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Jeep Wrangler JK
JK General Discussion
No coolant in overflow tank
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<blockquote data-quote="MBohn" data-source="post: 427256" data-attributes="member: 19146"><p>Hi, new member here. We just bought a used 2018 JK a few days ago. Should have checked this myself, but neglected to. She stopped at a friend's house on the way home, the husband who is a backyard mechanic checked the fluids and found no coolant in the overflow. The radiator had coolant, but he went ahead and put some SuperTech 50/50 in the overflow. Now I'm extremely concerned about mixing a different formulation, especially since I can't be certain the correct fluid was in there to begin with. Should be the Mopar 10 yr/150,000 mile OAT as far as I can tell.</p><p></p><p>So my question is should I completely drain & refill with the Mopar fluid?</p><p></p><p>Thanks so much in advance.</p><p></p><p>Mark</p></blockquote><p></p>
[QUOTE="MBohn, post: 427256, member: 19146"] Hi, new member here. We just bought a used 2018 JK a few days ago. Should have checked this myself, but neglected to. She stopped at a friend's house on the way home, the husband who is a backyard mechanic checked the fluids and found no coolant in the overflow. The radiator had coolant, but he went ahead and put some SuperTech 50/50 in the overflow. Now I'm extremely concerned about mixing a different formulation, especially since I can't be certain the correct fluid was in there to begin with. Should be the Mopar 10 yr/150,000 mile OAT as far as I can tell. So my question is should I completely drain & refill with the Mopar fluid? Thanks so much in advance. Mark [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
No coolant in overflow tank
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