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This is a poll for the JK 3.8L V6 and it's engine longevity. Engine problems so far?

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View Poll Results: What's your odometer reading? Problems??
25,000
21.76%
50,000
27.42%
75,000
21.33%
100,000
14.36%
125,000
6.64%
150,000
5.77%
200,000
1.74%
250,000
0.65%
300,000
0.11%
350,000+ (please list if higher)
0.22%
Voters: 919. You may not vote on this poll

This is a poll for the JK 3.8L V6 and it's engine longevity. Engine problems so far?

 
Old 12-22-2018, 03:21 PM
  #601  
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85,000 two water pumps, 1 Radiator, 1 RR brake caliper, 1 thermostat, thermostat housing, & pressure switch, 1 ABS module...changing out ball joints tomorrow with some teraflex heavy duty.
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Old 12-28-2018, 09:09 AM
  #602  
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Default 2012 with 45000

2 sets of heads in the first year...so lifetime warranty, but that was within the first year. Since evap leak and now an ABS light, waiting for an ABS capable reader to arrive tomorrow. Oh...biggest issue was POS lug studs. 4 broke with obvious defects in the cast so I replaced them all.
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Old 12-28-2018, 06:42 PM
  #603  
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Originally Posted by jmpett31 View Post
2 sets of heads in the first year...so lifetime warranty, but that was within the first year. Since evap leak and now an ABS light, waiting for an ABS capable reader to arrive tomorrow. Oh...biggest issue was POS lug studs. 4 broke with obvious defects in the cast so I replaced them all.
How many miles are on your Jeep?
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Old 12-29-2018, 08:09 AM
  #604  
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Originally Posted by dmwil View Post
How many miles are on your Jeep?
44,276....sitting in it now checking out my new AUTEL MAXISCAN 609. looks like I'm about to change a right rear wheel speed sensor.
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Old 12-29-2018, 09:13 AM
  #605  
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Originally Posted by jmpett31 View Post
44,276....sitting in it now checking out my new AUTEL MAXISCAN 609. looks like I'm about to change a right rear wheel speed sensor.
That thing is still just a baby!
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Old 12-29-2018, 02:30 PM
  #606  
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Originally Posted by dmwil View Post
That thing is still just a baby!
7 years young with 4 stored in a garage while I was on deployments.
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Old 02-20-2019, 04:42 AM
  #607  
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Thought I would post an update. I always liked this type of thread. Its very interesting to see how many miles these things will go and what problems if any other people have encountered. My 2011 is just over 122,000 now and still going strong. Nothing major to speak of...other than routine maintenance!
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Old 02-20-2019, 06:55 AM
  #608  
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193k on my 10 and she's doing just fine. I love it.
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Old 02-21-2019, 07:13 AM
  #609  
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2010 w/124,000 miles.

No major problems. It has always used 1qt per 2000-2500 miles. Recently replaced oil pan gasket. Valve cover gaskets may be next. EGR valve went at 60K, and may need to be replaced again soon. It seems happy with Pennzoil 10w30 high mileage.

It ain't pretty or quick, but it keeps going.
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Old 02-21-2019, 10:50 AM
  #610  
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Originally Posted by fivenote View Post
2010 w/124,000 miles.

No major problems. It has always used 1qt per 2000-2500 miles. Recently replaced oil pan gasket. Valve cover gaskets may be next. EGR valve went at 60K, and may need to be replaced again soon. It seems happy with Pennzoil 10w30 high mileage.

It ain't pretty or quick, but it keeps going.
What kind of problem did you have to know the EGR valve needed replacing?
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