1996 Misfire, Stumbling, and Knocking
#11
11-02-2009, 09:12 PM
If you are going to take the valve covers off, what do you look for?
I don't think I'd recognise a stuck spring or lifter.
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I don't think I'd recognise a stuck spring or lifter.
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Last edited by cranky; 09-11-2011 at 01:01 AM.
#12
11-02-2009, 09:25 PM
Unless it is really bad you may not necessarily be able to see something like that just by removing the valve covers. You would need to remove the rocker shaft and then remove the cylinder heads themselves and rebuild them inspecting each valve individually. What you can see would be sludge deposits or excess varnish build up on the valves. Looking under the rocker covers can give you a general idea of the overall health of your engine as far as deposits go.
Last edited by lipadj46; 11-02-2009 at 09:50 PM.
#13
11-02-2009, 09:29 PM
#14
11-02-2009, 09:36 PM
You probably would not necessarily be able to see something like that just by removing the valve covers. You would need to remove the rocker shaft and then remove the cylinder heads themselves and rebuild them inspecting each valve individually. What you can see would be sludge deposits or excess varnish build up on the valves. Looking under the rocker covers can give you a general idea of the overall health of your engine as far as deposits go.
I've got a tick and I'm impatient - I've put a cleaner in but it's going to take time.
So I guess taking the covers off isn't going to tell me anything.
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HARMED BY NEXIUM
Last edited by cranky; 09-11-2011 at 01:01 AM.
#15
11-02-2009, 09:40 PM
it is on the Left side (your drivers side) so I've got to remove all the air intake?
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Last edited by cranky; 09-11-2011 at 01:01 AM.
#17
11-02-2009, 10:20 PM
Last edited by cranky; 09-11-2011 at 01:01 AM.
#18
11-02-2009, 11:17 PM
Um, he has a '96 DI. All he needs to do to remove the valve covers is remove the four 8mm bolts. It'll take 5 minutes to remove the cover. Start the engine as normal, and look to see if one of the valves doesn't seem to be functioning like all the rest. It'll take less than a minute, and there will be about a table spoon of oil that'll splash about.
If there is oil pooled up at the rear of the head, then the oil channels are clogged.
If there is oil pooled up at the rear of the head, then the oil channels are clogged.
Last edited by Suede; 11-02-2009 at 11:19 PM.
#19
11-03-2009, 12:46 AM
Um, he has a '96 DI. All he needs to do to remove the valve covers is remove the four 8mm bolts. It'll take 5 minutes to remove the cover. Start the engine as normal, and look to see if one of the valves doesn't seem to be functioning like all the rest. It'll take less than a minute, and there will be about a table spoon of oil that'll splash about.
If there is oil pooled up at the rear of the head, then the oil channels are clogged.
If there is oil pooled up at the rear of the head, then the oil channels are clogged.
I sort hijacked the thread a bit, the original poster (tunernewb92) has the '96. I've got a '94. Anyway I would have thought they'ed be the same/similar in the IM size and position.
I've got a similar issue of a tick or knock so I thought I'd chime in - sorry for any confusion.
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Last edited by cranky; 09-11-2011 at 01:01 AM.
#20
11-03-2009, 07:03 PM
On a DI you dont have to remove the intake manifold, you will need to loosen the fuel and heater lines on the right side of the engine to remove that one.
But running a engine with the valve covers off will be alittle messy but not by much.
Back in the old days that is what you had to do to adjust the rocker arms before self adjusting lifters.
You removed the valve cover, started the engine and with it idling you used a feeler gauge and snugged up your rocker arms until they were where they were supposed to be.
But running a engine with the valve covers off will be alittle messy but not by much.
Back in the old days that is what you had to do to adjust the rocker arms before self adjusting lifters.
You removed the valve cover, started the engine and with it idling you used a feeler gauge and snugged up your rocker arms until they were where they were supposed to be.