2544 - NO.2 END UNUSUAL SOUND ~~~~~ 2544 NO.2 END UNUSUAL SOUND FROM LEVELLING VALVE. CAR HEIGHT LOW.  2544 checked levelling valve physically, no damaged or wear on rod. Measured #2544 #2E carbody height at 820mm - Failed. Adjusted turnbuckle of adjusting rod to 854mm. (834mm - 869mm). Checked air spring release, within 10 sec. Secured adjusting rod. Checked WN coupling & all shock absorbers - OK. Monitor for 45 mins, car height checked - OK. No leaking sound.  Aliff/Chan SW 45456