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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel... Brake Seals Bulging 2021 Toyota Corolla LE 1.8l 65,000 mile...

f250 running cold Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting jcrowley508 New User Nov 24, 2007, 3:04 PM Post #1 of 5 (1446 views) f250 running cold Sign In i poped my radiator hose a couple of days ago and my truck was overheating(not to bad), i replaced the hose and now it is running cold< just did the thermostat still cold, dont know what else to do Tom Greenleaf Ultimate Carjunky / Moderator Nov 24, 2007, 4:59 PM Post #2 of 5 (1443 views) Re: f250 running cold Sign In Should be the thermostat. See if you can notice the upper hose getting warm way too fast when engine is started from cold and if so it's letting coolant by when it shouldn't. This t-stat if the 5.0 or 5.8 can fall down crooked when putting it back together. Can't recall if the six is like that but it might be too if mounted pointing towards front. Bet that's it and you can just stick the t-stat in the landing before installing it with some gasket maker and let it dry or use a peice of wire thru t-stat cover out hose end and bend the wire to hold it there then remove the wire when it is snugged up. If that happened it probably trashed your new thermostat, T jcrowley508 New User Nov 24, 2007, 7:26 PM Post #3 of 5 (1441 views) Re: f250 running cold Sign In i did use gasket maker Tom Greenleaf Ultimate Carjunky / Moderator Nov 25, 2007, 12:51 AM Post #4 of 5 (1439 views) Re: f250 running cold Sign In Gasket Maker: Ok, you used it but if the thermostat tilted or got bumped it's letting coolant thru to radiator before it warms up. It's easy to do that and even not leak. Feel the upper hose as I said and it will prove or disprove that, that has happened. Hose should stay stone cold till thermostat opens. If everything look right if you go back there test that or a new thermostat in a pan of water with a thermometer and watch it open only at close to the 192F it should be set for. Aftermarket ones will be 195F perhaps and that's fine. Don't get colder ones (than OE spec) for any vehicle as they don't help in hot weather at all for keeping an engine from overheating, T way2old Veteran / Moderator Nov 25, 2007, 11:35 AM Post #5 of 5 (1436 views) Re: f250 running cold Sign In Can we get year and engine size please? The 5.0 and 5.8 are different than the 4.6 or the 5.4. So engine size will help give you a better diagnosis. A generic easy way to purge air is to be sure the radiator cap is the highest point in the cooling system and remove cap and run engine until all the air bubbles stop showing. Then top off system and close up. Being way2old is why I need help from younger minds   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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