Harmonic balancer/damper - How to remove and install
(Heated metal wants to expand in all directions, but that does not mean that metal with a hole in it will grow to a smaller diameter. Donuts are not thermally expanding. The same equation that is used for OD expansion is used for the ID.) |
(→Crank bolt removal) |
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==Crank bolt removal== | ==Crank bolt removal== | ||
| − | Many engines use a bolt to hold the damper on. In some cases like the | + | Many engines use a bolt to hold the damper on. In some cases like the Le Baron V6, the bolt torque is significant- 360 ft/lb. This means removing it with the engine in the vehicle can be difficult. On some engines just the engine compression and the friction from the belt-driven accessories will allow the bolt to be removed. |
An impact wrench will almost always remove the crank bolt without needing to hold the engine from turning. But the room between the bolt and radiator seldom allows an impact wrench to be used. If you have a helper, they can use a lever to hold the flex/flywheel from turning. You can also run a pry bar or other similar prying tool through the puller bolts and wedge this tool against the vehicle frame, firewall, or ground to keep the crank from turning. | An impact wrench will almost always remove the crank bolt without needing to hold the engine from turning. But the room between the bolt and radiator seldom allows an impact wrench to be used. If you have a helper, they can use a lever to hold the flex/flywheel from turning. You can also run a pry bar or other similar prying tool through the puller bolts and wedge this tool against the vehicle frame, firewall, or ground to keep the crank from turning. | ||
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