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 big of a torque wrench do I need to back up a cam Hex?
Check to see that the sprockets are fully seated against the cams before torquing the bolt tight. Always use a 24 m.m. or 15/16” wrench on the cam hex to back up your torque wrench (never use the chain for resistance)! Torque the cam sprocket bolts to 94 to 115 ft-lb.
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.
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.
Check to see that the sprockets are fully seated against the cams before torquing the bolt tight. Always use a 24 m.m. or 15/16” wrench on the cam hex to back up your torque wrench (never use the chain for resistance)! Torque the cam sprocket bolts to 94 to 115 ft-lb.
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.
Where can I find the latest torque specs?
Find the most up-to-date torque spec listings in electronic format. FelPro-Only.com is your convenient source for advanced sealing information. It’s the place to learn and share “tricks of the trade,” find proper diagnosis and installation instructions, and enjoy easy access to parts reference.
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.
Which is the intake cam on a Nissan QR25DE?
The intake cam is the cam that has the dowel pin closest to the #1 lobe (see diagram). The cams should be laying in exactly the same rotational position as the ones you removed (see diagram). 10.Reinstall all of the bearing caps in the marked order and direction except the front cap.
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.
The intake cam is the cam that has the dowel pin closest to the #1 lobe (see diagram). The cams should be laying in exactly the same rotational position as the ones you removed (see diagram). 10.Reinstall all of the bearing caps in the marked order and direction except the front cap.
Why does my Nissan Pathfinder make a whining noise?
IF YOU CONFIRM: There is a high frequency buzzing / whining noise coming from the secondary timing chain system. • The noise should increase in frequency with engine speed (RPM). • If the noise does not increase with engine speed, the timing chain system may not be the cause.