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  #1  
Old 10-11-2010, 11:00 AM
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Default Valve train noise?

89 245 DL, 220k miles- she has developed what sounds like vlave noise. Usually notice it at startup, usually goes away once warmed up. Like a faint clattery-clattery sound. (easy to diagnose over the internet, eh?) What does "sticking valve" mean anyway, and what might I do? Any way to free up a "sticking valve", or does that mean a head rebuild. Seems to run fine, I'm just worried about this being something serious. Thanks! Dave
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Old 10-11-2010, 01:50 PM
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Hey, internet diagnosis is fool proof! Didn't you know? LOL. B230's were originally equipped with valve hushers, hard rubber caps that fit over the end of the valve stems. In time they disintegrate and the valves make a little bit of noise. If that's all that's happened, it's no big deal. To free up sticky valves, there are any number of additives sold purporting to do that. My all time favorite is using transmission fluid poured down the carburetor. On an FI motor, I pull the big vac hose off the brake booster and let the hose "sip" tranny fluid. This is not a professional fix, and is something I only do on my own cars...and I've only had to do it once or twice on an FI car. It's possible your cam has wear as well as the cam shims underneath. You could pull the valve cover and measure clearances. Iirc, cold it should be .014 to .016. Pretty simple to do and may give you a little peace of mind.
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Old 10-12-2010, 11:11 AM
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Default valves

Swift- I think we messeged about those Virgo rims last week. Pie in the Sky really, never seem to have an extra 200 bucks (plus the cost for a new set of tires!) But I will keep my eyes open.

might pull the valve cover give a look, never checked valve clearances on this engine. I did discover my #1 spark plug was loose last night! I still hear a little valve noise though. How tough is it to change those little rubber caps?

She runs very good for 21yrs and 220k miles, but I'd like to hush these valves a bit. Dave
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Old 10-12-2010, 02:17 PM
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Well, if you don't have the proper tools, it can be a pita. Few people take the effort solely to swap in hushers...and lots of people purposefully leave them out when doing head work. They are a nicety more than anything. I would suspect that your cam lobes and shims have a bit of wear and the lash is off. Shimming will fix it unless the cam is shot.
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Old 10-13-2010, 08:29 AM
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Default valves

Swift- Hmmm, I was sort of hoping for a pour in repair. Whats involved in "shimming"? I dont really mind the valve noise- barely noticable really, just dont want to do any permanant damage. D
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Old 10-13-2010, 11:36 AM
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Well, if ya have to ask...ya probably don't want to tackle it! If it's that minimal, maybe just add a can of STP at the next change.
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Old 10-13-2010, 05:40 PM
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If you have ever adjusted the valves on just about anything it should not be that big of a deal for you.

IPD Volvo sells a shim removal tool and most manual's that I have looked at give detailed instructions on how to measure and adjust the valve clearence.

Basically you remove the remove the spark plugs and valve cover. Find TDC on #1. If one of the valves need to be adjusted you take the tool which pushes down on the side of the shim bucket and depresses the valve enough to take a pick to pop the shim out of the bucket and pick it up with a magnetic tool. Turn the engine 180 degree's and adjust the #3 valves. Turn the engine 180 degrees and do the #4 valve then again turn the motor 180 degree's and adjust the #2 valves.

I have not done it yet but the guys car who I am working on has ordered the tool from iPd along with "renting" a box with the shims.

You pay 250.00 for the shim box and when you return it they give you back 210.00 making it cost 40.00 dollars. The tool itself is 37.94 dollars. See below link.

http://www.ipdusa.com/product.asp?st...hStartRecord=1

You might want to check the valves before spending the money on the tool or renting the shim box. You can also buy individal shims from a Volvo dealership.

I don't see how but in the description they state that you will be charged if more than 8 shims are missing. So it sounds like you can keep 8 of the shims. If you are smart about what shims you keep it should get you through another adjustment without having to get the box for iPd again.

My experience with motorcycles that have the bucket and shim setup is that it really does not get much easier to adjust the valves.

Last edited by Hookem; 10-13-2010 at 05:52 PM. Reason: tyop
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  #8  
Old 10-13-2010, 09:01 PM
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Well, the IPD setup is swell for folks who can have $250 tied up for a couple of weeks. Yup, they allow you to use up to 8 shims...which never happens. If you measure your clearances prior to digging into it and write them down and, knowing your clearances should be .014 to .016, you can do the math to see what size shim you need. Typically, you can swap shims around and you only need 2-3 new ones. And, I've had motors that needed none..just flipped 2. You really don't need the tool at all. I measure my clearances, pull the cam, swap shims and re-install the cam. If you are replacing the valve hushers, then you will need to pull the cam, install hushers, replace cam, measure and pull cam to replace shims most likely as they affect the clearances.
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  #9  
Old 10-15-2010, 11:05 AM
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Default Valves

Someone told me that my 89 240 might have hydrolic lifters- thereby having no adjustment. That doesnt sound right according to everything I've read.
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Old 10-15-2010, 04:44 PM
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if swift is telling you about the shims then rest assured that your do not have hydrolic lifters, he would know hense all the info one it he just gave you.
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Old 10-15-2010, 04:44 PM
 
 
 
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240, b230, brake, cam, clearance, fir, fluid, noise, noisy, shim, swap, train, valve, valves, volvo


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