Suspension Fault Normal Height Only

Thanks rocmic. Look forward to hearing how you went with the Landyair kit.

Side note (for others), X8R do do a kit with the drier lid also (appears to be an alloy one).

Reviving this thread from the dead.


My 2011 D4 is now displaying 'normal height only' pretty much every drive. I've checked for leaks around the unit and nothing to be found. Have read the fault codes and it shows CA120 which indicates too slow to fill reservoir.


At this stage I'm contemplating replacing the original unit (hitachi) with a new AMK but am shocked at the prices I'm getting, especially when people in this thread were getting compressors for $500. At the moment, the best local price I'm finding is about $1400 for supply only. :censored:


I'm happy to fit and update the ecu with my nanocom but don't really want to spend this much to replace the compressor. Of course could rebuild with one of the $150 kits but seems like a short term fix at best.

1400 sounds more like a supply and fit figure ... at least that's around what I paid 12 months ago in SA. Before doing that I did fit an X8R kit to the Hitachi, it seemed to work better on the bench, but suspension faults still occurred (not the slow to fill type at that point, some other error - in retrospect very possibly the $30 relay ...). As to longevity of the rebuild, for the money it's arguably worth a shot, not a difficult task. Didn't end up using the rebuilt compressor, welcome to try it (albeit I'm in Adelaide).

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Originally Posted by TuffRR

My 2011 D4 is now displaying 'normal height only' pretty much every drive. I've checked for leaks around the unit and nothing to be found. Have read the fault codes and it shows CA120 which indicates too slow to fill reservoir.


At this stage I'm contemplating replacing the original unit (hitachi) with a new AMK

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Ask a dealer to look-up Topix (or PM me with your vin & I'll do it) to see if the compressor upgrade is outstanding. LR was replacing all D4 Hitachi compressors with AMK at least for a while but may have since discontinued the campaign.

Thanks for the offers saD4 and Graeme.

I'll potentially be in touch saD4 depening on what Graeme comes back with. :BigThumb:

It seems that LR have withdrawn the offer to upgrade the compressors. My now-gone D4 had its compressor upgraded just prior to the upgrade campaign so its Topix record for a long time showed the upgrade as outstanding, but no longer.