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Old 02-08-2008, 11:14 PM   #1
farrell
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Join Date: Nov 2003
Location: east stroudsburg PA
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2000 Impreza 2.5 RS
silverhorn

Default pulling and putting an ej25 together-timing

ok, so im going to be asembling an engine tomorrow for a 00 rs. only thing i dont know how to do is set the timing. any tips or info? thank you!

also, when im swapping the engine (taking out old on and putting new engine in) is it easier to pull the trans out with the old engine and assemble it and put it in as 1 unit or leave the trans in and just pull the engine....
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Old 02-09-2008, 12:44 AM   #2
Storm
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If you don't have a manual, there are a few links to articles explaining how to do it. A search should bring up more than a few discussions as well.

I'd leave the trans in the car......less stuff to unbolt from underneath.

Jay Storm
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Old 02-09-2008, 10:19 PM   #3
ballitch
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Wrx Tranny,slowr than ish

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Definately leave the tranny in the car, you may think its just 8 or 10 more bolts to undo, but it is just a hassle. Timing is set via the stock ecu, assuming you have a stock ecu...and not some form of piggy-back or standalone engine management system.

I use a steel rectangular box tubing section positioned over the strut tower bolts, along with a section of chain, to hold the tranny up. This makes it easy to pull and re-install motor. Or you could just leave the jack there...but I only have 1 jack...




~Josh~
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Old 02-10-2008, 12:10 AM   #4
farrell
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silverhorn

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so all i have to do is but the belt on the car and the computer will do it all by its self??
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Old 02-10-2008, 07:19 AM   #5
Storm
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Quote:
Originally Posted by farrell View Post
so all i have to do is but the belt on the car and the computer will do it all by its self??
So long as you get the pulley marks lined up when you put the belt on. The ECU takes care of the spark and injector timing.

Jay Storm
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Old 02-10-2008, 05:47 PM   #6
my4isflat
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Legacy w/325k mi (RIP)

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To set cam timing all you have to do is make sure the timing marks on the crankshaft sprocket and cam gears are all pointing straight up and aligned with their appropriate timing marks on the block. The timing marks for the cams are on the backing plate for the timing cover and the timing mark for the crank is right by the crank position sensor.
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Old 02-10-2008, 07:34 PM   #7
Storm
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....and the timing mark for the crank pulley is the hashmark directly on one of the sensor "teeth" on the backside of the pulley.....NOT THE ARROW on the front of the pulley.

Jay Storm
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Old 02-10-2008, 11:56 PM   #8
Plays_With_toys
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So... what they're saying is, better invest in a manual that has diagrams before you thrash your new interference motor and have to replace it right away again.
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Old 02-11-2008, 03:32 PM   #9
Storm
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I wouldn't even consider doing it without a manual of some sort.....

Jay Storm
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Old 02-26-2008, 09:22 PM   #10
klix
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97 Legacy, SwapInProgress

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Quote:
Originally Posted by Storm View Post
....and the timing mark for the crank pulley is the hashmark directly on one of the sensor "teeth" on the backside of the pulley.....NOT THE ARROW on the front of the pulley.

Jay Storm
Then what is that arrow for anyway???
... I thought I killed my engine in a legacy
It starts and runs like new and then as it warms up it freaks out, throws a cam code... then forget about driving it.... scanner shows 15 to 47 degree timing advance

Guess i'm under the hood again tomorrow, hope its okay... if I damaged a valve it wouldn't run smooth at startup like it does would it?

it was a 97 SOHC california... did they still use the non-int 96 2.2???
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Old 02-26-2008, 11:24 PM   #11
Storm
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96L Most Over-
Developed Beater

Default

If you read the procedure in the FSM....the arrow is used to put the pistons in a safe spot for timing belt removal because one of the cams will spring off the lobes when you release the tensioner.
Quote:
Originally Posted by klix View Post
Then what is that arrow for anyway???
... I thought I killed my engine in a legacy
It starts and runs like new and then as it warms up it freaks out, throws a cam code... then forget about driving it.... scanner shows 15 to 47 degree timing advance

Guess i'm under the hood again tomorrow, hope its okay... if I damaged a valve it wouldn't run smooth at startup like it does would it?

it was a 97 SOHC california... did they still use the non-int 96 2.2???
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Old 02-27-2008, 12:19 AM   #12
klix
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Location: NorthShore, MA
Vehicle:
92 SVX, STG3 5MT
97 Legacy, SwapInProgress

Lightbulb

good to know... the shop computer listed no such step.

after reading through a bunch of really old threads involving "the arrow" i am feeling better about this. Looks like if it was interference I would have noticed when I hand-turned the engine, kinda sucks to have to do it again, but o well... I nearly had that new engine early.
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Old 02-28-2008, 07:37 PM   #13
klix
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Location: NorthShore, MA
Vehicle:
92 SVX, STG3 5MT
97 Legacy, SwapInProgress

Default ...fyi

I re-read the tech doc just to make sure I wasn't an idiot and it only mentions that the sprocket has a timing mark... it also clearly points to the front face of the sprocket ...so yeah, if you take your car to an independant shop make sure they know, cause they probably have the same "vague-enough-to-be-wrong" system

Anyway, for all that would like to know, the...
97 2.2 Cali. SOHC is non-interference
...or I'm the luckiest prick alive
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