Three problems related to engine oil leaking have been reported for the 2019 Mazda CX-5. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 Mazda CX-5 based on all problems reported for the 2019 CX-5.
This is a follow-up to my complaint 11754947, filed 8/5/2026 on the same vehicle. The defect has now been confirmed in writing by an authorized Mazda dealer. On 8/6/2026, san francisco Mazda (repair order 1085786) diagnosed the cylinder head as the source of the engine oil leak on my 2019 Cx-5 with the 2. 5l naturally aspirated skyactiv-g engine with cylinder deactivation, engine code pyud. The dealer inspection report states: "cylinder head leaking — found the cylinder to be the source of the oil leak. " the repair estimate is $10,655. 34, including a replacement cylinder head assembly, cylinder head bolts, and four gasket kits. Mileage at diagnosis was 51,483, approximately 7,000 miles per year, dealer-maintained since new. The technician inspection video shows engine oil actively dripping onto components below, and extensive burnt oil residue baked onto the metal surfaces above the engine. That residue is physical confirmation that leaking oil has been contacting hot surfaces repeatedly over an extended period. Still images from the dealer's own inspection video are attached. A burning oil odor is detectable both outside the vehicle and inside the cabin. Timeline. In April 2026 I found oil accumulating beneath the vehicle. On 5/18/2026 the same dealer (repair order 1079428) noted oil leaking from the cylinder head gasket area and from a plug near the firewall. The dealership replaced the valve cover, charged $1,218. 26, and instructed me to drive 1,000 miles and return for reinspection. I drove 1,077 miles as instructed. During that period the leak persisted and progressed, developing the burning odor. On 8/6/2026 the same dealership confirmed the cylinder head as the source and confirmed the plug is not the source. I want to emphasize the safety implication of that sequence. An authorized Mazda dealer misidentified the source of an oil leak and instructed me to continue driving the vehicle for 1,000 miles. The oil was in fact reaching hot exhaust components duri.
The contact owns a 2019 Mazda cx5. The contact stated that he noticed an oil leak on top of the engine. The vehicle was taken to compass Mazda (200 dolson Ave lot a 204, middletown, NY 10940: (844) 258-3818) to be diagnosed. The contact was informed that the mastercycler needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 63,000.
Tl the contact owns a 2019 Mazda cx5. The contact stated that the engine failed. The driver noticed that engine oil was leaking on the ground. The vehicle was towed to an unknown dealer whom advised that the engine needed to be replaced. The engine was replaced. However, the repair did not correct the failure. The vehicle cabin filled up with smoke when the contact drove the vehicle home and the contact found that the engine was leaking oil. The vehicle was towed back to an unknown dealer for inspection. The vehicle was not repaired. The manufacturer was contacted. The approximate failure mileage was 7,800.
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