Technical Bulletin LTBO0693NAS1: Inadequate A/C Performance Direct Pressure Sensing Valve Replacement for Land Rover Models (2010 Onwards)

Summary of Technical Bulletin

This technical bulletin addresses inadequate A/C performance issues in certain Land Rover models, including LR4, Range Rover Sport, and Range Rover.

The problem is caused by a worn AC compressor Direct Pressure Sensing (DPS) valve, leading to low pressure on the high pressure system and high pressure on the low pressure system.

Solution

The solution involves replacing the DPS valve with a new one, following a specific procedure outlined in the bulletin.

The replacement procedure includes removing the A/C compressor, replacing the DPS valve, and reinstalling the compressor.

Caution is advised to avoid damaging the circlip housing and the inside wall of the cylinder head during the replacement process.

Manual:

Download: Technical Bulletin LTBO0693NAS1: Inadequate A/C Performance Direct Pressure Sensing Valve Replacement for Land Rover Models (2010 Onwards)

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