Toyota 13080-31020 Gear Assy, Camshaft Timing Exhaust, LH

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To remove the timing belt, start by disconnecting the negative cable from the battery and removing the coolant overflow tank and windshield washer tank. If applicable, remove the front suspension upper brace from the strut towers. Then, remove the drive belts from the alternator and power steering pump. Loosen the lug nuts on the right front wheel and raise the front of the vehicle, supporting it on jackstands. Remove the right front wheel and inner fender apron. Position the number one cylinder at TDC and support the engine with a jack. Remove the engine movement control rod and its bracket, as well as the spark plugs. Remove the upper timing belt cover and check for installation marks on the timing belt. Rotate the crankshaft pulley counterclockwise 60 degrees BTDC and remove the timing belt tensioner. Relieve tension between the camshaft sprockets and remove the timing belt from the sprockets. If necessary, remove the camshaft sprockets and the upper idler pulley. Remove the crankshaft pulley bolt and remove the pulley. Remove the lower timing belt cover and slip the timing belt guide off the crankshaft. If reusing the belt, check for a mark on the belt adjacent to the drilled mark on the crankshaft sprocket. Remove the no. 1 idler pulley and plate washer using an Allen wrench. If needed, remove the crankshaft sprocket. Finally, remove the lower sprocket retainer.

First of all, on 2010 and later models, remove the engine and transaxle, it also involves the disassembly, removal, and alignment of parts such as camshaft sprockets and the timing chain cover. Also, it requires positioning of the number one piston at TDC on the compression stroke, checking timing marks, and extensive removal of parts, including the crankshaft pulley/vibration damper.

Prepare tools and disconnect the battery's negative terminal. Remove the drive belt, alternator, valve cover, ABS actuator, right front wheel, and drain the cooling system. Position the number one piston at TDC, aligning the timing marks. Remove the crankshaft pulley/vibration damper, passenger-side engine mount, drive belt tensioner, and crankshaft position sensor. Remove the oil pan, main wiring harness junction, and timing chain tensioner. Inspect all components for wear. Clean the timing chain cover and apply RTV sealant. Reset the timing chain tensioner to its "zero" position, lubricate the O-ring, and install it. Reinstall the crankshaft pulley/vibration damper and set the chain tension. Confirm TDC alignment and tighten the timing chain cover fasteners before proceeding with the reinstallation process in reverse.

Components such as the crankshaft pulley/vibration damper and timing chain cover need to be removed during the procedure.

The initial steps include removing the engine/transaxle assembly, the drivebelt, including the drive-belt tensioner and idler pulleys, and setting the engine to TDC (Top Dead Center).

The initial steps include removing the engine/transaxle assembly, the drivebelt, including the drive-belt tensioner and idler pulleys, and setting the engine to TDC (Top Dead Center).