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dustyfog *
Joined: 29 Jul 2009 Posts: 43 Location: leicestershire
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Posted: Tue Jun 12, 2018 17:25 Post subject: no brakes help needed |
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Hi, I have a lwb 1993 duty uk trooper , my brake pedal is rock hard as if there is no servo assistance & the low vacuum warning light comes on when pedal is pressed, I fitted a new alternator last year and the vacuum seems ok from that end. we tried a direct pipe from the vac pump to servo there is not any real difference any ideas or help please as we are due to go on holiday soon lol
many thanks
Dusty |
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Posted: Tue Jun 12, 2018 17:25 Post subject: Google Ads keep this community free to join! |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Tue Jun 12, 2018 18:47 Post subject: |
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so it's either pump or servo then but im going with pump not sucking enough i've never changed a servo on a trooper in 20 odd years of working on them |
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dustyfog *
Joined: 29 Jul 2009 Posts: 43 Location: leicestershire
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Posted: Tue Jun 12, 2018 20:19 Post subject: |
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thanks for the reply eithan i will get another alternator under warranty sorted, is there a way of testing the amount of vacuum at home? I gather the small 4mm vac pipes from the vac pump is for the EGR system |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Wed Jun 13, 2018 18:22 Post subject: |
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egr and 4wd system, as long as you blanked that pipe off when you done your test then id go with vac pump but if you did it with it connected then check the little pipes on the engine as a split in one of them will just let the pump suck air and you will lose the vacuum like you have |
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dustyfog *
Joined: 29 Jul 2009 Posts: 43 Location: leicestershire
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Posted: Fri Jun 15, 2018 13:48 Post subject: |
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yes small pipe was blocked off & all vacuum pipes on the alternator side of the engine have been replaced |
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