| [ Total Views: 1028 | Total Replies: 3 | Thread Id: 64117 ] |
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 PKMEB
Learner Dubber
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| posted on August 3rd, 2007 at 07:36 AM |
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subaru engine noise
I have just finished fitting a 1.8 into a beetle; trouble is the engine is clattering badly - sounds like tappets or valve lifters as they are known
in the USA.
I also have a 2.2 which I bought to replace the 1.8 once the transplant was finished - this also suffers from noisy lifters.
What is it with these engines, do they all rattle? Is this a common problem and if so what is the cure? |
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Baja Wes
Bishop of Volkswagenism
V6 Baja Pioneer
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| posted on August 3rd, 2007 at 08:51 AM |
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Suby's often suffer piston slap when cold, but shouldn't do it hot.
They also suffer noisy lifters, seemingly more so than other engines.
Noisy lifters can be caused by a life of crap oil. If you pop off a valve cover and things look black then it's had crap oil. It will have sludge
through-out the motor that tends to block up the fine oil pathways in the lifters and makes them noisy or collapse completely.
On my V6 it had noisy lifters to start with, when I used 20W50 oil in it. I looked around the MX6 forums and they all said to run 5W30 synthetic. I
made the change and the noisy lifters went away. Sometimes I get 1 noisy lifter when the engine is cold, and that's usually when it's about time to
change the oil again.
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pete wood
A.k.a.: figure itout
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| posted on August 3rd, 2007 at 09:59 AM |
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i'd put an oil rinse through it first. this is spose to be done as per the usual servicing but often is not. it helps a lot. I also made the same
mistake as Wes by putting 20W50 in my EJ25. The result was noisy lifters. EJs are spose to use 15w40. That fixed the lifters in
seconds. I'm using a semi synthetic at the mo. I've been told that the turbo engines can even use 10W30 for a bit more power I understand, although
you'd want to use a fully synthentic for oil that thin.
[ Edited on 3-8-07 by pete wood ]
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ElusiveStranger
Officially Full-On Dubber
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| posted on August 4th, 2007 at 11:10 AM |
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Maybe it has manual tappets?
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