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トヨタ Master
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6,580 Posts
Discussion Starter #521
A few months ago, I had a check engine light that showed a misfire in #6 with a "shudder" at start up. Then, after about 15 seconds, engine would smooth out. I changed the plugs, fuel injectors, full fuel system cleaning and also read a bunch of stuff about the cylinder 6 issues. My mechanic took a camera and ran it down cylinder 6 and saw the cylinder wall was soaked in coolant. From what I read, it was an issue with the head gasket material (guys, please correct me if I'm wrong). After tear down, the condition of the old head gasket showed evidence of overheating at some point before I bought it. The new head gasket material looked much different.
I'm sure it happens. No machine success rate is 100%. It's just not common in the 4.0L platform. Sorry to hear about yours, mostly I see cavitation from improper maintenance such as infrequent cooling system flushes or another overheating problem due to another component failing. Glad you got it sorted out. (y)
 

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105 Posts
Turned over 150,000 last night. 2008 that I bought almost 5 years ago that had around 90,000 at the time. I knew I was close and meant to keep an eye out for when it hit 150 but totally forgot about it. Not sure why but happened to look down and it was at 149999.
IMG_3891.jpg
 

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2014 5100 lift, 275/KO2’s, trail teams odds and ends.
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16 Posts
Hit 100,000 on 2-2015
Hit 150,000 on 4-2017
Installed front Bilstein at 2nd notch with 1/4" spacer on driver side at 165,000 on 12-2017.

Repairs less maintenance to date
  • Front Rt/Lt Calipers due to one frozen piston at 165,000.
  • Front Bilstein Shocks with new lower control arms at 167,000, due to one frozen cam bolt and couldn't get its first front end alignment.
The cam bolts seem to be common issue.
 
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