2002 Mazda Protege LX Timing Belt Removal

Removal
1. Disconnect negative battery cable. Remove Crankshaft Position (CKP) and Camshaft Position (CMP)
sensors from front of engine (if equipped). See Fig. 1 . Remove spark plugs.
2. Remove accessory drive belts. Leaving hoses attached, remove power steering pump and position aside.
Remove the water pump pulley. See Fig. 2 . Rotate crankshaft so No. 1 cylinder is on TDC of
compression stroke.
CAUTION: On models with a crankshaft position sensor, rotor is on rear of
crankshaft pulley. DO NOT damage rotor when removing crankshaft
pulley.
3. Using Coupling Flange Holder (49 S120 710) and Adapter (49 E011 1A1), or equivalent, hold the
crankshaft and remove crankshaft pulley bolt. See Fig. 3 . Remove crankshaft pulley and guide plate
(large washer).
4. Loosen valve cover bolts in 2-3 steps in order shown. See Fig. 4 . Remove valve cover and gasket.
5. Remove dipstick tube. Remove upper and lower timing belt covers. Support engine from above. Remove
No. 3 engine mount at timing belt end of engine.
6. If reusing timing belt, mark arrow on belt to indicate direction of rotation. Install crankshaft pulley bolt
finger-tight to retain crankshaft sprocket. Rotate crankshaft clockwise (as viewed from timing belt end of
engine) until cylinder No. 1 piston is at TDC of compression stroke and timing marks are aligned. See
Fig. 5 .
7. Turn tensioner clockwise using a Allen wrench to relieve spring tension, and then disconnect spring from
the hook pin. See Fig. 6 . Remove timing belt. Remove crankshaft sprocket, tensioner and idler pulley (if
necessary).

Source