Filed Under (Mazda) by admin on 11-11-2010

Removal 1. Disconnect negative battery cable. On Millenia, raise and support vehicle. Remove right front wheel. Remove lower engine covers. 2. On all models, remove accessory drive belts. Remove water pump pulley. Remove drive belt idler pulley bracket. Remove retaining bolts and power steering pump with hoses attached, and secure pump out of way. Remove spark plugs. CAUTION: DO NOT damage crankshaft position sensor rotor on rear of crankshaft pulley during crankshaft pulley removal. 3. Holding crankshaft stationary, remove the crankshaft pulley retaining bolt. Using gear puller, remove crankshaft pulley. 4. Remove oil dipstick and oil dipstick tube. Remove crankshaft position sensor from front of engine. See Fig. 1 . Support engine using hoist or floor jack. Remove right (timing belt side) engine mount. Remove retaining bolts, timing belt covers, and gaskets. See Fig. 1 . 5. Install crankshaft pulley retaining bolt in crankshaft. Rotate crankshaft so No. 1 cylinder is at TDC on compression stroke. Ensure groove on crankshaft sprocket aligns with indicator on oil pump body. See Fig. 2 . Ensure camshaft sprocket timing marks are aligned with marks on rear cover. 6. If reusing timing belt, place reference mark on timing belt to indicate direction of rotation. Loosen the 2 timing belt tensioner bolts. Hold timing belt tensioner, and remove lower retaining bolt. Remove No. 1 idler pulley and timing belt. Inspection 1. Inspect timing belt for damaged teeth, cracking and oil contamination. Ensure idler pulleys (No. 1 and No. 2) and tensioner pulley rotate freely. Replace damaged components. 2. Inspect timing belt tensioner for signs of oil leakage. Replace timing belt tensioner if oil leakage exists. Measure timing belt tensioner rod protrusion from end of rod to edge of housing. See Fig. 3 . There are 2

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