Tuesday, December 10, 2013
Do It Yourself Timing Belt Changes for a 2005 Toyota Sienna
The Toyota Sienna is a family minivan that has been in production since 1997, and the second generation of this vehicle includes the 2004 through the 2010 model years. The only engine available for the 2005 Toyota Sienna is the 3MZ-FE model, which has a double overhead camshaft. The majority of the timing belt installation for this vehicle deals with keeping the crankshaft and camshafts in the proper position during the procedure.
Instructions
- 1
Remove the negative battery cable with a socket wrench. Disconnect both windshield wiper assemblies and the panel cover for the front cowl. Remove the hose to the windshield washer reservoir and both cowl top ventilator louvers. Detach the electrical connector for the windshield wiper motor. Remove the outer front cowl panel.
2Raise the vehicle and support it on jack stands. Remove the right front wheel with a lug wrench. Disconnect the pivot bolt, adjusting lock bolt and and adjusting bolt on the accessory drive with a socket wrench, and remove the accessory drive belt. Unplug the electrical connector for the alternator and disconnect the alternator.
3Loosen the adjusting bolt for the power steering pump and detach the drive belt. Disconnect the hose for the coolant reservoir. Remove the engines right mounting stay and moving control rod. with a socket wrench. Disconnect the No. 2 mounting bracket on the right side of the engine.
4Disconnect the crankshaft pulley bolt with pulley holding tool 09213-54015, companion flange holding tool 09330-00021 and bolt tool 91651-60855. Detach the crankshaft pulley from the crankshaft with puller set 09950-50011.
5Remove the lower timing belt cover and disconnect the timing belt guide from the crankshaft with a socket wrench. Remove the wire protector clamps from the upper cover of the timing belt, and disconnect the upper cover. Remove the right engine mounting brace.
6Replace the crankshaft pulley bolt, and rotate the crankshaft clockwise to align the timing marks. The notch on the oil pump must align with the dimple on the crankshaft sprocket. The timing marks on the camshaft sprockets must also align with the marks on the rear timing belt cover.
7Disconnect the timing belt tensioner and timing belt with a socket wrench. Turn the crankshaft clockwise to realign the timing marks if necessary. Install the new timing belt to the crankshaft sprocket and proceed with the installation in a counterclockwise direction. Place the timing belt on the water pump pulley, left camshaft sprocket, No. 2 idler pulley, right camshaft sprocket and No. 1 idler pulley.
8Depress the pushrod for the timing belt tensioner into its housing with tool 981-9807 and secure it in place with a 1.27mm Allen wrench. Connect the timing belt tensioner and torque its mounting bolts to 20 foot pounds with a torque wrench. Pull the Allen wrench from the timing belt tensioner housing to release the tensioner.
9Rotate the crankshaft clockwise two full turns to align the timing marks again, and disconnect the crankshaft pulley bolt. Fasten the engines right mounting bracket with a socket wrench and torque the mounting bolts to 21 foot pounds with a torque wrench.
10Connect the upper cover for the timing belt with a socket wrench. Install the timing belt guide to the crankshaft so that the cup side faces outward, and replace the lower timing belt cover.
11Connect the crankshaft pulley with pulley holding tool 09213-54015, companion flange holding tool 09330-00021 and bolt tool 91651-60855. Tighten the crankshaft pulley bolt to 159 foot pounds with a torque wrench. Install the remaining components by performing steps one through three in reverse order.
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