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 )
Land Rover Discovery 3 4 & RR Sport Aftermarket Dunlop unit ( picture 2 ) Dunlop – Range Rover L322 td6 tdv8 2005-20011 ( picture 1 ) Dunlop units generally have green n black main power wires more importantly the air dryer end cap as 2 x 6mm diameter outlet pipes .
! 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 )
Pressure does not decrease when venting 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 2005-2012 are the vehicles fitted with the above units and related products.
Listing Kit / Part ( main listing product picture Master kit) Dunlop units only
C1A20 & C1A13 product !
This listing will supply you our Master Compressor repair kit with fitting instructions suitable for Dunlop Air compressors only,all parts included related to a c1a20 ‘ Pressure increase to slow when filling gallery ‘ & c1a13′ Pressure does not decrease when venting gallery ‘ diagnostic trouble codes ! incl fitting instructions .
We are the original designers of this product/products and are proven products over many years, please message us if you require further information .
C1a13 Exhaust valve seals only kits available on their own ( picture 7 )& Exhaust valve Main seal kits ( picture 8) also available on their own in our other listings .
C1a20 kits also available on their own.
We understand their can be cheaper products elsewhere ! but please bare in mind that you only want to hopefully carryout your vehicles repair one time and want you to know we designed these products many years ago and can vouch for their quality and fitment as a uk manufacturer and more importantly offer experience & support with these units like no other supplier ! knowing the issues back to front inside & out ! Please don’t hesitate to contact us ! Trust us you have come to the right place.
Discovery 3/4 2004-2010 — Range Rover Sport 2004-2010 — Range Rover L322 2006-2009
Support Uk Manufacturing ,
Hitachi Air Compressor Serial Numbers
RQG500071 RQG500072 RQG500080 RQG500090 RQG500060 RQG500061 RQG500062 RQG500070 LR044360 LR01530 LR015303 LR023964 LR010376 LR045251 UUB504700 VUB504700RQG000017 RQG000018 RQG000019