Articles
Technical guides, repair videos, product updates, and diagnostic tips for Land Rover owners.
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Where is my OBDII Port?
The Range Rover P38a OBDII port is located in the Right-Hand side of the vehicle under the footwell. The connector is most easily seen if the Right-Hand door is opened…
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P38a EAS – Air Dryer
The EAS Dryer is an essential and often overlooked EAS component. The primary function of the EAS dryer is to absorb moisture from the compressed air in the EAS system.…
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P38a EAS – Front Air Spring
The EAS suspension uses bladders of air to act as the cushion between the axle and the body of the vehicle. These bags can be inflated or deflated depending on…
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P38a EAS – Valve Block and Pump
The EAS pump and block assembly are located under the hood contained within a plastic enclosure marked “EAS”. The pump is a high pressure low volume reciprocating piston pump. The…
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P38a EAS – Main Fuse Box
The fusebox is a sometimes troublesome aspect of the Range Rover. I as a rule, carry duplicate green and yellow relays in my glove box. These relays are prone to…
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P38a EAS – Electronic Control Unit
Here we come to my favorite part of the Range Rover EAS. The EAS Electronic Control Unit (ECU) is a very elegant and highly efficient microprocessor driven sub-system. The EAS…
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P38a EAS – Front Sensor Arm
The EAS suspension relies almost entirely on the height sensors for empirical data on the outside world. These sensors are a feedback for several assumptions that the EAS ECU makes…
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P38a EAS – Rear Sensor Arm
The EAS suspension relies almost entirely on the height sensors for empirical data on the outside world. These sensors are a feedback for several assumptions that the EAS ECU makes…
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P38a EAS – Rear Air Spring
The EAS suspension uses bladders of air to act as the cushion between the axle and the body of the vehicle. These bags can be inflated or deflated depending on…
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P38a EAS – High Pressure Resovior
The high pressure EAS tank is located under the frame rail just forward of the Range Rover fuel tank. This resovior holds approximately 2.5 US gallons(9.7L) of compressed air at…