MY WIFE AND I HAVE A 2007 MAZDA CX 7 WITH 68000 MILES ON IT. ON AUGUST 13TH MY WIFE WAS DRIVING WITH MY 9 MONTH OLD DAUGHTER AND NOTED A FUNNY SOUND WITH LOSS OF AIR CONDITIONING OR CHANGE OF QUALITY OF AIR CONDITIONING. SHE REPORTED SMOKE AND NOISE THAT FOLLOWED. LUCKILY SHE WAS ON A BACK ROAD AND CLOSE TO HER DESTINATION AND WAS ABLE TO ARRIVE AT THE DESTINATION WITHOUT HAVING TO DRIVE FAR. SHE PHONED ME AND GAVE ME THE NEWS AND I IMMEDIATELY KNEW IT WAS THE AIR CONDITIONING COMPRESSOR. THIS IS DUE TO RESEARCH I HAVE DONE THAT THE MAZDA CX 7 FROM 2007 IS NOTORIOUS FOR THE AIR CONDITIONING COMPRESSOR SEIZING UP. LUCKILY MY WIFE WAS AWARE OF THIS ISSUE AND PARKED THE CAR AND HAD IT TOWED TO A LOCAL MECHANIC TO BE REPAIRED. IN THE MEANTIME, I HAD EMAILED MAZDA AND REPORTED THE ISSUE, THE PART HAD THE WARRANTY EXTENDED TO 60000 MILES, SO I WAS ALREADY IRRITATED TO KNOW THAT THIS HAPPENED 8000 MILES OUTSIDE OF WARRANTY ON A PART MAZDA ALREADY KNEW WAS DEFECTIVE. THEY HAVE YET TO RESPOND TO MY EMAIL AND THAT WAS ALREADY MORE THAN A WEEK AGO. THE CAR IS REPAIRED NOW AND NOT BY A MAZDA DEALERSHIP AS I REFUSE TO GIVE THEM ANYMORE OF MY MONEY. I AM VERY DISPLEASED WITH THE LACK OF CUSTOMER SERVICE AND LACK OF OWNERSHIP BY THIS COMPANY OVER AN ISSUE WITH THIS PART THEY CLEARLY KNOW EXISTS. THIS PART IS CLEARLY DEFECTIVE AND DANGEROUS AND SHOULD HAVE BEEN RECALLED AND REPLACED. I THINK IT IS RIDICULOUS THAT THEY EXTENDED A WARRANTY, BUT WILL NOT JUST REPLACE A DEFECTIVE PART THEY PRODUCED THAT COULD CAUSE PERSONAL HARM AND DANGER TO NOT ONLY THE OWNERS OF THIS CAR, BUT OTHER PEOPLE ON THE ROAD AROUND IT. *TR
2010
POWER TRAIN
2010 CX7 GRAND TOURING WAS PURCHASED WITH 5,844 MILES FROM DEALER. WE CHANGED THE OIL & FILTER EVERY 6,000 MILES USING RECOMMENDED OIL AS SHOWN IN THE OWNERS MANUAL (5W20). MANUAL RECOMMENDATION IS TO CHANGE OIL EVERY 7,500 MILES WITH NORMAL DRIVING CONDITIONS WHICH IS THE CASE AS MY WIFE DROVE TO AND FROM WORK. AT 37,000 MILES, VEHICLE WAS STARTED IN 20DEG F. TEMPS, WARMED UP FOR AND EXPERIENCED LOUD ENGINE KNOCK. ONCE DRIVEN, VEHICLE HAD NO POWER AND HAD TROUBLES GETTING TO HWY SPEED. DROVE THE VEHICLE TO THE DEALER WHERE WE PURCHASED IT THE NEXT DAY AND WAS INFORMED THE ENGINE HAD EXCESSIVE ENGINE OIL SLUDGE UNDER THE OIL FILLER CAP. SERVICE DEPT. CALLED ME THE NEXT DAY AND SAID THEY WOULD NEED TO PULL THE VALVE COVER TO INVESTIGATE FURTHER TO SEE IF MAZDA NATIONAL WOULD COVER UNDER WARRANTY. WE AGREED SINCE WE PROPERLY MAINTAINED THE VEHICLE AND HAD NOTHING TO HIDE. TWO DAYS LATER WE RECEIVED A CALL FROM THE DEALER AND WERE INFORMED THERE WAS EXCESSIVE SLUDGE AND THEY WOULD NEED TO SEE RECEIPTS FROM WHERE WE CHANGED OUR OIL. WE PERFORMED OUR OWN OIL CHANGES AND DID NOT KEEP RECEIPTS FROM THE AUTO PARTS STORE WHERE WE PURCHASED THE OIL. DEALER SAID WITHOUT THE RECEIPTS WE WOULD NOT GET WARRANTY WORK DONE AND CHARGED US $260 TO DO THE INVESTIGATION TO BETTER THEIR CASE. I CALLED NATIONAL MAZDA AND ALL THEY DID WAS READ THE NOTES FROM THE DEALER AND WERE NOT WILLING TO BUDGE. THE REP FROM MAZDA ([XXX]) WAS EXTREMELY RUDE AND COULD CARE LESS WE WERE EXPERIENCING MAJOR ISSUES WITH A CAR WITHIN THE WARRANTY. THERE ARE NUMEROUS CLAIMS SIMILAR TO OURS ALL OVER THE INTERNET. IT APPEARS MAZDA HAS THEIR STANDARD "EXCESSIVE ENGINE SLUDGE" PITCH DOWN AS THIS IS THE COMMON THEME IN ALL CX7 ENGINE PROBLEMS. WE HAD THE ENGINE REBUILT AT A LOCAL SHOP (PAID $6,100) AND NOW ARE TOLD THE TURBO IS SHOT AS WELL WHICH IS ESTIMATED AT ANOTHER $2,000 TO REPLACE. *TR