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lucidfisher
Joined: 05 Nov 2009
Posts: 3
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 Posted: Thu Nov 05, 2009 5:35 pm Post subject: air suspension.... need some advice |
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| i have got a 1996 400 series bus. i lost lift and the compressor was making an awful racket and could stop the air coming out with my finger so i have had the air compressor refurbed but when refitted i get no lift..... any suggestions as to what to try next? |
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plastic ambulance
Joined: 27 Oct 2007
Posts: 265
Location: somewhere cold
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| Posted: Thu Nov 05, 2009 8:06 pm Post subject: |
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Is the pump running now ok when the ignition is turned on?
Is the handbrake on the van wont lift till handbrake is released
sometimes the ecu gets confused and you will need to make it kneel to reset it
Answer to the first 2 questions though will help |
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lucidfisher
Joined: 05 Nov 2009
Posts: 3
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| Posted: Fri Nov 06, 2009 4:49 pm Post subject: |
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| yes it runs fine when ignition is on and no change when handbrake is on or off. before the compressor was refurbed i could pump up the suspension with an air line on the valve on the compressor but can't do that now.... just seems like no air is getting through |
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plastic ambulance
Joined: 27 Oct 2007
Posts: 265
Location: somewhere cold
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| Posted: Fri Nov 06, 2009 6:27 pm Post subject: |
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check the wiring at the pump the smaller wires go to a solenoid which needs to work there is a diagram on here somewhere
The solenoid is part of the kneel circuit but will stop air flowing if faulty which may be what killed your first pump !
There are 2 solenoids one to let air into the bags other to let air out but different years are slightly different my one has a valve block with no solenoids on pump ! |
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lucidfisher
Joined: 05 Nov 2009
Posts: 3
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| Posted: Fri Nov 06, 2009 6:58 pm Post subject: |
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| nice one. i will test the solonoids and let you know how i get on |
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ldv van
Joined: 30 Nov 2008
Posts: 591
Location: Rainy Swansea
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| Posted: Fri Nov 06, 2009 10:23 pm Post subject: |
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| Where abouts are you. |
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holmargarage
Joined: 24 Oct 2009
Posts: 4
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| Posted: Sat Nov 07, 2009 8:14 pm Post subject: |
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| hi I have the same problem and i change the air pump (Range Rover type)and work fine chek the pressure swich on the reserve tank becuse if it not work the pump did t swich off and damige the pump |
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ldv van
Joined: 30 Nov 2008
Posts: 591
Location: Rainy Swansea
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| Posted: Sun Nov 08, 2009 11:15 am Post subject: |
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and make sure you have the air pipes right
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