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Rough Shaking 3.4

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Old 06-14-2018, 07:24 AM   #1  
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Rough Shaking 3.4

So I have a 2000 3.4 4x4 automatic. I waspulling a trailer about a month ago when all of a sudden my truck "popped" (possibly backfired, but I didnt think so) and started running rough. My transfer case also came out of 4x4 when this happened. If you put your hand on the intake plenum or hold the steering wheel(or sit in the seat really) you can feel the truck shaking pretty bad. I ran a compression test and had a low cylinder, so I broke down and did my first head gasket job. Checked my valves and had my heads shaved. The machinist said they were warped pretty badly. I got done and cranked it up only to find it still shaking. There are no codes or lights on the dash. Also have lots of oil on the passenger side. Posted on Tacoma World but they were no help. Please help, I need my truck back!
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Old 06-14-2018, 10:12 AM   #2  
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Were you able to verify that the head gasket was the cause of your low compression?

I would run a new compression test to see if you still have low compression on one (or more) of the cylinders.

Are you sure you got the timing belt lined up correctly?

What do you mean by lots of oil on the passenger side? Do you have a substantial oil leak?

I am not as familiar with the 5VZ-E as I am with the 22R-E, but I hope that gives you a starting place.

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Old 06-14-2018, 06:45 PM   #3  
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#1 where is the oil coming from? only you can tell us.
#2 which cylinder is misfiring? put a timing light on each spark plug and see if they are all firing, pull one off at a time until you find one that doesn't change how the engine is running.
#3 is that plug wet?
#4 is the compression good on that cylinder?
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Old 06-15-2018, 07:20 AM   #4  
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How low was the compression when you did the test? A Big Bang, vibration, and excessive amounts of external oil all sound like a cracked block.

Pictures will help us a great deal.
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