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Jeep Wrangler JK
JK General Discussion
Heat blows hot on passenger's side but cold on driver's side
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<blockquote data-quote="VForster" data-source="post: 458924" data-attributes="member: 25169"><p>I have had the same issue, 2013 Wrangler Sahara. Hot heat on passenger side and basically cool air coming out on driver side, annoying as hell. Turns out (not sure what exact years were affected, mine was) but there was casting sand that apparently weren’t cleaned out of the radiator or maybe accumulated over time, but it blocks the the little passages in the radiator making it cool by the time it gets to the driver side. Ok so solution was to flush the complete system with pressure and water (I can confirm which hoses are to be disconnected if interested), I got so much sediment out of mine, sludge too. Heat works like it did when it was new. Google “casting sand in JK radiator”</p></blockquote><p></p>
[QUOTE="VForster, post: 458924, member: 25169"] I have had the same issue, 2013 Wrangler Sahara. Hot heat on passenger side and basically cool air coming out on driver side, annoying as hell. Turns out (not sure what exact years were affected, mine was) but there was casting sand that apparently weren’t cleaned out of the radiator or maybe accumulated over time, but it blocks the the little passages in the radiator making it cool by the time it gets to the driver side. Ok so solution was to flush the complete system with pressure and water (I can confirm which hoses are to be disconnected if interested), I got so much sediment out of mine, sludge too. Heat works like it did when it was new. Google “casting sand in JK radiator” [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Heat blows hot on passenger's side but cold on driver's side
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