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Knock sound in rear

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Old Aug 21, 2018, 08:28 AM
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Knock sound in rear
The past couple of days I have heard this odd pump starting then knock sound when I start my car. Then when I start to drive the car I hear the same sound randomly when shifting gears. I read that the ayc pump makes this sound so I checked the reservoir and it was low so I refilled twice. Still makes the sound. If you guys have any idea what this could be please let me know.

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Old Aug 22, 2018, 12:00 PM
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SST ? sounds like the gearbox
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Old Aug 22, 2018, 12:37 PM
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Originally Posted by kikiturbo
SST ? sounds like the gearbox
manual-gsr
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Old Aug 31, 2018, 07:37 AM
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If you refilled twice, you have a possible leak. Sounds like the pump is working but no fluid is available to flow.
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