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![]() | Home > Faults & Fixes > Suspension Fault Tracing Help Needed |
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Paddi Member Since: 06 Jul 2012 Location: Hertfordshire Posts: 1563 ![]() ![]() ![]() |
There isn't much in the workshop manual about pressure but there is this;
The manual describes where the valve blocks are (as unhelpfully as possible): The front valve block is attached to the right hand end of the front bumper armature assembly. The valve block has three attachment lugs which are fitted with isolation rubber mounts. The rubber mounts locate in slots in the armature. The valve lugs locate in the holes above the slots and are pushed downwards into positive location in the slots. The rear valve block is located on the forward face of the left hand rear suspension turret. The valve block has three attachment lugs which are fitted with isolation rubber mounts which locate in a bracket with three slotted holes. The bracket is attached to the left hand side of the chassis. The isolation rubber mounts locate in the 'V' shaped slots and are pushed downwards into positive location in the slots. The reservoir valve block is attached to a bracket on the outside of the left hand chassis rail, between the reservoir and the air supply unit. The valve block is located within the air supply unit acoustic box to protect it from dirt ingress and damage from stones. The valve block has three attachment lugs which are fitted with isolation rubber mounts. The rubber mounts locate in the chassis bracket which has three corresponding 'V' shaped slots. the rubber mounts are pushed downwards into positive location in the slots. Did you mean fault code CIA2064? Pressure increase too slow when filling reservoir Possible causes: Reservoir valve stuck closed Reservoir pipe blocked/damaged Reservoir port blocked/restricted Pressure sensor fault Hope that is some help. I'm sure other will chime in with some more practical advice. 2008 MY Java Black TDV8 HSE ![]() |
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JS3 Member Since: 26 Nov 2013 Location: Yorkshire Posts: 24 ![]() ![]() ![]() |
Thanks Paddi - thats a great help.
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4443 ![]() ![]() ![]() |
This suggests to me that the compressor is shafted A healthy Hitachi/Dunlop compressor should be able to raise the car from access height to normal, and refill an empt air tank to 18 bar without cutting off at 130degrees, just! A healthy AMK will also do the same, but temperatures will be much lower |
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JS3 Member Since: 26 Nov 2013 Location: Yorkshire Posts: 24 ![]() ![]() ![]() |
Thanks Mikey. Even though I repaired the compressor?
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4443 ![]() ![]() ![]() |
If the compressor gets hot in a short space of time, its generally a faulty compressor.
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JS3 Member Since: 26 Nov 2013 Location: Yorkshire Posts: 24 ![]() ![]() ![]() |
Thanks Mikey - when I say heating up, it is the motor unit of the compressor that gets very hot.
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JS3 Member Since: 26 Nov 2013 Location: Yorkshire Posts: 24 ![]() ![]() ![]() |
Thanks for the help guys. I have done some investigating into this fault and could not definitively identify a fault within the air system (thanks to Paddi's list) so opted for a new compressor (last item on the list).
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phillh Member Since: 09 Oct 2016 Location: Hertfordshire Posts: 198 ![]() ![]() ![]() |
My son had issues with the pump on his L322 (full fat RR). Its different to the RRS, under the spare wheel in the boot, but the systems are generally pretty similar.
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