What kind of engine does the Nissan Z20S have?
It replaced the Nissan L20B while using many of the same components. The Nissan Z20S engine features a cast-iron block and aluminum alloy cylinder head with two ignition plugs per cylinder, but for some commercial vehicles, a single-spark plug head was used.
What should torque be on a cam sprocket?
Torque the cam sprocket bolts to 94 to 115 ft-lb. Check that your original chain marks still align with the marks on the sprockets and the lobes still point away from the center of the engine. Remove the tensioner locking wire you in- stalled. Inspect your work carefully.
How do you install a camshaft on a Nissan QR25DE?
Attach the sprockets to the new cams and screw the bolts in by hand. If you have positioned the cams correctly, only a slight rotation of the cams will be needed to engage the dowels and sprockets. Check to see that the sprockets are fully seated against the cams before torquing the bolt tight.
How to set the timing chain on a Z20 engine?
Z20, Z22, Z24 and Z24i engines do not use the pin counting method for finding correct valve timing. Instead, set the timing chain by aligning its mating marks with those of the crankshaft sprocket and camshaft sprocket. The camshaft sprocket should be installed by fitting the knock pin of the camshaft into its No. 2 hole.
Torque the cam sprocket bolts to 94 to 115 ft-lb. Check that your original chain marks still align with the marks on the sprockets and the lobes still point away from the center of the engine. Remove the tensioner locking wire you in- stalled. Inspect your work carefully.
How do you remove cam sprockets on a Nissan QR25DE?
Before removing the cam sprockets, the sprocket bolts must be loosened. Using a 17 M.M. socket on the bolts and a 24 M.M. open end wrench on the cam hex (behind the front lobes), break loose, but don’t remove the bolts. Never use the chain to hold the gears while breaking the bolts loose! 5.
How to install a new camshaft on a camshaft?
CAMSHAFT INSTALL KA24DE INSTRUCTIONS 1. It is highly recommended that an oil and filter change be done before installing new cams. 2. Remove the plug wires, and valve cover from the en- gine. Use caution not to drop anything into the engine. 3.