| [ Total Views: 611 | Total Replies: 17 | Thread Id: 46675 ] |
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 jo_tas
A.k.a.: Josie McLean
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| posted on December 5th, 2005 at 04:04 PM |
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Rattley Tappets?
Hi all
I did my tappets a week or so ago (at .006 intake .007 on exhuast)
This seems to have made the tappets quite loud, i can hear them tapping away quite loudly from inside the car at idle..
Is this ok? Is it going to do any damage?
It seems to be running OK..
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jo_tas
A.k.a.: Josie McLean
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| posted on December 5th, 2005 at 04:04 PM |
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Oh, and yes i double checked them a few days later...
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PurpleT3
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| posted on December 5th, 2005 at 04:16 PM |
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Lets get the obvious out of the way first. Did you set the tappets with the engine stone cold?
Noisy tappets are unlikely to do damage as it generally means they are loose. Tight tappets will do damage. Are they noisy when hot or only when
cold?
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Menangler
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| posted on December 5th, 2005 at 04:26 PM |
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I always set mine to 004, inlet and exhaust, and check them every 3000 miles. nice and quiet.
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jo_tas
A.k.a.: Josie McLean
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| posted on December 5th, 2005 at 08:58 PM |
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yes i did them when the engine was cold, hadn't started the engine since the day before.
They seem to rattle all the time.
Isn't .004 a bit tight?
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Anthiron
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| posted on December 5th, 2005 at 09:48 PM |
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.004 was recomended by VW in the early years and would give u minute advantage but was wearing valves away earlier. so then they switched to .006 i
was under the impression that it was .006 for both e4xhaust and inlet
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shiftyvw
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| posted on December 5th, 2005 at 10:01 PM |
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check yout tappet screws are still ok, and not worn out where they touch the valve, they are hard to feel a proper gap and adjust when they are badly
worn.
testing 1 2 3...
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jo_tas
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| posted on December 6th, 2005 at 08:55 AM |
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Thanks..
It seems everyone has their own opinion of what the tappets should be set at... *Sigh*
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MickH
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| posted on December 6th, 2005 at 08:58 AM |
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| Quote: | Originally
posted by Anthiron
.004 was recomended by VW in the early years and would give u minute advantage but was wearing valves away earlier. so then they switched to .006 i
was under the impression that it was .006 for both e4xhaust and inlet
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Both inlet and exhaust should be set to .006:thumb.
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ancientbugger
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| posted on December 6th, 2005 at 06:15 PM |
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Remember though "A tappy tappet is a happy tappet!".............Told to me years ago, mind you I would replace "happy" with "bloody annoying"
LOL
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shiftyvw
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| posted on December 6th, 2005 at 06:42 PM |
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Just a thought, your motor is standard or hotted up? if you have steel pushrods in there they need to be set very tight when cold, or they will rattle
a lot when the motor warms up.
testing 1 2 3...
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jo_tas
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| posted on December 6th, 2005 at 07:45 PM |
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Yes, its a stock motor..
And noisy tappets are annoying.. even if it is good for the engine... it sounds terrible :cussing
I might re-do them at .006 for all
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Grey 57
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| posted on December 6th, 2005 at 10:04 PM |
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.006 all round is the best compromise. Pretty sure that VW went to .004 for a few years then back to .006 because of clearance issues when hot caused
burned valves at .004. The valve stems and the push rods all grow when the motor is hot. Personally I have always set mine to .006. Some will aways
rattle a little bit when hot probably due to ever so slight variations in the gap depending on how tired you are when doing the last ones, how easy it
is to get to etc. How are doing the adjustment. The remember where the right place is when tightening down the adjuster lock nut method or the trap
the feeler guage under the adjuster and back off a tiny bit before you lock it down method??
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tonyktm
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| posted on December 7th, 2005 at 02:14 AM |
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the difference in the setting is dictated by the boss that supports the rocker shaft assemby. late model ones have a square boss and early have round.
late should be set to 4 thou
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VWCOOL
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| posted on December 7th, 2005 at 09:14 AM |
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Inches or millimeters
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jo_tas
A.k.a.: Josie McLean
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| posted on December 7th, 2005 at 01:59 PM |
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| Quote: | Originally
posted by tonyktm
the difference in the setting is dictated by the boss that supports the rocker shaft assemby. late model ones have a square boss and early have round.
late should be set to 4 thou
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Well thats interesting... still not sure if i'd want to set them at .004 though... can't afford new valves if it stuffs them.
I tighten the lock nut while holding the screwdriver in the screw to make sure it doesn't move... which it doesn't.
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67_on_its_guts
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| posted on December 8th, 2005 at 04:40 PM |
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Jo
Check out this article about tappet adjustment
http://vwtrendsweb.com/tech/0106vwt_valve/
Page 101 of my "Idiot Book, about keeping Volkswagens Alive" reckons .006" for both intake and exhaust valves.........something about preventing
burned valves.
Just my two bobs worth
Cheers
Rob:thumb
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jo_tas
A.k.a.: Josie McLean
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| posted on December 8th, 2005 at 09:12 PM |
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| Quote: | Originally
posted by 67_on_its_guts
Jo
Check out this article about tappet adjustment
http://vwtrendsweb.com/tech/0106vwt_valve/
Page 101 of my "Idiot Book, about keeping Volkswagens Alive" reckons .006" for both intake and exhaust valves.........something about preventing
burned valves.
Just my two bobs worth
Cheers
Rob:thumb
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Thanks, i have the john muir book...great read! :kiss
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