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99 Impreza OBS water by-pass pipe
Posted 16 March 2010 - 10:14 PM
I figure I will have to remove the A/C compressor or at least move it out of the way. I need a new A/C Compressor so maybe I should do that as well. haha... Will the by-pass pipe feed through under intake manifold? (finger crossed)
I recently (last summer) rebuilt the two top halfs (sides:brow:) of the engine and replaced a ton of parts, of course this by-pass pipe was not one of them.
Posted 17 March 2010 - 07:08 AM
I'd pull the intake as its easy and it will give you open access to change the pipe. I doubt you'd get it out without pulling the intake.
I have good rust free ones if you need it. $40 shipped.
Posted 17 March 2010 - 07:16 AM
Posted 17 March 2010 - 07:28 PM
Posted 15 April 2010 - 05:59 AM
Over all not as bad as taking the entire engine apart but for that stupid pipe to get a pin-hole in it right where they welded on the bracket to hold the pipe down is "BAD" engineering. It's also in a place where you can't really rig it but actually have to replace the pipe.
I will have to make a list of what I recommend to replace when you yank your engine to do a head job but I don't have hours right now to complete that list
Posted 15 April 2010 - 09:57 AM
I also loosed the water pipe which crossed over the engine from the passenger side to driver side.
I hope you replaced the O-rings that seal the crossover pipe.
It's my opinion that the o-rings on that pipe should be changed out anytime the intake is off. Definately anytime headgaskets are done. But people overlook them all the time, because they don't have to come out to remove the heads........though they should.
If you didn't replace the o-rings there it will leak......likely as steam so you won't see it real well.
Posted 16 April 2010 - 09:48 PM
I did have some problem though, it seems those cheap CHINA hose clamps didn't hold for the hose going from the intake down to the by-pass pipe. It ended up leaking pretty bad after a week or so... I ended up going and buying some "real" clamps and they are working like a charm. The top of the engine is dry, I checked today, so hopefully I will not have to take the intake back off and reseal the water pipe
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