1990 Mazda 929 Problems
RepairPal has identified the most common problems with the 1990 Mazda 929 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
If a rumbling noise is heard from the engine, along with a possible loss in power, it may be caused by a collapsed hydraulic timing belt tensioner creating excessive cam backlash. Our technicians recommend replacing the timing belt and water pump at the same time, if they have not been recently replaced.