I am replacing the balance shaft chain and drive sprockets. How do you get the small sprockets off the balance shafts?? on a 2003 chevy cavilier 2.2 ecotec.
You need to remove the balance shafts first. Be VERY careful or you will end up breaking off the tab that the small hold down bolt goes through. You need to remove this little bolt first of course. I found that using a pry bar on the bottom of the sprocket itself seemed to work best.
Once you have the balance shaft out, clamp it in a vise using wood or something similar so that you do not damage any if the surface that rides on the bearing. Then remove the 15 mm bolt holding the gear (sprocket) on. Re-install the new gear and torque to 37 ft-lbs. The new gear is slotted so it can only go on one way. Do not mix up the intake & exhaust balance shaft gears. Good luck.
SOURCE: Front-left Outer CV Shaft Disconnected from inner-CV shaft
If memory serves me right the axel is bolted to a plate on the front differenchel and a large nut on the end that goes thru the hub bearing, if you take the whole shaft out( both ends) i see no problem running it temporary without it.
SOURCE: timing marks on 1999 chevy cavilier 2.2.I'm
The Cam Gear has a hole it it. That what GM uses for a mark.. Gotta love them young engineers at GM for improving an age old way of just putting a diamond mark on tooth instead. LOL
To install:
Fig. Correct sprocket alignment for the left secondary timing chain-3.5L engine
Fig. Correct sprocket alignment for the right secondary timing chain-3.5L engine
Install a retaining clip on the tensioner to hold plunger IN during installation.
marking timing chain
Position the crankshaft using the special tool. Then remove the tool.
Crankshaft special tool positioning
Install the crankshaft sprocket with flange facing forward.
Crankshaft sprocket timing mark
Position the left timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
Left camshaft sprocket timing mark
Position lower end of right (outer) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley.
Right camshaft sprocket timing mark
Align the chalk mark on the balance shaft with the camshaft timing mark.
Balance shaft bearing caps
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