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ST-4 < SYMPTOM DIAGNOSIS > NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING Reference — , , NVH in DLN section. NVH in DLN section. NVH i n F AX, RAX, FSU, RSU section. NVH in WT section. NVH in WT section. NVH in F AX section. NVH in B R section. Possible cause and SUSPECTED PARTS Fl uid l e vel Ai r in hy dra u lic sy s tem Out e r/i n n e r s o c k e t bal l j o in t s w in gi ng to rque Ou te r/in ne r so cke t b a ll jo in t ro ta tin g t o rq ue Ou te r/ in ne r so cke t b a ll jo in t en d pl a y S tee ring fl ui d l e a k a g e S tee ring wh ee l p lay S te e ri n g ge ar ra ck s lid in g f o rc e Dri ve b e lt lo os en es s Im p rop er st e e ri ng whe e l Im pro pe r in st al lat ion o r lo os en es s of t ilt lo ck le ve r M ou nti ng lo os en es s S tee ring c o lu m n d e fo rm ati o n or da ma ge Im pro p e r in st al lat ion o r lo os en es s of s te e ri ng co lu mn S tee ring l ink ag e loo s e ne s s 4W AS f ron t a ct u a tor PROPELLER S H AFT DIFF ERENTIAL AXLE and SUSPENSI ON TI RE S ROAD WHEE L DRIVE SHAFT BRAKE S |