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| Classic Saab 900 Workshop Classic Saab 900 (1979-1994) Technical Forum. |
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#1
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When I shift into first gear, once in a while the car will jerk until I speed up. Does anyone know what might be causing this? Thanks.
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#2
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i think your left leg is broken...
Either you are releasing too fast or not enough rpm or something... car should launch smoothly with proper clutch technique. |
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#3
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Hard to say. I'm thinking a broken front motor mount might cause a jerk when first starting off, but not sure. If you search the forums you might find something mentioned. 1st on mine is pretty jumpy - I get torque steer that tries to pull me into hedges, so I lighten up on the pedals and let the clutch out slower, which seems to work.
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#4
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noticeable in first gear only? or if you try driving in 3rd at about 3500rpm and bounce your foot on the accelerator does the car jerk a lot then?
Worn engine mounts cause the sort of problem your describing. The above mentioned technique will provoke judder! It could be very jumpy if your car is fitted with "luxury" engine mounts or the original mounts are badly worn. |
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#5
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Maybe the springs on your clutch plate are worn... Could have a broken one.
If you are experiencing clutch chatter, car is charrering or jerking while letting out the clutch, more so in first gear. this is a common indication that the flywheel is warped and might be in need of resurfacing. Jay |
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