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Subaru outback llbean 3.0 engine=spark plug replacement

6 messages,  Last post on Jan 12, 2009 at 9:56 AM

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#1 of 6 Subaru outback llbean 3.0 engine=spark plug replacement by cdk15 Jan 07, 2009 (3:32 pm)
how do you replace the spark plugs on the 3.0 engine with limited fire wall clearance. Special tool?, sawsall?, jack engine?, lower drive train?. Another $400dealer service issue?Help please. Replies to this message: ateixeira (Jan 09, 2009 10:27 am) xwesx (Jan 09, 2009 4:02 pm) cdk15 (Jan 09, 2009 5:21 pm) and 1 more... ateixeira (Jan 12, 2009 9:56 am)
#2 of 6 Re: Subaru outback llbean 3.0 engine=spark plug replacement [cdk15] by ateixeira Jan 09, 2009 (10:27 am)
Replying to: cdk15 (Jan 07, 2009 3:32 pm) Have you tried yet? It really should not be that hard.   IIRC the 3.0l H6's stroke is actually shorter than the 2.5l's H4 stroke. So there may actually be more room.   Plus - I was able to change the plus myself on a 2.5l Forester. That means I had enough room with a wider engine in a more narrow engine bay.   Your spark plugs should be a *lot* easier than that, and I managed.   A low-profile ratchet might help, and I used two 2" ratchet extensions. You may not even need that many tools. Replies to this message: xwesx (Jan 09, 2009 4:02 pm) cdk15 (Jan 09, 2009 5:21 pm) xwesx (Jan 09, 2009 5:57 pm) ateixeira (Jan 12, 2009 9:56 am)
#3 of 6 Re: Subaru outback llbean 3.0 engine=spark plug replacement [ateixeira] by xwesx Jan 09, 2009 (4:02 pm)
Replying to: ateixeira (Jan 09, 2009 10:27 am) To do the plugs on my Outback's 2.5L, I would attach the following in this order: plug socket, u-joint, short (2 or 3"?) extension, long (6") extension, ratchet. I also removed the air cleaner on the passenger side and the battery/washer fluid on the driver side. It was not too difficult, but getting them (plugs) back in was a pain. Replies to this message: cdk15 (Jan 09, 2009 5:21 pm) xwesx (Jan 09, 2009 5:57 pm) ateixeira (Jan 12, 2009 9:56 am)
#4 of 6 Re: Subaru outback llbean 3.0 engine=spark plug replacement [xwesx] by cdk15 Jan 09, 2009 (5:21 pm)
Replying to: xwesx (Jan 09, 2009 4:02 pm) sorry not the same Replies to this message: xwesx (Jan 09, 2009 5:57 pm)
#5 of 6 Re: Subaru outback llbean 3.0 engine=spark plug replacement [cdk15] by xwesx Jan 09, 2009 (5:57 pm)
Replying to: cdk15 (Jan 09, 2009 5:21 pm) Yeah, I know, but I figured I would throw out the info as I am not sure how drastically the 3.0 differs in terms of clearance, etc. All I know is that it adds two extra cylinders and has the same frame with which to contend.....
#6 of 6 Re: Subaru outback llbean 3.0 engine=spark plug replacement [xwesx] by ateixeira Jan 12, 2009 (9:56 am)
Replying to: xwesx (Jan 09, 2009 4:02 pm) My wife's previous car, a 2002 Legacy L, was exactly the same.   I did the plugs twice, and it was no big deal.   It was harder on the 98 Forester, with a more narrow engine bay, but I still managed to do that myself, also twice.

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