What size nut is on the harmonic balancer?
There’s 4 10mm bolts holding the harmonic balancer and a 30mm holding the center nut of the harmonic balancer.
What size is the crank bolt on a big block Chevy?
The crank bolts for a Chevy 350 engine will be 5/8 inches in length.
What size is the crank bolt on a Chevy 350?
The bolt size on the 350 harmonic balancer bolt is a 5/8 in. A 5/8 deep well socket and small extension should work for you. Be careful, if you get carried away, you can sheer off the bolt. It can be hard to get the remainder out of the crank (yes, this is experience speaking ).
How do you turn a motor by hand?
The most precise way to rotate the engine over by hand is to place a large socket on the front crankshaft bolt, attach a long ratchet wrench, and rotate the crank. The longer the wrench handle the more precise the movement.
How do you Unseize an engine?
If you have an engine that seized from sitting for a long time, pull the spark plugs out of all the cylinders. Fill the cylinders with engine oil and let it sit for a few days. Then, try turning the engine over with a breaker bar. If it moves, you may be able to salvage the engine.
Should you be able to turn the crankshaft pulley by hand?
That you cannot rotate either cam or crankshaft pulleys by hand is completely normal. If you were able to rotate them bare handed, THEN you would have a problem.
What happens if I turn my crankshaft counterclockwise?
Even if the belt does slip it will do no permanent damage, but you would have to resinstall the timing belt as per the garage instructions. If you turned the crank bolt counterclockwise you might have loosened the bolt some. You should probably retorqe the bolt.
Do all engines turn clockwise?
Most automobile engines rotate clockwise looking at the front of the engine. The front of the engine is the end that you can usually see if it isn’t all covered up with shrouds and guards, where all the belts and pulleys are.
Which engines turn counter-clockwise?
The port or right-hand engine will normally rotate in a left-hand, counterclockwise direction, denoting it as the standard rotation engine. The starboard engine will rotate in the opposite direction to offset and neutralize the torque of both propellers.