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do I NEEEED a valve adjustment??

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Old 08-01-2008, 03:59 PM
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do I NEEEED a valve adjustment??

my truck has 82,000 miles on it and I think it sounds ok... I read somewhere that the valves should be adjusted every 36K and some people hadn't touched them for 200K will this hurt the engine if they are out of spec? is this a precaution or do they really go out of whack that easy? and finally what will the truck do, or sound like when the need adjusted?!?!
Old 08-01-2008, 04:32 PM
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Never a bad idea to perform a little PM.

Properly adjusted valves help efficiency and = less fuel used for the same job.

my .02
Old 08-01-2008, 04:44 PM
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At 82k you ought to do it.

Loose valves will wear the whole valvetrain more than properly set valves. Tight valves get burnt. The good news is that these engines generally go loose, so nothing really bad is going to happen if you don't do it right this instant. But you really oughta do it at some point.

You can hear them clatter most on overrun.
Old 08-01-2008, 07:53 PM
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Originally Posted by wannadiesel
At 82k you ought to do it.

Loose valves will wear the whole valvetrain more than properly set valves. Tight valves get burnt. The good news is that these engines generally go loose, so nothing really bad is going to happen if you don't do it right this instant. But you really oughta do it at some point.

You can hear them clatter most on overrun.
i've heard of some people not doing it till 200K!! holy crap!

whats overrun???
Old 08-01-2008, 09:57 PM
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Originally Posted by bjerauld

whats overrun???
Coasting down a hill. You'll hear a lot more noises when you aren't on the throttle.
Old 08-02-2008, 09:44 PM
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Originally Posted by bjerauld
i've heard of some people not doing it till 200K!! holy crap!
lalala-lala
Old 08-03-2008, 01:01 AM
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Originally Posted by Firstgenfanatic
lalala-lala

same here!


But no noticeable noise on over run.



Old 08-03-2008, 03:20 PM
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it's so easy you should do it just for fun...
Old 08-04-2008, 07:56 AM
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just do it youll feel great and your truck will be quieter
Old 08-04-2008, 08:14 AM
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easy job to pull covers and at least check them. At least you do not have to remove half of engine components to get to them.
Old 08-04-2008, 12:18 PM
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Originally Posted by Jschlachta
easy job to pull covers and at least check them. At least you do not have to remove half of engine components to get to them.
I'm just freaked out about messing something mechanical up!! I read the sticky and still cant figure out how to make sure cyl#1 is tdc... they're talking about watching valves to see whats moving and..... I dont know.... if I could get a clear description on how to watch the valves move to check clearance.. I dont care if I have to go cylinder by cylinder..... the picture on the sticky doesn't show anything.....


p.s. I cant get much overrun here in florida.... no hills
Old 08-04-2008, 12:55 PM
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What are the valves suposed to be set to.
Old 08-04-2008, 02:38 PM
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I recently did mine. Its not that big a deal. I had someone walk me through it being my first time and all. 2 Valves were too tight and one was a bit lose, the rest were fine. It does seem to idle a tad bit smoother but it could be my imagination. I just noticed that my 4WD shifter doesnt shake quite as much =D Regardless, it doesn't wont hurt to do it. It will at least give you peace of mind.
Old 08-04-2008, 03:54 PM
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Originally Posted by bjerauld
I'm just freaked out about messing something mechanical up!! I read the sticky and still cant figure out how to make sure cyl#1 is tdc... they're talking about watching valves to see whats moving and..... I dont know.... if I could get a clear description on how to watch the valves move to check clearance.. I dont care if I have to go cylinder by cylinder..... the picture on the sticky doesn't show anything.....


p.s. I cant get much overrun here in florida.... no hills
Use the timing pin then.

Originally Posted by sleeperman
What are the valves suposed to be set to.
0.010 intake, 0.020 exhaust
Old 08-04-2008, 07:07 PM
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how long will both valves be closed together? on one cylinder...... Just to get it right I was thinking about going one cylinder at a time and adjusting.... hell, maybe one valve at a time.... maybe i'll do every exhaust valve one at a time watching to see when its closed and adjust....then intake... might be faster then learning this whole timing thing. will this work?!?!?!? longer but it makes sense right??


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