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Hardrakepedal.no stopping power.


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So, my seriese 2A fitted with a disco 300 tdi on Range Rover running gear has this problem.

foot on brake, start engine in foot pedal goes down as it should.

on tickover into gear and drive forward brakes anchor well but when driving at road speed the brakes are like rock with very little stopping power.

any ideas gents, can't go everywhere on tickover😳

 

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59 minutes ago, scutt said:

brake servo or connections  leaking not enough air to operate power assist to brakes.

Yep deffo a brake servo problem . Check all connectors on the vacuum side normally a pipe from inlet manifold to servo  it normally has a one way valve in pipe .. if no vacuum leaks I'd say a duff servo.

Could be the push rod from servo to master cylinder adjustment but be careful with adjustment as can cause progressive brake bind if over adjusted or bad performance if not adjusted enough

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19 hours ago, dead eye alan said:

Sounds more like the vacuum hose calapsing and closing up hence no brakes at higher revs, 

My first thought Allen, it looks fine on outside but the symptoms could be explained with that happening so will change it before going deeper.👍🇬🇧

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1 hour ago, snarepeg said:

My first thought Allen, it looks fine on outside but the symptoms could be explained with that happening so will change it before going deeper.👍🇬🇧

Thy look good on the outside but collapse on the inside common fault often not noticed until people have fitted a new servo that was perfectly fine.

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