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Jeep Wrangler JK
JK General Discussion
What to avoid when buying a JK?
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<blockquote data-quote="MacGuyver" data-source="post: 456457" data-attributes="member: 18877"><p>Just like any vehicle, avoid first years, though they are still good, and if they have made it this far, the gremlins have probably been exercised.</p><p></p><p>The JK's first year was 2007 with the 3.8 engine. It's heavy and arguably underpowered, but it is solid. It tends to burn oil, but mine is 209k and runs great. Generally the 4 spd Auto from these years is not well liked.</p><p></p><p>2011 was a strange transition year. Jeep updated the interior, but it still has the 3.8 engine, so it is a very singular year for schematics.</p><p></p><p>2012 was the first year for the 3.6 engine. First year bugs. This seems to have bled into the 2013 year as well a bit.</p><p>2018 was the last year. However 2018 was also the first year for the new JL. So some will be the new model and some will be JK FYI.</p><p></p><p>3.6 is a generally better engine for the Jeep. It's lighter, and while the 3.8 had 205ish HP, the 3.6 is 285 HP. However, it is also much more complicated of an engine and harder to work on. Top of the heads needs to come off to change spark plugs for example. You will also pay more for the 3.6. The 5 spd Auto for the 3.6 is vastly better than the one that came with the 3.8 and it a very viable option. ( I personally would never get an auto with the 3.8.. or in a TJ, but would have no problem with the auto for the 3.6)</p></blockquote><p></p>
[QUOTE="MacGuyver, post: 456457, member: 18877"] Just like any vehicle, avoid first years, though they are still good, and if they have made it this far, the gremlins have probably been exercised. The JK's first year was 2007 with the 3.8 engine. It's heavy and arguably underpowered, but it is solid. It tends to burn oil, but mine is 209k and runs great. Generally the 4 spd Auto from these years is not well liked. 2011 was a strange transition year. Jeep updated the interior, but it still has the 3.8 engine, so it is a very singular year for schematics. 2012 was the first year for the 3.6 engine. First year bugs. This seems to have bled into the 2013 year as well a bit. 2018 was the last year. However 2018 was also the first year for the new JL. So some will be the new model and some will be JK FYI. 3.6 is a generally better engine for the Jeep. It's lighter, and while the 3.8 had 205ish HP, the 3.6 is 285 HP. However, it is also much more complicated of an engine and harder to work on. Top of the heads needs to come off to change spark plugs for example. You will also pay more for the 3.6. The 5 spd Auto for the 3.6 is vastly better than the one that came with the 3.8 and it a very viable option. ( I personally would never get an auto with the 3.8.. or in a TJ, but would have no problem with the auto for the 3.6) [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
What to avoid when buying a JK?
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