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Loud engine ticking started suddenly?
Posted 03 May 2011 - 10:50 PM
I was wondering is it out of the ordinary for the noise to SUDDENLY start out of the blue with no prior warning? Does this point towards a bad oil pump or a stuck lifter? Any help would assist me in going forward with the right repair. I had planned to do timming belts soon as well as all the seals and the water pump. Should I replace the pump or just re-seal. The right valve cover leaks oil so I will replace it also. Is there anything to inspect under the cover to assist in diagnosing the root cause of the sudden lack of quietness?
Posted 03 May 2011 - 11:02 PM
Inspect for oil leaks. The oil pump has an o-ring shaped like a 'mickey mouse', and the 'ears' can get sucked in like a pac man shape, and aerate the oil causing the lifters to collapse. This is more an annoyance issue than a mechanical issue. But, if you got dirty oil, and they go on forever, the lifters will just be done for as the contaminates hog out the tolerances.
do searches for the words 'oil pump' and 'cam tower o-ring'.
Service is rather simple on these cars, but in their own peculiar own way, being unconventional in platform.
Posted 04 May 2011 - 06:55 AM
if i positively have sticking HLA's, then i add a quart or two of ATF to the oil and run that a day or week....just depends.
if it's only one HLA then oil pump seals or replacing the oil pump won't likely fix it. that only works if the oil pump seals or pump itself is the cause.
Posted 04 May 2011 - 08:53 AM
This is the same thing I speculated. I added some seafoam today and it seemed to all but go away this morning but came back as the oil warmed up. I suspect it just began on one side but will shortly move to the other side. I believe my oil pump might have sucked in its "now pacman like" seal. If I listen to this and it is true, should I get all the pump seals from the dealer?
Posted 04 May 2011 - 09:11 AM
sometimes a reseal doesn't work, but replacing the oil pump will.
some folks would rather be done with it and just install a new oil pump with new seals.
you'll have to decide which way works best for you.
Posted 05 May 2011 - 11:51 AM
I drove for 50 or so miles and the seafoam in the oil must have fixed it. I still don't understand why it started so suddenly and loud but at least its gone now. And the sudden onset is primarily why I posted a new thread on this already exhausted issue. I appreciate Gary reassuring my thoughts that if its just on one side its probably not the oil pump. Now I need to install the mechanical oil pressure gauge to see what I really have.
Posted 05 May 2011 - 12:08 PM
Posted 05 May 2011 - 12:25 PM
NO on the RTV
Posted 05 May 2011 - 01:16 PM
the owners manuals, from Subaru, states that "low" or near zero oil pressure is normal for operating temperature readings on the stock gauges.
Now I need to install the mechanical oil pressure gauge to see what I really have.
wonder what those with aftermarket gauges show when up to operating temp?
Edited by grossgary, 05 May 2011 - 01:31 PM.
Posted 05 May 2011 - 03:14 PM
I should know this weekend what the "true" oil pressure is when I have near "zero" reading on the stock gauge while temp and idle.
Posted 06 May 2011 - 01:33 PM
Posted 06 May 2011 - 03:10 PM
Have seen someone reseal an oilpan using too much RTV and when it flaked off inside the pan, it got sucked up onto the pickup screen and starved the engine of oil...
Posted 06 May 2011 - 04:16 PM
Most likely if you did all that stuff the ticking would go away, but not definitely.
Posted 06 May 2011 - 05:35 PM
Well.. before it was on the driver side. (The ticking) Now it has moved to the other side... So i would guess that it is plugged oil gallies ?
Probably not oil gallies but rather the lifters them selves. They clog easier due to there small internal orifices.
Posted 07 May 2011 - 05:16 PM
So anyway, does anyone know about what it would cost to redo all the gaskets and oil seals on this 1992 EA82 ? I am a college student and off for the summer after next week, and have time to work on my soobie. I am thinking i should replace... Oil pan gasket, valve cover gasket, oil filler tube gasket (I took this off the other day and the middle of the gasket was gone and flaking off into the engine !)..cam seals and crank seal, oil pump gasket, transmission pan gasket...rebuild or replace HLA's...
Wow.. what else ? This 300 dollar car is getting expensive..lol, but the body and interior are almost perfect, so it should be worth fixing the motor..
Posted 09 July 2011 - 10:26 PM
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The oil pump "Mickey Mouse Seal " was torn... I didn't find any surprises in the oil pan except a few flakes of GOLD! lol...
Just a question about the oil pan... Should I put some RTV on it before puting it back on ? I am thinking just on the bottom side? The old one was stuck like glue on the bottom side.. The top side wasn't stuck at all...
This is all going to be back together tomorrow.. then I will be ready to roll
Posted 10 July 2011 - 11:03 PM
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