You can tell your transmission fluid is dirty when the gearbox starts grinding, whining, slipping or shifting late, when the engine revs jump before a gear change, or when the gearbox runs hot or smells burnt. Dirty fluid is one of the most common reasons gearboxes fail in the UAE, so if you notice these signs, a check with a transmission repair service in Dubai can save you from a mu... https://www.carbatterysquad.ae/car-repairs/nissan-repair-dubai