What causes Timing chain rattle on startup on the Infiniti Qx56?

Listen for rattle on cold start, check service history Estimated fix cost: $1500-$3000

What causes Air suspension failure and sagging on the Infiniti Qx56?

Check ride height, listen for compressor running constantly Estimated fix cost: $800-$2000

Feel for vibration during slow turns on dry pavement Estimated fix cost: $1000-$3500

Known issues to inspect before buying a used Infiniti Qx56. What to check and how much repairs cost.

SERIOUS

Listen for rattle on cold start, check service history

Fix cost: $1500-$3000

MODERATE

Check ride height, listen for compressor running constantly

Fix cost: $800-$2000

SERIOUS

Feel for vibration during slow turns on dry pavement

Fix cost: $1000-$3500

☐Pull full Carfax and service records

☐Cold start test for chain rattle

☐Inspect all four corners for suspension sag

☐Test 4WD system on dry tight turns

Decent if maintained, expensive repairs when neglected