Toyota 13054-62030 CAMSHAFT Sub-Assembly

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When carrying out this procedure, use two service bolts, which are usually 6 x 1.0 mm bolts but 16 to 20 mm long . First, begin disconnecting the valve cover and setting the engine at TDC position for the number one cylinder, then aligning the marks found on the camshaft drive and the driven gears to the cylinder head or the valve cover mating surface. Check the camshaft thrust clearance by using the dial indicator measure; if the reading is above the service limit remove the camshaft or cylinder head. Take off the distributor if available for use then follow by the pulling of the timing chain tensioner or idler then apply a streak of paint at the area just holding the timed chain link on the timing mark of the cam sprocket. Loosen and remove the camshaft sprocket bolt and distributor drive gear while holding the intake camshaft with a wrench, and take out the camshaft sprocket and chain away. For the exhaust camshaft, compress the spring loaded sub gear with a service bolt, hold the exhaust camshaft in wrench to remove the bolt and distributor gear, and apply equal amount of loosening on the number 1 bearing cap bolt. The same procedure needs to be performed for the intake camshaft, labeling and storing of the lifters and shims for later use. Place the exhaust camshaft in a vise, with a crow's foot wrench loosen the tension on the sub-gear apply the following steps below; remove the snap ring, wave washer, sub gear and finally the camshaft gear spring. Remove the cam shaft gear and measure the free length of the gear spring.Then check all the the lifters for wear, Look at the cam lobes and the bearing journals for signs of wear or damage. Check also the oil clearance on the shaft and the journals with the help of Plastigage and measure the diameter of them and the width of the crushed Plastigage should also be measured too. Return the caps into place and check the end-play of the camshaft gears by turning them around. For installation, use camshaft installation lube on the lifters and the camshaft lobes; place the intake camshaft with the pin in the upwards direction and put the bearing caps in their appropriate positions. Loosen the intake bearing cap bolts, and after that participate in the installation of the snap ring and exhaust camshaft sub-gear accordingly as prescribed. Match the position of the camshaft gears by managing the dots and place the exhaust camshaft in its appropriate position, place the bearing caps. Torque the exhaust bearing cap bolts to 6.4 Lft.lbs, remove the camshaft service bolt and rotate to check for smoothness. Time the camshafts perpendicular to TDC, then fit the camshaft sprocket, the camshaft chain and finally the securing bolt. If fitted, fit the distributor gear and lock the securing bolt in place. Lastly, push down the plunger of the chain tensioner and turn it clockwise to install it On installating the chain make sure the engine is set to TDC for number one cylinder and check the valve clearance and ignition timing if at all required.

When carrying out this procedure, use two service bolts, which are usually 6 x 1.0 mm bolts but 16 to 20 mm long . First, begin disconnecting the valve cover and setting the engine at TDC position for the number one cylinder, then aligning the marks found on the camshaft drive and the driven gears to the cylinder head or the valve cover mating surface. Check the camshaft thrust clearance by using the dial indicator measure; if the reading is above the service limit remove the camshaft or cylinder head. Take off the distributor if available for use then follow by the pulling of the timing chain tensioner or idler then apply a streak of paint at the area just holding the timed chain link on the timing mark of the cam sprocket. Loosen and remove the camshaft sprocket bolt and distributor drive gear while holding the intake camshaft with a wrench, and take out the camshaft sprocket and chain away. For the exhaust camshaft, compress the spring loaded sub gear with a service bolt, hold the exhaust camshaft in wrench to remove the bolt and distributor gear, and apply equal amount of loosening on the number 1 bearing cap bolt. The same procedure needs to be performed for the intake camshaft, labeling and storing of the lifters and shims for later use. Place the exhaust camshaft in a vise, with a crow's foot wrench loosen the tension on the sub-gear apply the following steps below; remove the snap ring, wave washer, sub gear and finally the camshaft gear spring. Remove the cam shaft gear and measure the free length of the gear spring.Then check all the the lifters for wear, Look at the cam lobes and the bearing journals for signs of wear or damage. Check also the oil clearance on the shaft and the journals with the help of Plastigage and measure the diameter of them and the width of the crushed Plastigage should also be measured too. Return the caps into place and check the end-play of the camshaft gears by turning them around. For installation, use camshaft installation lube on the lifters and the camshaft lobes; place the intake camshaft with the pin in the upwards direction and put the bearing caps in their appropriate positions. Loosen the intake bearing cap bolts, and after that participate in the installation of the snap ring and exhaust camshaft sub-gear accordingly as prescribed. Match the position of the camshaft gears by managing the dots and place the exhaust camshaft in its appropriate position, place the bearing caps. Torque the exhaust bearing cap bolts to 6.4 Lft.lbs, remove the camshaft service bolt and rotate to check for smoothness. Time the camshafts perpendicular to TDC, then fit the camshaft sprocket, the camshaft chain and finally the securing bolt. If fitted, fit the distributor gear and lock the securing bolt in place. Lastly, push down the plunger of the chain tensioner and turn it clockwise to install it On installating the chain make sure the engine is set to TDC for number one cylinder and check the valve clearance and ignition timing if at all required.

Secure it to the driven gear with a service bolt installed in the threaded hole. Caution: Hold the camshafts level during removal to prevent damage.

The remainder of the installation is the reverse of the removal procedure, including checking and adjusting the valve clearance and ignition timing if necessary.

1. Reassemble the exhaust camshaft gear(s) and mount the camshaft in a padded vise. 2. Insert a service bolt into the unthreaded hole of the camshaft subgear and align the holes. 3. Install a second service bolt in the threaded hole and tighten it.

Remove the camshaft housing and rear cover on the right bank camshaft by removing the retaining plate bolts.