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How to Change the Timing Chain in a 1993 Toyota Pickup

The Toyota Pickup is a series of pickup trucks that Toyota has produced since 1968. The 1993 model belongs to the fifth generation of this series, which includes the 1988 through 1998 models. The standard engine for the 1993 Toyota Pickup is the 22-RE, a four-cylinder 2.4-liter engine with a single overhead camshaft. This engine uses a timing chain to synchronize the rotations of the crankshaft and camshaft.

Instructions

1

Disconnect the cylinder head from the engine with a socket wrench. Place a drain pan under the radiator drain, and remove the drain plug. Allow the coolant to drain from the radiator and replace the plug. Disconnect the radiator.

2

Remove the front differential from the engine with a socket wrench if your vehicle has all-wheel drive. Disconnect the oil pan, and detach the power steering belt if your vehicle has power steering. Remove the belt, compressor and bracket for the air conditioner if your vehicle is so equipped. Disconnect the cooling fan and its clutch. Remove the pulley for the water pump.

3

Install a counter-holding bar to the crankshaft pulley, and remove the mounting bolt for the crankshaft pulley with a socket wrench. Pull the pulley from its shaft with a pulley extractor. Disconnect the water bypass hose from the crankcase, and remove the adjusting bar for the fan belt. Detach the outlet pipe from the heater.

4

Remove the mounting bolts for the cover of the timing chain with a socket wrench, and discard the gaskets. Detach the timing chain from the sprocket of the crankshaft.

5

Detach the splines from the oil pump drive, and remove the sprocket for the crankshaft with a socket wrench. Wipe the cylinder block clean with a shop towel.

6

Rotate the crankshaft clockwise so the key on the crankshaft points straight up. Align the groove in the crankshaft sprocket with the key on the crankshaft, and slide the sprocket onto the crankshaft. Tighten the bolt for the crankshaft sprocket with a socket wrench.

7

Position the new timing chain on the camshaft sprocket so that the link between the two bright links on the timing chain aligns with the timing mark on the camshaft sprocket. Place the timing chain within its guides on the crankcase, and rotate the camshaft counterclockwise to remove the slack from the timing chain.

8

Install the drive for the oil pump over the key on the crankshaft. key. Place new gaskets onto the dowels of the timing chain cover, and install the timing chain cover. Tighten the 8mm mounting bolts to 9 ft. lbs. with a torque wrench. Tighten the 10mm mounting bolts to 29 ft. lbs.

9

Install the remaining components by performing steps one through three in reverse order. Tighten the bolt for the crankshaft pulley to 116 ft. lbs. with a torque wrench.

Posted by Unknown at 10:15 AM

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