Parts for your 2014 Mazda Cx-7-Oil seals

2014 Mazda CX-7 oil seals — what they do and when to replace them

Oil seals are absolutely used on the Mazda CX-7 and are very relevant to servicing. Technical references including the Mazda CX-7 Workshop Manual (ER platform, service procedures for crankshaft oil seals and drive shaft oil seals), the Mazda Parts Catalogue (listing front and rear crankshaft seals, camshaft seals, transaxle/transfer case and differential oil seals), and the Aisin AW6A-EL transmission service information (input/output and axle seals) all document these seals throughout the powertrain. That means the 2014-registered CX-7 in Australia or New Zealand relies on multiple oil seals to keep fluids where they belong.

What’s the job of an oil seal on a CX-7? In short, it keeps engine oil, transmission fluid and final-drive oil inside, and dust, water and grit out. Typical lip seals use a spring-backed rubber (often nitrile or FKM) that hugs the spinning shaft. On the CX-7 you’ll find them at the front and rear of the crankshaft, around camshafts, where the drive shafts enter the transaxle, and on AWD models at the transfer case and rear differential pinion. When they harden or wear, leaks start — sometimes a light mist, sometimes drips on the driveway.

• Common CX-7 oil seals: front (timing cover) crank seal, rear main seal, camshaft seals, left/right drive shaft (transaxle) seals, transfer case/output seals (AWD), rear diff pinion seal (AWD).

There’s no fixed kilometre-based schedule to replace oil seals