4x4Airseals – Uk supplier, manufacturer and innovating company of Air suspension compressor related products serving customers in the Uk and worldwide longer than any other supplier! designing and providing quality products consistently with the kind of technical support that is in short supply with other sellers vital to get your do-it-yourself repair to satisfactory level and with a end result hopefully with your vehicle back on the road. ! Please save us as a your prefered seller for these products before leaving the listing you are viewing ! navigating back to us on the ebay system in the future can sometimes be a hit or miss experience as the ebay searching system can change on a hourly/daily basis.
Compressor Fault / Kit Diagnosis
When your garage informs you need a new compressor in our experience you generally do not ! first thing you ideally need to do is have your vehicles diagnostic codes read and write them down (very important insist on it at your garage) and then physically check which type of compressor you have fitted on your vehicle ( Compare Pictures in any of our related listings together with diagnostic code description )
! Oem Hitachi Air compressor ( pictured ) fitted to Land Rover Discovery 3 4 /RR Sport 2004-2001/12 Oem Hitachi – Range Rover td6 & tdv8 L322 2005-20011/12 ( pictured ) ! L322 owners look carefully at your unit if Oem Hitachi unit should have red n black power wires and a air dryer cover with 1x 6mm outlet pipe & 1 x 4.7mm outlet pipe exiting the back of it . ! If green n black power wires and 2 x 6mm outlet pipes = Dunlop aftermarket unit !not suitable check out our other listings for Dunlop product .
! We now illustrate at the beginning of our product descriptions for Hitachi and Dunlop/Amk compressors ! the fault code the particular kit you are viewing will help to resolve ! either a C1A20 or C1A13. These 2 codes are the bench mark codes that cause garages/customers to replace or repair their units.
Diagnostic code Description
C1A2064 ( C1A20 )
Pressure increase to slow when filling gallery = Compressor fault 92% of cases ! Our master repair kit together with fitting instructions recommended.
Other code diagnosis = Resorvoir pipe air leak /Gallery Pipe air leak/Intake filter blocked or restricted/Intake pipe blocked or restricted / Air suspension intake silencer blocked or restricted /Air suspension intake silencer blocked or restricted / corner valve stuck open /pressure sensor fault/ Electric motor burnt out / Piston connecting rod broken or jammed.
C1A1364 ( C1A13 )
C1a13 ‘ Pressure does not decrease when venting gallery ‘ & c1a20 ‘ Pressure increase to slow when filling gallery ‘ = Compressor fault 95% of cases ,! Our Exhaust valve seal & dryer filtration repair kit together with fitting instructions recommended.
Other code Diagnosis = Exhaust valve stuck closed/Exhaust valve does not hold minimum retention pressure/ Gallery pipe blocked or damaged / Pressure sensor fault / Air suspension exhaust silencer blocked or restricted / Air suspension exhaust pipe blocked or restricted / Reservoir valve block pipes incorrectly fitted (unions reversed)
Vehicle Models affected
Land Rover Discovery 3 4 & Range Rover Sport 2004-2012 and Range Rover L322 td6 tdv8 late 2005-2012 are the vehicles fitted with the above units and related products.
Listing Kit illustrated (main product picture)
C1A13 ‘ Pressure does not decrease when venting gallery ‘ diagnostic code product !
This listing will supply you our Exhaust Valve seals only repair kit illustrated in with fitting instructions suitable for Oem Hitachi Air suspension air compressors fitted with either the tapered type exhaust valve 5 ) or the shouldered type both interchangeable ! not suitable for the Dunlop only Orings type available in our other listings .
We highly recommend our Complete Exhaust Valve repair kit with available in our other listings for best chance of solving a C1A13 code.
Discovery 3/4 2004-2010 — Range Rover Sport 2004-2010 — Range Rover L322 2006-2009
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Hitachi Air Compressor Serial Numbers
RQG500071 RQG500072 RQG500080 RQG500090 RQG500060 RQG500061 RQG500062 RQG500070 LR044360 LR01530 LR015303 LR023964 LR010376 LR045251 UUB504700 VUB504700RQG000017 RQG000018 RQG000019