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0506htp Fresh 13 Z

They disconnect the coolant temp sensor on the water pump, then loosen the coolant petcock to drain the coolant. An LT1 shortcoming is the lack of a crank key. Many LT1 balancers aren't weighted but some are (see the 2 o'clock position in photo). Either way, we prefer to reinstall the exact way it came off, for safety's sake. Note the arrow on your balancer--if you pull the #1 spark plug and bring the motor to TDC, the arrow should be pointing straight up. You can do this now and make a mark, or perform the TDC procedure when it's time to reinstall.
LT1 - High Mileage - Old School

 They disconnect the coolant temp sensor on the water pump, then loosen the coolant petcock to drain the coolant. An LT1 shortcoming is the lack of a crank key. Many LT1 balancers aren't weighted but some are (see the 2 o'clock position in photo). Either way, we prefer to reinstall the exact way it came off, for safety's sake. Note the arrow on your balancer--if you pull the #1 spark plug and bring the motor to TDC, the arrow should be pointing straight up. You can do this now and make a mark, or perform the TDC procedure when it's time to reinstall.  View Related Article

 

 

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