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Jerking in 2008 Legacy B4 Help!
Rank: Member Joined: 6/22/2011 Posts: 561 Location: House
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2008 2.0 AWD AT. it's been making a sort of jerking when I let off the gas and then give it a little more, or when I'm trying to maintain a constant speed at very light throttle. When I'm trying to maintain a constant speed, usually at very light throttle, the car will lurch very noticeably, as if it were an automatic that was awkwardly shifting. It's a big problem on the highway. Other than this, the car is problem free- smooth running engine, perfectly shifting transmission, synchs work alright, and axles seem to be in good shape.
Engine RPMs don't change at all, so I really don't think the clutch is misadjusted or anything is slipping. It feels as if I'm coasting in neutral and then suddenly dropping the clutch, except that the clutch is clearly out the entire time.
Oriel told me to change ATF/Gear box fluid and we did, went back since the problem was still there after two weeks they told me we wash/clean throttle body, system. We did and the problem still there.
The service on schedule so is fuel filter and air cleaner
Before I head to Subaru Kenya, is there anyone who knows what the problem could be and/or a good mechanic for Subaru who can help.
Front bushes have been replaced, alignment and balancing done, shocks Monroe and King coils installed.
Could the problem be at one of the joints in the driveshaft? Or is it (as I have read in most forums) just a fact of life caused by finicky computer engine management that doesn't like that grey area between light throttle and engine braking mostly in AWD subarus?
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Rank: Member Joined: 8/27/2010 Posts: 495 Location: Nairobi
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Ok, the thread title was really misleading.  Sent from my Black Nokia 3310
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Rank: Member Joined: 6/22/2011 Posts: 561 Location: House
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Ash Ock wrote:Ok, the thread title was really misleading. Its all in the mind Ash cock (see that)  now you have an idea how to solve this before swenani comes with fish jerking.
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Rank: User Joined: 8/15/2013 Posts: 13,237 Location: Vacuum
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Ash Ock wrote:Ok, the thread title was really misleading. I almost invited Guka with vaseline and bar soap If Obiero did it, Who Am I?
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Rank: Member Joined: 12/2/2006 Posts: 658
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@ Ngoyoyo,
Have the mechanics checked the power distribution coil and high tension leads leading to the spark plugs?
Start there.....if any of those is faulty, then you get jerking as described by you.
Good luck
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Rank: Member Joined: 6/22/2011 Posts: 561 Location: House
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Julie wrote:@ Ngoyoyo,
Have the mechanics checked the power distribution coil and high tension leads leading to the spark plugs?
Start there.....if any of those is faulty, then you get jerking as described by you.
Good luck I am not ruling out anything at this point. I must definitely have the above checked. Thanks That's why @Guka loves you
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Rank: User Joined: 8/15/2013 Posts: 13,237 Location: Vacuum
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Julie wrote:@ Ngoyoyo,
Have the mechanics checked the power distribution coil and high tension leads leading to the spark plugs?
Start there.....if any of those is faulty, then you get jerking as described by you.
Good luck @Guka, why are you using Julie's device to post? If Obiero did it, Who Am I?
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Rank: Member Joined: 12/2/2006 Posts: 658
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Wewe Swenani...
Guka bought me a ride and it had a similar problem.
So a gals advice sio poa?
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Rank: User Joined: 8/15/2013 Posts: 13,237 Location: Vacuum
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Julie wrote:Wewe Swenani...
Guka bought me a ride and it had a similar problem.
So a gals advice sio poa? Ni poa but unexpected considering that Impunity and washiku do not know what a power distribution coil and high tension leads are!! If Obiero did it, Who Am I?
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Rank: Veteran Joined: 12/8/2009 Posts: 975 Location: Nairobi
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Ngogoyo wrote:2008 2.0 AWD AT. it's been making a sort of jerking when I let off the gas and then give it a little more, or when I'm trying to maintain a constant speed at very light throttle. When I'm trying to maintain a constant speed, usually at very light throttle, the car will lurch very noticeably, as if it were an automatic that was awkwardly shifting. It's a big problem on the highway. Other than this, the car is problem free- smooth running engine, perfectly shifting transmission, synchs work alright, and axles seem to be in good shape.
Engine RPMs don't change at all, so I really don't think the clutch is misadjusted or anything is slipping. It feels as if I'm coasting in neutral and then suddenly dropping the clutch, except that the clutch is clearly out the entire time.
Oriel told me to change ATF/Gear box fluid and we did, went back since the problem was still there after two weeks they told me we wash/clean throttle body, system. We did and the problem still there.
The service on schedule so is fuel filter and air cleaner
Before I head to Subaru Kenya, is there anyone who knows what the problem could be and/or a good mechanic for Subaru who can help.
Front bushes have been replaced, alignment and balancing done, shocks Monroe and King coils installed.
Could the problem be at one of the joints in the driveshaft? Or is it (as I have read in most forums) just a fact of life caused by finicky computer engine management that doesn't like that grey area between light throttle and engine braking mostly in AWD subarus?
I experienced Jerking on BH5 that I tried to solve for quiet a while including changing the gear box. The mech made me buy solenoids, change the ATF, clean some parts of the AT etc etc. The problem never disappeared. I gave up and got rid of the car. I am not saying should sell yours too You will know that you have arrived when money and time are not mutually exclusive "events" in you life!
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Jerking in 2008 Legacy B4 Help!
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