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03-25-2012, 12:27 AM | #1 |
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Valves adjusted at 27k
Just had my valves adjusted by Kaiv (Kevin). Great guy, super great rates. He brought all tools and shim kit, gave me a valve clearance checksheet, and checked my vanos bolts/hubs. He didn't mind me taking pictures as he worked either
5 valves needed adjusting, he reused two. Inside the engine. Looks great: RTV here, it was open before. Vanos hub side 1: Vanos hub side 2: Shim screen. Apparently these weren't here on early motors: Spec sheet provided by Kevin: Spark plugs. Perfect color: All buttoned back up: |
03-25-2012, 12:44 AM | #2 |
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Awesome...thanks for sharing. I've heard great things about Kevin and sounds like he's a specialist at this I will definitely be calling Kevin to do my adjustment as well later on this year (about 8k miles to go)!
Did you change out the plugs as well? Where did you get your transmission and diff fluids done? |
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03-25-2012, 01:20 AM | #3 |
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Shim "screen" what a novel concept!
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03-25-2012, 07:51 AM | #4 |
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Wow, that engine is super clean! Glad to hear no issues with the vanos. It was a big relief when I did mine, being able to see my tabs were intact.
Did you RTV the rear half moons? When I did my 07 MC, I didn't see any RTV around there so I didn't add any (unlike what the TIS says). So far I've had no leaks. |
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03-25-2012, 12:24 PM | #5 |
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No on the plugs, the interval is 60k so I'm sticking with that.
I got the diff and Trans fluids changed at 17k miles at bullet performance. They use redline, you can ask them to use OEM fluids. Since mine is under warranty, I just went with the redline since I didn't want to deal with getting oem at crevier. I think I will try oem next time (45k) and see if it feels any different. Yes, he RTVd the half moons. Interesting to note, all the shims that needed adjusting needed to be replaced with smaller shims. Does that mean the lifter or valve stem grows over time? |
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03-25-2012, 11:04 PM | #6 | |
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03-26-2012, 10:53 AM | #7 |
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Now that I think of it, we didn't RTV the half moons. Only the front seams.
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03-26-2012, 11:17 AM | #8 |
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It is rare for leaks in the rear, pick up a small mirror and check is once in a while, if you feel or see oil (usually where the half moon transitions to the flat surface, it's a sharp area, then you'll know the rtv was needed. Was your gasket semi-oily when it arrived in the kit? I found my gasket pretty oily and cleaned it with dawn before putting it on the cleaned head surface.
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03-26-2012, 11:36 AM | #9 | |
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I'll be checking for leaks at the rear in maybe 1k miles... |
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03-26-2012, 01:51 PM | #10 |
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Glad to see your hub is okay. If I recall correctly TIS suggests to RTV the half moons.
Have you ever changed those cam bolts?
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03-26-2012, 04:10 PM | #12 | |
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Anyway, I will most likely open the engine and do the cam gear test at some point between now and the next inspection. Maybe during the next oil change. |
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03-26-2012, 05:23 PM | #13 | |
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03-26-2012, 05:23 PM | #14 | |
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03-26-2012, 06:05 PM | #15 |
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I stand corrected.
I will keep an eye on the cam gear regardless. Maybe I'll just replace the bolts next time I am doing a valve adjustment. |
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03-26-2012, 06:18 PM | #16 |
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If your valves streached or wore enough seat of to require smaller shims at 27K you have bigger issues going on! You will not even need at shim at 100k at that rate. Post a close up of them spec shet and did you check any clearences yourself? A loose motor is not a happy motor.
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03-26-2012, 06:29 PM | #17 |
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Maybe I'm missing something; however, I was of the understanding that both inspecting and replacing the bolts required removal of the vanos unit itself? Not simply done while doing the valve work.
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03-27-2012, 08:21 AM | #18 |
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03-27-2012, 09:17 AM | #19 | |
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Here is a shot of the suspect bolts from when I did mine. Notice the missing VANOS and CAM Covers. My replacement thread: http://www.zpost.com/forums/showthread.php?t=407826 Sorry not trying to thread jack Last edited by Blind32; 03-27-2012 at 09:41 AM.. |
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03-27-2012, 11:28 AM | #20 | |
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2.26 -> 2.24 (2.26 is not standard, but the micrometer measured it at that) 2.36 -> 2.32 2.32 -> 2.28 2.32 -> 2.28 2.36 -> 2.32 Yes, I verified all clearances before and after the shims were replaced. We did not document what shims were there for the valves that did not need to be adjusted...since they didn't need adjustment. The shim sizes go from 2.60 down to 1.72 in .04 increments, I doubt I'll run out of sizes by 100k. |
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03-27-2012, 11:29 AM | #21 |
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I was simply saying I'll be pulling the vanos off next time I am in there.
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03-27-2012, 11:46 AM | #22 |
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So a min spec shim would not fit into those valves? I find it hard to believe it would ever need a reduction in overall shim size. My car with 65k miles I put 6 bigger shims in and would of put another 10 bigger shims in if they came half stepped. I was after min spec on every valve.
It is an interferance motor so if you drove it to get the adjustment done they were a good spec right? I am confused I guess at what measurments you took to determine they needed to be reduced in size. |
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