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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

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Old 03-26-2007, 12:14 AM   #1
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22re valve lifter noise question

mine are still just as noisy after setting the clearance as before. i've been told that is normal, and i believe it is. i'm just wondering what your experience with it is - if any of you have a 22re with 100k+ on it that doesn't tick. or if any of you have significantly quieted yours down by adjusting them (short of setting them too tight or something like that). and for any of you who bought your pickup new from the dealership, were the valves noisy brand new? and if not, when did they start getting noisy? just curious.
i know that the valve lifter noise is normal, i am just wondering how much it varies from engine to engine....because i know mine couldnt have sounded like this in 1991 when it was all shiney and new, sitting at the toyota dealership with 5 miles on it. (or could it have?)
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Old 03-26-2007, 02:44 AM   #2
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Mine never made noise. I just installed a timing chain, and now they are a little noisey. I will adjust them today. I'll let you know what tolerance I set them to.
Also if you overtighten the valve cover, it will pull up on the rocker shafts. Torque for the valve cover is 52 inch pounds.

Mileage = 158,000

Last edited by HAVOC; 03-26-2007 at 02:51 AM.
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Old 03-26-2007, 03:33 AM   #3
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Mine are noisy. Have been ever since I bought it with 150,000 on it. I now have 212,000. It has had a headgasket and timing set and still noisy.

I think it is just the nature of the beast.
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Old 03-26-2007, 03:58 AM   #4
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We have a couple running 22re trucks here, mine has 200k on it and even with the valves carefully at spec (.008 intake, .012 exh) it has several interesting clicks and clacks LOL
Just last weekend we installed a hand-built/rebuilt 22re in the other 4Runner, and the ONLY sound it makes is the tiny click of the injectors, I was amazed.

I'm ready to build another one to replace this 200k unit. Only thing, it runs just as well!
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Old 03-26-2007, 05:59 AM   #5
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mine have been clicking ever since i bought it at 84k. I've adjusted them several times, and there is a difference depending on how you adjust it. I'm going to go back in the next couple weeks and re do the adjustment. Definately make sure they're warm. Some people on here also claim that .011 on the exhaust is better. If you do a search there are a number of threads about the adjustments. I did try at one point (saw it in a thread here) doing them at .007, and .011 cold, and it definately does not work as well as doing them correctly when hot.
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Old 03-26-2007, 12:12 PM   #6
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Quote:
Originally Posted by MMA_Alex View Post
mine have been clicking ever since i bought it at 84k. I've adjusted them several times, and there is a difference depending on how you adjust it. I'm going to go back in the next couple weeks and re do the adjustment. Definately make sure they're warm. Some people on here also claim that .011 on the exhaust is better. If you do a search there are a number of threads about the adjustments. I did try at one point (saw it in a thread here) doing them at .007, and .011 cold, and it definately does not work as well as doing them correctly when hot.
The advantage of doing them cold to 7 & 11 are that cold stays cold and does not change, where as trying to adjust them warm the first are in spec. and by the time you get to the last set they are back to being close 7 & 11 cause they have cooled off more than the first set. Add in the ouchies from touching hot motor parts, swear words that your kids will repeat to their teacher and I will adjust them cold and live with the noise that they have had for well over 200k since I bought it w/ 62k on it.
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Old 03-26-2007, 12:21 PM   #7
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89dlx, thanks for the info on the valve cover TQ rating... I could never find that in the FSM and so I think I have mine on about twice as tight as they need to be... time to get some new gaskets!!!
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Old 03-26-2007, 02:37 PM   #8
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OK, just got home from work. I adjusted my idle speed, set my timing, and adjusted my valves.
After the truck was at operating temp, I pulled the valve cover and set my tolerances as such:
Intake .006
Exhaust .010

Someone I know told me to use these measurements, because he said they always made noise using factory specs.

Forgot to add, ITS QUIET.

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Old 03-26-2007, 03:44 PM   #9
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89dlx, thanks for the info on the valve cover TQ rating... I could never find that in the FSM and so I think I have mine on about twice as tight as they need to be... time to get some new gaskets!!!
you'd have to really really overtorque it to do damage to the gasket. If the rockers arent tapping the cover inside the valve cover, and it isnt leaking it should be fine.

you're welcome to do 'em cold if you want. i'm just relating my experience with the valve adjustment job

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Old 03-26-2007, 03:53 PM   #10
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If you overtorque the valve cover (like every 20R, 22R, 22RE I've seen) there is a chance that you'll distort the rocker shafts which will mess up your valve adjustments.
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Old 03-26-2007, 06:40 PM   #11
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Quote:
Originally Posted by 89dlx View Post
OK, just got home from work. I adjusted my idle speed, set my timing, and adjusted my valves.
After the truck was at operating temp, I pulled the valve cover and set my tolerances as such:
Intake .006
Exhaust .010

Someone I know told me to use these measurements, because he said they always made noise using factory specs.

Forgot to add, ITS QUIET.
well, thats nice that it quiets it up, but i don't think i'd want to go the too-tight path...i've read and been told by many people to just accept the noise, and that the only real danger dealing with valve clearances is setting them too tight. a friend of mine has been working on his 22re for 22 years now...he told me that its pretty common for used car dealerships and such to set them too tight, or set all of them to .08 (exhaust as well), to quiet them down, he said its not a good thing at all. his went for 800k miles and he adjusted the valves religiously, so i'll take his word for it

anyone else feel free to throw in your input

but its interesting to hear that some of them are dead quiet and others sound like diesels
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Old 03-28-2007, 03:09 PM   #12
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I think that a lot of people think the noise is rockers but it is actually the timing chain banging around. I think 22re's are the best engines ever made except for the timing chain tensioners. They are crap.
I think that .06 is a bit tighter then I would go. I go 8 and 11 with minimal noise. I would rather have a bit of noise then not having a valve closing all the way wasting gas and power. I have almost 400k km on my 22re and I hear the injectors more then anything at idle. When revved up I can hear the rockers a bit but I think that is normal. There is clearance there, so you will always have noise is the way I look at it. If not your cam will not last long.
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Old 10-05-2013, 02:02 PM   #13
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My 93 runs perfectly, idles perfectly , and when warm makes no noise. When I start the engine I get that mechanical chatter that sounds a lot like a lifter tick. Oddly though.... after a mile or two it goes away and goes back to a smooth engine hum on acceleration.
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