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12th March 2010, 03:04 PM
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Ticking noise and hard brake
Okay stumped on this one (not surprisingly) but also are my resident experts
 Happened twice now in the last few weeks, again this morning. Driving along all normal then next thing i know getting a loudish ticking sound which is consistent with the engine revving. Eg: I can come to a complete stop and rev the engine and the noise increases etc. with the revs. Also as this happens the brake pedal goes rock hard. Tried swerving, braking hard, turning car on and off etc and nothing seems to make it go away till all of a sudden it does itself. This is on my '96 300tdi Defender. I have attached an audio file of the sound recorded from the drivers footwell and outside the drivers door while parked... any ideas? Cheers
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12th March 2010, 03:18 PM
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From the sound and the symptoms I would say something is going amiss with your vac pump. Maybe the vanes are worn out and occasionally 1 is sticking.
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Outlaw (12th March 2010) | ||
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12th March 2010, 03:46 PM
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300Tdi vac pump failures are sometimes accompanied by loud ticking because one or both of the valves have come adrift in the housing.
 .JC
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Outlaw (12th March 2010) | ||
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12th March 2010, 04:16 PM
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How much is a pump roughly Justin?
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17th March 2010, 11:52 PM
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Yep, vac pump. First thing you look at in basically any diesel if the pedal goes hard and starts making a noise.
Cheers Andrew
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 Bonnie - MY03 D2a TD5 Auto (One Bourbon) Clyde - MY93 RRC 3.9 Classic (One Scotch) Arfa - S2a 109" custom trailer (One Beer) Earl - The "Duc" 2009 Ducati Sport Classic (chuck in a Lambrusco) www.perthrollerderby.com.au
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Outlaw (18th March 2010) | ||
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