Unusual Rattle/Buzzing Noise from Exhaust – 2010-2015 Mazda CX-9

2010-2015 CX-9 – UNUSUAL RATTLE / BUZZ TYPE NOISE FROM PRE-SILENCER APPLICABLE MODEL(S)/VINS 2010-2015 CX-9   Unusual rattle/buzzing type noise from the presilencer when driving at approximately 1800 rpm.   The lower (rear-side) of the pre-silencer may be thermally deformed due to insufficient rigidity (fewer weld spots). The deformed portion may resonate exhaust gas pulsations, … Read more

Rattle Noise from Front Door when Base is Turned Up – 2010-2013 Mazda3

2010-2013 MAZDA3 – RATTLE NOISE FROM FRONT DOOR WHEN DRIVING OR WHEN AUDIO BASS IS TURNED UP APPLICABLE MODEL(S)/VINS 2010-2013 Mazda3   Rattling noise from inside the front door when the door vibrates while driving or when the audio system bass is turned up.   This is caused by a worn pad (A) on the … Read more

Vibration During Acceleration and/or Noise Coming from Rear of Vehicle – 2007-2015 Mazda CX-9

2007-2015 CX-9 AWD – NOISE FROM REAR DIFFERENTIAL MOUNT(S) APPLICABLE MODEL(S)/VINS 2007-2015 CX-9 AWD with VINs lower than JM3TB****** 468329 (produced before Aug. 1, 2015)   Vibration during acceleration and/or noise coming from the rear of the vehicle.   Due to environmental heat and heat from the exhaust system, the rear differential mounting rubber may … Read more

Transfer Oil Seals Replacement Procedures – 2010-2015 Mazda CX-9

2010-2015 CX-9 AWD – REPLACEMENT PROCEDURES FOR THE TRANSFER OIL SEALS (RIGHT SIDE) APPLICABLE MODEL(S)/VINS 2010-2015 CX-9 equipped with AWD   If replacement of the right side (RH) transfer oil seal (A), and transfer dust seal (B) are necessary, use the following REPAIR PROCEDURE to install the new oil seals.   NOTE: Deflector (C) may … Read more

Engine Coolant Leak Behind Alternator – 2007-2015 Mazda 3.7L

2007-2015 CX-9, 2009-2013 MAZDA6 3.7L – ENGINE COOLANT LEAK BEHIND ALTERNATOR Engine Coolant Leak Behind Alternator Coolant leak from the left side of the engine.   This may be caused by a water pump failure. The water pump is located under the engine front cover and mounted to the block. The water pump weep hole … Read more