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-   -   Shuddering (http://legacygt.com/forums/showthread.php?t=202475)

LegacyNoob 02-27-2013 05:55 AM

Shuddering
 
Hey guys, i could use some help. Just bought my first ever Scooby as a family runner, 97 legacy L, 5 speed. it's up there in miles, but overall runs well.

However, the whole car shudders, fairly violently, while starting off in first gear. It doesn't do it while changing gears though.

I've owned a few manuals in my time, so i know how to drive em, but i don't think i've ever had shuddering like that before.

is this a subbie thing, or do i have a clutch getting ready to go?

mailman 02-27-2013 08:52 AM

My stratus does this except in N or P... no idea, I've tried fuel filter, cleaning cat, checking engine mounts, intake, EGR system... and NO CODES

frustrating but first thing i would check is the driveline

subikid90 02-27-2013 11:00 AM

Check your u-joint for the driveshaft. They can start to bind and cause this issue.

If you pull the driveshaft you should be able to move the u-joints very easy with your hand, if not the u-joint is going bad.

wish 02-27-2013 01:50 PM

probably clutch

colby 02-27-2013 02:30 PM

does it do it when its cold? It could be your clutch not lining up right because the input shaft is damaged. checkout pdmusa1.com they have some good info

snederhiser 02-27-2013 05:55 PM

Hello;
I believe you are looking at a clutch job! Steven.

rdleg05 02-27-2013 07:56 PM

+1 for what Colby said. I have a 97 Legacy 2.5GT that had the same symptoms. I changed the clutch and at the same time looked closely at the input shaft housing. It was grooved/worn so that the throw-out bearing would not engage the clutch pressure plate at a perpendicular 90 degree angle.

the following link from Subaru Legacy International Forum gives more info.
http://sl-i.net/FORUM/viewtopic.php?f=70&t=545

If you are going to do clutch take a close look at the input drive shaft housing on the clutch.

pleaidestar 02-27-2013 09:01 PM

Heat expands and clutches that are going bad need that extra .0010 to grab properly..upgrade it, when you get a clutch you may want to get the whole kit with the pressure plate save you some.

LegacyNoob 02-28-2013 12:29 PM

Quote:

Originally Posted by colby (Post 4314910)
does it do it when its cold? It could be your clutch not lining up right because the input shaft is damaged. checkout pdmusa1.com they have some good info

Yeah, its the worst when i first run it for the day. After it's warmed up and ran for awhile, it's less bad, but still pretty prominent.

colby 02-28-2013 04:39 PM

i have the same issue i think your having you might want to look into getting new engine and trans mounts that made a big difference for me. i bought the megan racing pack on ebay. It still shudders but now it doesn't feel as bad by far. also shifting under heavy throttle is much better. if your accelerating hard and go to shift gears does it feel more difficult to find the next gear?


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