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Old 01-03-2009, 02:24 AM   #1
96GreenLX
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Member#: 60073
Join Date: Apr 2004
Vehicle:
1996 Impreza LX
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Unhappy 96 Impreza EJ22E non-interference or intereference

Well the subject says it but I've been working on my car because of a bent woodruff key (the key for the crankshaft and it's pulley and sprocket) and when trying to put the belt on the camshaft pulleys moved, one moved to a quarter rotation. So in order to re-align the timing marks I had to move it clockwise to TDC again. What I'm wonder and I get mixed views on is if the 96 Imreza's 2.2 interference or non-interference? What throws me off is many say if the 2.2 has single port exhaust it's sadly going to be an interference motor (mine is single port), however other sources claim that it wasn't until 97 and on that Subaru changed the engine which caused it to be an interference engine. So did I bend some valves, am I fine, or do I somehow have a 97 and up motor with bent valves now?

Thanks in advance for any inputs on this as I want to clear up the confusion! Oh and I striped the engine block for the idler tensioner pulley bolt, any tips on how to heli-coil that without fubaring the engine unless it's already fubar?

Is there a sticky by the way for making sure to check your crankshaft pulley bolt is torqued down good enough? Seems to be a common problem as the junk yard had like 10 subaru's and I grabbed the last crankshaft pulley. Anyway everyone should maybe give theirs' a look!
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Old 01-03-2009, 07:30 AM   #2
ballitch
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Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

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I have a hunch that the only single port head that is non-interference are the ones that have HLA's. If you take of the oil filler tube (thingy you pour oil into when you change your oil) off, and see just rocker arms, then the heads are HLA. If you see a nut, and a place to put a flat head screwdriver, then you have the screw type lash adjusters.

Hopefully someone else will either back me up on this hunch, or tell me I dont know what i'm talking about.


As far as the threads that your stripped. That section actually can be removed, and you can swap in a new bracket, only takes like 3 bolts and it comes off. You can swap it for a junkyard one, without a stripped hole.



~Josh~
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Old 01-03-2009, 09:14 AM   #3
96GreenLX
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1996 Impreza LX
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Guess I'll have to give that a try, had to take that tube off once because that O-ring went bad lol can't remember what it looked like in the valve cover though. If anyone else has a way to know for sure or idea, let me hear it.

That is actually a removable bracket? It looked like I would at first have to replace that part of the engine, until I discovered heli-coils which I plan on trying first as it seems straight forward but I'll have to wait and see on that. Thanks for the help!
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Old 01-03-2009, 01:06 PM   #4
96GreenLX
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Big thanks Ballitch (lol) that part being a bracket made it so easy to heli-coil it! Now I have the timing belt back on with the spec torque on that pulley's bolt.
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