Bulkhead Workshop › Land Rover models › Land Rover Defender L663 P400e plug-in hybrid › Workshop guide › Air suspension check

Land Rover Defender L663 P400e plug-in hybrid: air suspension check

Suspension · Defender L663 (2020 on) · 2021 on

How often: every 21,000 mi or 2 yrs, whichever comes first. If your vehicle has air suspension, leaks and a tired compressor are the usual faults.

Work safely: support the vehicle on axle stands, never a jack alone; let it cool first. Check figures against your workshop manual. You do this work at your own risk.

Parts

Air spring (if leaking)

Tools

Soapy water spray
Diagnostic tool

Step by step

Park overnight on level ground; note any corner that has dropped.
Spray the air springs (folds at the bottom) and pipe joints with soapy water to find leaks.
Read the suspension codes; listen for the compressor running for long periods.

More Land Rover Defender L663 P400e plug-in hybrid servicing

Service: engine oil & filter every 21,000 mi or 2 yrs
Pollen (cabin) filter every 21,000 mi or 2 yrs
Air filter element every 42,000 mi or 4 yrs
Spark plugs every 60,000 mi or 6 yrs
Auxiliary belt & tensioner check every 21,000 mi or 2 yrs
Hybrid system & 12 V battery check every 21,000 mi or 2 yrs
Coolant change (10-year) every 10 yrs
Brakes, tyres & suspension inspection every 21,000 mi or 2 yrs
Brake fluid change every 3 yrs
Transfer box & locking-diff oil every 60,000 mi or 5 yrs
Automatic gearbox fluid & differentials every 60,000 mi or 6 yrs
Electric parking brake check every 21,000 mi or 2 yrs
Underbody & corrosion check every year
Annual safety inspection every year
Monthly walk-round checks every month

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