MAZADA MILLIEUM 6CYLINDER
1998 Mazda Millenia • 6 cylinder FWD Automatic •
How do you remove and install a timing belt on a 1998 mazada millieum 6cylinder not super charge
June 21, 2011.
June 21, 2011.
Disconnect negative battery cable. On Millenia, raise and support vehicle. Remove right front wheel. Remove lower engine covers.
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.
Holding crankshaft stationary, remove the crankshaft pulley retaining bolt. Using gear puller, remove crankshaft pulley.
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.
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.
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.
Place timing belt tensioner in a press using a flat washer to prevent damage to timing belt tensioner. See Fig. 5. Using no more than 2200 lbs. of pressure, SLOWLY compress tensioner rod until holes in rod and housing are aligned. Install 0.055" (1.4 mm) diameter pin through holes in housing and rod to hold rod in retracted position.
Install timing belt tensioner on cylinder block with the upper retaining bolt only; do not fully tighten upper bolt.
CAUTION:If reusing timing belt, ensure timing belt is installed in original direction of rotation.
Ensure crankshaft and camshaft timing marks align. See Fig. 2. Install timing belt on sprockets in order. See Fig. 6. Ensure tension exists on belt between crankshaft pulley and camshaft pulleys. See Fig. 6. While applying pressure on timing belt, install No. 1 idler pulley.
Push outward at bottom of timing belt tensioner, and install lower retaining bolt in timing belt tensioner. Tighten both timing belt tensioner retaining bolts to specification. See TORQUE SPECIFICATIONS. Remove pin from timing belt tensioner, allowing tension to be applied on timing belt.
Rotate crankshaft 2 full revolutions clockwise (as viewed from timing belt end of engine) from TDC to TDC. Ensure timing marks on camshaft sprockets and crankshaft sprockets are properly aligned. See Fig. 2. If timing marks are not aligned, remove and repeat entire timing belt installation procedure.
Install right (timing belt side) engine mount. Install timing belt covers using NEW gaskets. Tighten retaining bolts to specification. See TORQUE SPECIFICATIONS.
Install dipstick tube with new "O" ring. To install remaining components, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS. Adjust drive belts to proper tension.
Check crankshaft position sensor air gap. Gap between center of sensor and outer edge of rotor tooth should be 0.020-0.059" (0.5-1.5 mm). If not, check for damaged components. Air gap is not adjustable
Jun 21, 2011.
Jun 21, 2011.
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