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Land Rover Discovery 4 3.0 supercharged V6 petrol: air suspension check

Suspension · Discovery 4 (2009–16) · 2013–2016

How often: every 15,000 mi or year, whichever comes first. Air springs perish with age; a leak makes the compressor overwork and fail.

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

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

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