The Chevrolet Aveo is a subcompact car manufactured by GM Daewoo since 2002 and marketed under the Chevrolet brand. The most common engine for the Chevrolet Aveo in the United States is a four-cylinder, 1.6-litre engine with a double overhead camshaft. The timing belt on this vehicle synchronises the rotation of the crankshaft with the rotation of the camshafts. The most important part of the timing belt installation process is keeping the crankshaft and camshafts properly aligned during the procedure.
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Things you need
- Socket wrench set
- Special Tool J-42492-A
- Torque wrench
Remove the cable from the negative battery terminal with a socket wrench. Disconnect the front cover for the timing belt and remove the mounting bolts for the power steering pump if your vehicle is so equipped.
Place a socket wrench on the crankshaft bolt and turn the crankshaft clockwise. Align the timing mark on the crankshaft gear with the timing mark on the rear cover of the timing belt.
Loosen the retaining bolts on the water pump slightly. Turn the water pump counterclockwise with Special Tool J-42492-A to relieve the tension on the timing belt. Detach the timing belt from its gears.
Disconnect the cover for the engine with a socket wrench and detach the electrical wiring from the spark plugs. Remove the crankcase ventilation tubes and camshaft position sensor from the valve cover. Disconnect the valve cover and its gasket.
Hold the intake camshaft in place and remove the mounting bolt for the intake camshaft gear with a socket wrench. Disconnect the camshaft gear from the intake camshaft. Remove the camshaft gear for the exhaust camshaft in the same manner.
Install the camshaft gear for the intake camshaft while holding the camshaft in place. Tighten the mounting bolt for the camshaft gear to 49 foot-pounds with a torque wrench. Install the camshaft gear for the exhaust camshaft in the same manner.
Replace the valve cover and its gasket with a socket wrench. Attach the camshaft position sensor and crankshaft ventilation tube to the valve cover. Connect the electrical wiring for the spark plugs and attach the engine cover.
Turn the crankshaft clockwise to align the timing marks for the crankshaft and camshafts. Place the new timing belt onto the gears.
Turn the water pump clockwise with Special Tool J-42492-A to align the adjusting arm of the timing belt tensioner with the notch on the tensioner bracket. Tighten the retaining bolts for the water pump with a socket wrench.
Turn the crankshaft two complete turns clockwise with a socket wrench, and align the timing marks for the crankshaft and camshaft again. Repeat Step 9 and tighten the retaining bolts for the water pump to 89 inch-pounds with a torque wrench.
Install the mounting bolts for the power steering pump with a socket wrench and replace the front cover for the timing belt. Attach the cable for the negative terminal of the battery.
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