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EA81 Timing Belts??


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21 replies to this topic

#1 dave833

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Posted 16 October 2003 - 07:08 AM

Another post mentioned in passing that EA81 engines don't have timing belts. Is this true?? Can somebody confirm this?? I've had a number of 80-84 Subes with EA81 engines and while I've never changed a timing belt on one (or paid anyone else to), I always thought I was driving on borrowed time until one broke on me! Do they have timing gears instead? What's the deal?

#2 brus brother

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Posted 16 October 2003 - 07:29 AM

I had an 84 GL and was told it didn't have a belt. Junked the car at 145K miles without ever changing much besides the oil... and that infrequently.

#3 Meeky Moose

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Posted 16 October 2003 - 07:39 AM

EA81's do not have timing belts, they have timing gears. which will generally outlast several engine rebuilds...

#4 toybuilder

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Posted 16 October 2003 - 07:39 AM

No timing belts on an ea81.

#5 AKIRA

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Posted 16 October 2003 - 11:17 AM

No Belts, just Gears, lasts long time, just like said above.

#6 Qman

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Posted 16 October 2003 - 11:48 AM

It's a direct drive gear set. Crank has one gear and the cam has one gear. No floaters or any other wear out items.

145K, ouch, how could you do that to a baby ;)

#7 GeneralDisorder

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Posted 16 October 2003 - 02:14 PM

It's a pushrod engine, and thus has no need of belts to rotate the cam, since the cam is located right next to the crank.

GD

#8 tailgatewagon

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Posted 16 October 2003 - 03:04 PM

not tbelts,
ive seen some motors apart that had 300k on them and the timing gears were still within factory specks....

145k. boy that motors should have been almost new..

#9 TheSubaruJunkie

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Posted 16 October 2003 - 04:11 PM

145K, thats just barely broken in. No need to worry about the valve timing on any EA81, even with 300,000 miles, your valves should be timed the same as factory spec's.

EA82's on the other hand have OHC's with 2 timing belts.

-Brian

#10 brus brother

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Posted 17 October 2003 - 04:13 AM

Boy it hurts to be accused of infanticide! Actually the car kissed a highway divider in a snowstorm (2WD) and the car WAS still running a year later when I donated it to one of those "Donate your car so we can find a home for a blind cat" charities. It was long before I discovered the grease wheeling, mud schlogging, head banging world of the USMB site. Moosens lives close by and already has dibs when the time comes to take my 90 Loyale into the "afterlife". I have begun to lock the car knowing that he covets certain items! You always hope that the organ donor card thing has a clause that says "AFTER my death, then and only then, take what you want"!!
So now the real question.
Riddle me this Batman...
So why did SOA change from a non-maintenance item (timing gear) that would seemingly last forever and never enter the realm of the dreaded interference engine mishaps with broken/jumped timing belts destroying engines etc. in favor of the belted system?

#11 subarubrat

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Posted 17 October 2003 - 04:33 AM

"progress"

#12 GeneralDisorder

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Posted 17 October 2003 - 04:52 AM

most (not all) subaru engines with timing belts are still non-interferance...... the EA82 is one of them.

GD

#13 dave833

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Posted 17 October 2003 - 05:32 AM

This is all good to know! I got the '84 EA81 last July with about 141K on the odometer- paid $210 for it. (It's a GL 2D Coupe) Nice to know the timing will last forever even as the body rots away thanks to salted Utah roads. I bought my '90 Loyale Turbo AWD EA82 with 129k at a charity auction for $150. Guess I'll have to decide now whether I want to put a timing belt in it.

#14 Skip

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Posted 17 October 2003 - 05:39 AM

Dave, please read Brian's(a.k.a. Suby Junkie) last post.
It has two belts.

If you do decide on doing the belt job, there are a few other items you would be well advised to change while you are in there.
The EA82T in the Loyale is a somewhat different beast than your ol' reliable EA81
If you plan on keeping her, a FSM should be on your shopping list

#15 calebz

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Posted 17 October 2003 - 08:23 AM

And if you decide not to keep it, let me know.. I always wanted a turbo Loyale.

#16 dave833

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Posted 17 October 2003 - 12:38 PM

Apparently my EA82T Loyale AWD wagon is sorta rare- I didn't know that when I bought it. Unfortunately(?), it's got the 4EAT auto tranny instead of a 5 speed, but I don't really mind driving it that way for the time being. It's probably even more rare with the 4EAT than it would be with a manual tranny anyway. I'll have to say it's the funnest $150 car I've ever had.

I do have a FSM for '85 EA82 which seems to cover most of what I need. Fortunately, I've found this board which should help cover any other problems.

#17 Adam N.D.J.

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Posted 17 October 2003 - 01:05 PM

The engine from the EA81 back have the timing gear setup. The gears are on the back of the motor, behind the bellhouseing. Here is a pic for ya'll.
Posted Image

it's not all that great, but you can get a good idea of it.

#18 subiemech85

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Posted 09 January 2004 - 11:57 PM

please don't make it so hard to find next time you refer to a pic.
http://www.geocities...04/phantom.html

#19 Turbone

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Posted 10 January 2004 - 12:02 AM

What, it took you 3 months to find it?:D
Rob

#20 XSNRG

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Posted 10 January 2004 - 10:29 AM

:lol:

#21 calebz

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Posted 10 January 2004 - 02:17 PM

Sure hope it was worth it..:D

#22 subiemech85

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Posted 11 January 2004 - 11:17 PM

but saw a lot of stuff I want to do "mud"
just a bit of scorn for not providing a link to the page
consider it a long time bump




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