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Everything posted by porcupine73
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I'm not completely sure but I think that might be your idle air control valve (IACV) intake hose. Is there anything down inside there? If not, i'd get 'er idling and give some shots of throttle body cleaner down that hose with engine running. There was a note on EndWrench about certain vehicles making a whistling noise if the iacv is dirty.
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You don't have to take the throttle body or anything off to get the knock sensor out. Yes just use a wobbler extension and maybe flex joint if needed. Not sure about the impreza, but on my legacies I can get my hand down in there by reaching in to the side of and below the throttle cables. For the front o2 sensor, really oem is the way to go. Order it from a Subaru dealer who sells parts online to save $ over going to the local dealer (unless they'll price match or happen to wholesale parts). Some earlier Subaru's the o2 sensors were Bosch, some are Denso. The way to get the right one with the connector for your vehicle is to get it from Subaru. Even though the parts store sensor might be made by the same manufacturer, it may not be the same specs. If you get a bosch generic, you'll have to cut the connector off your old sensor and solder the wires onto the new sensor. Also physically inspecting the o2 sensor isn't going to tell you a whole lot.
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OK. The oil in the spark plug holes is those seals. Four of these should be in your kit. When I put the valve covers back on, I got all the bolts in first, then eased up the torque in a couple of rounds. It takes a little bit to compress the new spark plug hole seals down. The valve cover bolt holes can handle a little overtorque. I just realized I looked at the wrong torque when I did mine and went to 7.6 ft*lb(f). One did start to strip so that is probably about the limit.
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I got some of these camber bolts from Summit but haven't used them yet. They're Ingalls IEC-I-81260 14mm, supposed to be good for +/- 2 degrees of camber adjustment (I think that's if you use their eccentric bolts in both the upper and lower hole). edit: It seems like these would also work to make the rear camber adjustable, if your strut/shock is the style that uses bolts, not that double wishbone thing on newer models.
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I've run a 1 to 2 adapter. There's no risk of overloading the vehicle's outlet since that is fused. The three devices you mentioned are not power hogs anyway so it shouldn't be an issue. Also there is a Subaru accessory you can get that I think gives you two more outlets. I think maybe nipper has one installed? It kind of mounts where the ashtray is I think