zone but you may find the fans kick on before that and bring the temp down.

You could also be missing low speed in the two speed fan system.



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