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Jeep Wrangler JK
JK General Discussion
Cold Radiator Cap After Driving
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<blockquote data-quote="JeepingPippy" data-source="post: 463431" data-attributes="member: 26006"><p>Hello, </p><p>I have a similar problem with my 2017 Jeep Wrangler Unlimited Sport and my wife was driving the jeep. I got a phone call saying the jeep was over heating and eventually got it home. I replaced the thermostat, water pump and radiator cap. I've burped the system at a incline and use a large funnel to ensure the coolant was at the highest point. After all that the jeep doesn't overheat and it blows hot air like it should the A/C also blows cold. The radiator cap is cold too the touch went on a 40 min drive and checked the cap and was cold not warm at all. The top radiator hose from the thermostat was hot. I opened the bleeding screw on the the thermostat and it was definitely hot coolant lol. The lower hose was kinda warm not hot but the radiator cap still cold. Was able to even remove the cap like the engine was cold, but it was at normal operation temperature. The temperature stays around 208 or 210. I went ahead and replaced the new thermostat, that I had installed was just curious and still same thing. No overheating but cold cap and I put in atleast 14 gallons of coolant and before anyone ask. Yes, I used the correct coolant that the dealership recommended for me to use. I'm at a lost of words, took it to the dealership and they was about worthless. They had it for over a week just to say nothing wrong and not sure if they even did anything. The only thing I'm thinking of doing now is to do a coolant system flush. I had also took the Jeep to the dealership for a oil leak and they replaced the engine oil cooler. One week after they installed that new oil cooler the jeep overhead. So, should I flush the coolant system or would the oil cooler be playing a part in this issue. If anything I'll take the Jeep to a different Jeep dealership and have them look at it. I rather not, which is why I'm asking and sorry for the long ass post. Just wanted to give all the information I could thanks and any input is greatly appreciated.</p></blockquote><p></p>
[QUOTE="JeepingPippy, post: 463431, member: 26006"] Hello, I have a similar problem with my 2017 Jeep Wrangler Unlimited Sport and my wife was driving the jeep. I got a phone call saying the jeep was over heating and eventually got it home. I replaced the thermostat, water pump and radiator cap. I've burped the system at a incline and use a large funnel to ensure the coolant was at the highest point. After all that the jeep doesn't overheat and it blows hot air like it should the A/C also blows cold. The radiator cap is cold too the touch went on a 40 min drive and checked the cap and was cold not warm at all. The top radiator hose from the thermostat was hot. I opened the bleeding screw on the the thermostat and it was definitely hot coolant lol. The lower hose was kinda warm not hot but the radiator cap still cold. Was able to even remove the cap like the engine was cold, but it was at normal operation temperature. The temperature stays around 208 or 210. I went ahead and replaced the new thermostat, that I had installed was just curious and still same thing. No overheating but cold cap and I put in atleast 14 gallons of coolant and before anyone ask. Yes, I used the correct coolant that the dealership recommended for me to use. I'm at a lost of words, took it to the dealership and they was about worthless. They had it for over a week just to say nothing wrong and not sure if they even did anything. The only thing I'm thinking of doing now is to do a coolant system flush. I had also took the Jeep to the dealership for a oil leak and they replaced the engine oil cooler. One week after they installed that new oil cooler the jeep overhead. So, should I flush the coolant system or would the oil cooler be playing a part in this issue. If anything I'll take the Jeep to a different Jeep dealership and have them look at it. I rather not, which is why I'm asking and sorry for the long ass post. Just wanted to give all the information I could thanks and any input is greatly appreciated. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Cold Radiator Cap After Driving
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